2003, Volume: 9, Number: 4
Contents
YÜKSEL, M., O. DENGİZ, N. ÖZDOĞAN and C. GÖL, Land Use Potential of Bayanpınar Village of Kızılırmak District in Çankırı Abstract
APAYDIN, H. and F. ÖZTÜRK, Application of Runoff and Sediment Yield Models by Geographic Information System Abstract
KAYABAŞI, N. and F. N. ÖLMEZ, A Research on the Colors Obtained from Chamomile (Matricaria chamomile L.) and Their Fastness Values Abstract
KIZIL, S and N. ARSLAN, Investigation of the Effects on Yield and Yield Components of Different Sowing Rates in Some Fenugreek (Trigonella foenum-graecum L.) Lines Abstract
CANGİ, R. C. TARAKÇIOĞLU and S. R. YALÇIN, Effects of K2SO4 ve K-Humat Fertilizer Aplications on Yield and Fruit Characteristics in Hayward (Actinidia deliciosa) Kiwifruits Abstract
ÇELİK, N. and S. PULATSÜ, Seasonal Changes of Nitrogen Fractions, Total Iron and Silica Concentrations in Upper Part of Sakarya River Abstract
DURSUN, E. and M. GÜNER, Determination of Mechanical Behaviour of Wheat and Barley Under Compression Loading Abstract
KODAL, S., Y. E. YILDIRIM and F. K. SÖNMEZ, Spatial Distribution of Dependable Rainfall in Turkey Abstract
GÜNEŞ, A., H. ÇELİK, M. ALPASLAN, G. SÖYLEMEZOĞLU and F. ERASLAN, Comparason of Boron, Sodium and Chloride Absorbtion of Grapevines as a Measure of Boron Toxicity and Salinity Tolerance Abstract

KARADAĞ, Y. and U. BÜYÜKBURÇ, Researches on Spring Sowing Date of Phacelia (Phacelia tanacetifolia Bentham) Under Tokat Conditions, I. Forage Yield Characteristics Abstract

AKSOY, A. and A. YILMAZ, Metabolizable Energy Values and Dry Matter and Organic Matter Digestibilities of Some Alfalfa Varieties Abstract
ÇÖÇÜ, S., S. URANBEY and C. SANCAK, Adventitious Shoot Regeneration from Immature Embryo Explants of Some Common Vetch (Vicia sativa L.) Cultivars Abstract
SAVRAN, F. Comparisons Between Member Enterprises of Çanakkale Holstien-Frisen Assosiciation Non-members Concerning Production Technics Used and Social Characteristics Abstract
ÖZ, A. and H. KAPAR, Stability Analysis and Determination of Yield Components of Candidate Corn Varieties Improved in Samsun Conditions Abstract
DEMİRCİ, F. Determination of the Reactions of Some Wheat Cultivars Against Root and Crown Rot Diseases Caused by Fusarium spp. and Bipolaris sorokiniana Abstract
ÖZKAN, U. and A. ERKUŞ, Economic Analysis of Cattle Fattening Farms in Bayburt Province Abstract
KAYIŞOĞLU, B. Y. BAYHAN and F. TORUK, Effects of Seed Bed Preparation Methods on Sowing Uniformity and Plant Growth in Sunflower Farming Abstract
TORUK, F. P. ÜLGER and H. KOCABIYIK, Plant Juice Extractions from Alfalfa and Sugar Beet Leaves by Mechanical Systems Abstract
YÜREKLİ, K. F. ÖZTÜRK and M. BALÇIN, Determination of Variation in Soil Water Storage Capacity on Watersheds Abstract
KARAKAYA, A. and C. S. SEVİMAY, Susceptibility of Vicia sativa Cultivars to an Oncogenic Strain of Agrobacterium tumefaciens Abstract
Abstracts
 

2003, 9 (4) 373-380
Land Use Potential of Bayanpınar Village of Kızılırmak District in Çankırı
(Turkish)

Mahmut YÜKSEL1, Orhan DENGİZ1, Nazik ÖZDOĞAN1 and Ceyhun GÖL2
1 Ankara University, Department of Soil Science-Ankara

2 Ankara University, Çankırı Forestry Faculty -Çankırı


Land evaluation and land use planning have great importance on the use of land resources based on their potential. The aim of this research was to determine a land use potential of Bayanpınar Village of Kızılırmak District in Çankırı. Initally, land mapping units, land characteristics and qualities were described from 1:25.000 base soil map of the study area. After words, Land use types to be considered and land requirement of land use types were determined. After words land characteristics and land qualities of land mapping units were compared with the land requirements of the land use types. The result of the matching process combined with those of assessment, environmental impact, economic and social analysis, produced a classification, showed the suitability of each land mapping unit for each relevant land use type. Finally, potential land use map was prepared. According to results, it was found that the largest soil series of study area is Çorakdere ( 32.5%) that has salinity and drainage problems and following it Pekmezci, Aliosmanagili and Kizilarkac Series are 21.2 %, 18.5 % and 12.7 % respectively. In addition that, while 51 percentage of study area is not suitable for agricultural land the amount of arable land is % 49 (3245.4 da).

Key Words: land evaluation, land use type, land characteristics and land qualities, land suitability classification

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2003, 9 (4) 381-389
Application of Runoff and Sediment Yield Models by Geographic Information System
(Turkish)

Halit APAYDIN and Fazlı ÖZTÜRK
Ankara University, Department of Farm Structures and Irrigation-Ankara

In this study, commonly used rainfall - runoff - erosion models which AGNPS, SWRRB and GLEAMS were examined by means of GIS. Efficacy of GIS and validation of these models were also considered. Beside determination of watershed area and subbasin boundaries, also contributing cell, subbasin which cell include, cell area, average elevation, slope, aspect, topographic factor, flow length, flow slope, concentrated slope and concentrated length was determined by GIS in Ankara - Yenimahalle - Güvenç watershed. The predictions of models were compared with measured data between 1989 and 1997, after 464.4 mm annual rainfall, 100.0 mm flow and 29.6 mm runoff was occurred, but SWRRB 39.8 mm flow, AGNPS 48.5 mm and GLEAMS 34.5 mm runoff modelled. Although annual average sediment yield of watershed was calculated as 3.6 t/ha, AGNPS modelled as 19.9 t/ha, (min. 5.5, max. 33.0 t/ha), SWRRB 19.8 t/ha (min. 0.1, max. 63.9 t/ha) and GLEAMS 1.3 t/ha (min. 0.2, max. 2.2 t/ha).

Key Words: runoff, erosion, sediment, AGNPS, SWRRB, GLEAMS, GIS, Güvenç Watershed

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2003, 9 (4) 390-394
A Research on the Colors Obtained from Chamomile (Matricaria chamomile L.) and Their Fastness Values
(Turkish)

Nuran KAYABAŞI1 and Filiz Nurhan ÖLMEZ2
1 Ankara University, College of Home Economics-Ankara
2 Süleyman Demirel University, Fine Arts Faculty Traditional Handicrafts Department-Isparta

Chamomiles are plants of the class Synandrae (Campanulatae), the family Compositae and the genus Anthemis or Matricaria. The aim of this research is to determine colors obtained from chamomile with different mordants and mordant mixtures and without mordant to determine these colors' fastness values such as light, friction and wet and dry water drop fastness, and to form a color catalogue. Firstly, 16 dyeings were done using chamomile at a rate of 100%, with mordants indicated in "Materials" chapter at a rate of 3% according to wool weight and without mordant. As a result of these dyeing processes, it was determined that ferro sulfate mordant gave the best color. Therefore by mixing ferro sulfate mordant with the other mordants at the same ratio (1.5 % forro sulfate +1.5 % other mordant, a total of 3 %) 14 dyeings were done. Thus, it was determined that fastness values of colors are increased and different color tones were found. In this research a catalogue was formed by colors obtained from chamomile with a total of 30 dyeings. The light fastness values of the colors obtained from chamomile were generally between 1 and 6. When mordants were used alone, light fastness values were at low levels. When mordants were used in mixture they were at the best level. The friction fastness values of the colors obtained from chamomile were generally between 1-2 and 4-5. These values were good or middle. The water drop wet fastness values of the colors obtained from chamomile were generally between 3 and 5. The water drop dry fastness values of the colors were generally 5. These values were good.

Key Words: chamomile, matricaria, vegetable dyeing, wool carpet yarn

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2003, 9 (4) 395-401
Investigation of the Effects on Yield and Yield Components of Different Sowing Rates in Some Fenugreek (Trigonella foenum-graecum L.) Lines
(Turkish)

Süleyman KIZIL1 and Neşet ARSLAN2
Dicle University, Department of Agronomy -Diyarbakır
2 Ankara University, Department of Agronomy -Ankara


This research was conducted to determine the effects of different sowing rates (2 kg/da, 3 kg/da, 4 kg/da, 5 kg/da) on yield and yield components of eight fenugreek lines (line 1, line 3, line 18, line 23, line 29, line 33, line 34 and control line) at Diyarbakır ecological conditions in 1999-2000 and 2000-20001 growing seasons. In the research plant height, number of branches per plant, number of pods per plant, pod length, number of seeds per pod, 1000 seeds weight and seed yield were investigated. According to results obtained from this research; among sowing rates plant height varied between 49.49-50.31 cm, first pod height between 16.29-19.14 cm, number of branches per plant between 3.29-4.19 pieces/plant, 1000 seed weight between 16.89-17.25 g and seed yield between 137.7-185.9 kg/da. Among lines plant height varied between 47.23-53.08 cm, first pod height between 16.54-19.31 cm, number of branches per plant between 3.60-3.98 pieces/plant, 1000 seed weight between 15.65-18.80 g and seed yield between 147.6-180.5 kg/da.

Keywords: fenugreek, Trigonella foenum-graecum, sowing rate, yield

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2003, 9 (4) 402-407
Effect of K2SO4 ve K-Humat Fertilizer Aplications on Yield and Fruit Characteristics in Hayward (Actinidia deliciosa) Kiwifruits
(Turkish)

Rüstem CANGİ1, Ceyhan TARAKÇIOĞLU2 and S. Rıfat YALÇIN3
Blacksea Technical University, Ordu Department of Horticulture-Ordu
2 Blacksea Technical University, Ordu Department of Soil Science-Ordu
3 Ankara University, Department of Soil Science-Ankara


This research was carried out on Hayward kiwifruit cultivar (A. deliciosa) in Ordu ecology. Potassium sulphate fertilizer at five different application rates (0, 200, 400, 600, 800 g / vine) were given at six years old vines. Potassium humat fertilizer at five different application rates (0, 20, 30, 40, 50 ml / vine) were given at five years old old vines. In this study, it was researched that the effects of K2SO4 and K-Humat on yield (kg/vine), mean fruit weight(g) , soluble solid content (SSC, %) and N, P, K content in leaves of Hayward kiwifruit vines. The treatments of K2SO4 were significant in yield and SSC, but K-Humat treatments were not significant for values, statistically. Mean fruit weight (MFW) was not significantly affected by fertilizer applications, although MFW was slightly greater with K2SO4 and K-Humat applications. In the result of leaf analysis, K2SO4 and K-Humat levels effected for K contents of leaves, statistically. P concentration in kiwifruit leaves for two years were adequately for two years, but N and K were adequately in the first year. At the end of this study, it is recommended that 400-500 g K2SO4 per vine for better yield and fruit characteristics at soil condition similar to this experiment vineyard. K-Humat applications was not recommended for kiwifruits, because results were not satisfactory.

Key Words: kiwifruit, Hayward, Actinidia deliciosa, K2SO4 , fertilizer, humic acid, macro nutrient in leaves

 

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2003, 9 (4) 408-414
Seasonal Changes of Nitrogen Fractions, Total Iron and Silica Concentrations in Upper Part of Sakarya River
(Turkish)

Nermin ÇELİK and Serap PULATSÜ
Ankara University, Department of Fisheries and Aquaculture-Ankara


This research was conducted to determine the seasonal changes of nitrogen fractions, total iron and silica concentrations and some water quality parameters (water temperature, dissolved oxygen, pH) of the Upper Part of Sakarya River. Water samples were taken from three stations in June, August, October, November 2000 and in January, February, April, May 2001. The variations of these parameters were investigated with respect to months and stations. The lowest ammonia-nitrogen (NH3-N) and nitrite-nitrogen (NO2-N) values were assessed in october (0,09±0,00 mg/L) and february (0,002±0,00 mg/L) while mean highest values of NH3-N and NO2-N were determined in may (0,47±0,01 mg/L) and january (0,035±0,00 mg/L), respectively. The lowest mean values of nitrate-nitrogen (NO3-N) and dissolved nitrate-nitrogen were found in february (0,36±0,00 mg/L) and april (0,34±0,01 mg/L), respectively. The highest mean values of NO3-N and dissolved nitrate-nitrogen were determined as 3,73±0,00 mg/L and 3,30±0,01 mg/L, respectively in may. Total iron concentrations range between 0,02-0,05 mg/L during the study period. Silica (10,94±0,06 mg/L) and dissolved silica (8,57±0,01 mg/L) concentrations were highest in february. During this research although in some months dissolved oxgen (7,10-8,95 mg/L) and NO2-N (0,002-0,035 mg/L) concentrations were found different than those parameters of indicating the first class for water quality criteria, , pH (7,09-7,81) and NO3-N (0,36-3,73 mg/L) values were measured within the acceptable limits for the first water quality class in determined stations.

Key Words : nitrogen fractions, total iron, silica, The Upper Part of Sakarya River, seasonal changes, water quality

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2003, 9 (4) 415-420
Determination of Mechanical Behaviour of Wheat and Barley Under Compression Loading
(Turkish)

Ergin DURSUN and Metin GÜNER
Ankara University, Department of Agricultural Machinery-Ankara


İn this study, mechanical behaviour of five different wheat varieties (kunduru 1149, topbaş, bezostaja, gerek 79 ve tosun 21) and barley (tokak 157/37) were determined under compression loading between two parallel plates. The tests were made at deformation rate of 40.2 mm/min, two loading axis, and three moisture contents. Rupture force decreased as wheat and barley moisture content increased while rupture energy increased. Rupture forces of wheat (except topbaş variety) and barley loaded in the x-x axis were higher than those in the y-y axis. Moreover, rupture energies of kunduru 1149, bezostaja, and gerek 79 wheat varieties and barley loaded in the x-x axis were f higher than y-y axis. Whereas, rupture energies of topbaş and tosun 21 wheat varieties in y-y axis were higher than those in the x-x axis.

Key Words: wheat, barley, mechanical behaviour, rupture force, rupture energy

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2003, 9 (4) 421-427
Spatial Distribution of Dependable Rainfall in Turkey
(Turkish)

Süleyman KODAL, Y. Ersoy YILDIRIM and F. Kemal SÖNMEZ
Ankara University, Department of Farm Structures and Irrigation-Ankara


The amount of rainfall used in determining irrigation water requirements is changed in important levels year by year. The dependable rainfall values for wet, normal and dry season are determined by rainfall analyses. The aim of the study is determination of spatial distribution of dependable rainfall values for wet, normal and dry years overall Turkey. The dependable rainfall values for wet, normal and dry decade seasons for 912 rainfall stations values are spread overall Turkey by means of geographic information systems. The spatial rainfall distribution maps for the April, July and August are showed that there are differences in rainfall between the regions.

Key Words: Turkey, dependable rainfall, dry season, wet season, geographic information system

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2003, 9 (4) 428-434
Comparison of Boron, Sodium and Chloride Absorbtion of Grapevines as a Measure of Boron Toxicity and Salinity Tolerance
(Turkish)

Aydın GÜNEŞ1, Hasan ÇELİK2, Mehmet ALPASLAN1, Gökhan SÖYLEMEZOĞLU2, Figen ERASLAN1,
Zeliha YAŞA2 and Özlem KOÇ1
1 Ankara University, Department of Soil Science-Ankara
2 Ankara University, Department of Horticulture-Ankara

In this study, salinity tolerances of nine grapevine rootstocks (Rup.du Lot, 5BB, 5C, 1103P, 110R, 16-13C, 16-16C, 161-49C, Harmony), and three cultivars grafted on different rootstocks (Yuvarlak Çekirdeksiz on 1103P, 5BB, 140 Ru, 16-13 C; Kalecik Karası on 1103 P, 5BB, 41B; and Cabernet Sauvignon on 5BB, 41B) were screened under greenhouse conditions with two experiments by determining their B, Na and Cl concentrations in the leaves as a measure of boron and salt tolerance. Grapevine rootstocks were screened with 0 and 30 mg kg-1 B (H3BO3) treatments and in the second experiment, effects of rootstocks on B uptake of the cultivars were compared with 0 and 40 mg kg-1 B (H3BO3) treatments. Boron uptake levels of the rootstocks and cultivars grafted on different rootstocks showed marked differences. Among rootstocks, boron uptake of 161-49 C and 5C were found to be lower than the others. For cultivars, boron uptake of YÇ on 1103 P and 5 BB; KK on 41 B and CS on 1103 P were also lower, indicating the higher tolerance to Boron toxicity. The effects of NaCl treatments on Na and Cl uptakes of rootstocks (0,30 mM) and cultivars (0,40 mM) grafted on different rootstocks were compared. Na ve Cl concentrations of rootstocks and cultivars grafted on different rootstocks showed marked differences, and 16-13 C, 16-16 C, Harmony, 5BB and 161-49 C rootstocks and Kalecik Karası grape cv. were found to be more sensitive than other genotypes, considering their Cl concentrations in the leaves.

Key Words: grapevine, salinity, boron, sodium, chloride, tolerance

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2003, 9 (4) 435-439
Researches on Spring Sowing Date of Phacelia (Phacelia tanacetifolia Bentham) Under Tokat Conditions

I- Forage Yield Characteristics (Turkish)

Yaşar KARADAĞ1 and Uğur BÜYÜKBURÇ2
1 Gaziosmanpaşa University, Department of Agronomy- Tokat
2 Harran University, Department of Agronomy-Şanlıurfa


This study was conducted to determine the effect of different sowing dates on the forage yield of Phacelia grown as spring crop in the experimental field of the Agricultural Faculty of Gaziosmanpaşa University in the 2001-2002 growing seasons. This experiment was arranged in a randomized complete block design with three replications. Four different sowing dates were used starting from 5 March and 15 days intervals. It was found that there were statistically significant differences between sowing dates in terms of the beginning of flowering period, number of brunch per plant, plant height, forage yield, hay yield and dry matter ratio. According to two year results, beginnings of flowering period were between 49 and 68 date, numbers of brunch per plant differed from 5.1-13.2, plant heights varied from 38.7-54.5 cm, forage yields were between 331.5 and 837.2 kg/da and hay yields differed from 54.5 to 220.7 kg/da. The highest number of brunch per plant, plant height, forage yield and hay yield were determined at 5 March sowings.

Key Words: phacelia, sowing date, flowering, hay yield.

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2003, 9 (4) 440-444
Metabolizable Energy Values and Dry Matter and Organic Matter Digestibilities of Some Alfalfa Varieties
(Turkish)

Ayşe AKSOY and Aydan YILMAZ
Ankara University, Department of Animal Science-Ankara


The purpose of this research is to determine of dry matter(DM) and organic matter(OM) digestibility and the metabolizable energy(ME) values of 8 alfalfa varieties(first and second cut) by using in vitro cellulase method. Alfalfa samples were incubated 24 hours by cellulase enzyme obtained from Trichoderma viride microorganism. In conclusion, the differences in the digestibility of DM and OM and ME values among varieties and harvesting times were found statistically significant (p<0.05). The parameters evaluated showed that the differences among Kayseri, Peru, Mirol, Fortress and Bitlis varieties were found statistically significant (p>0.05). When these varieties compared with Elçi and Mesa Sirsa varietes, the differences between them were found statistically significant (p<0.05).

Key Words: alfalfa varieties, cellulase method, organic matter digestibiliy, dry matter digestibility, metabolisable energy

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2003, 9 (4) 445-449
Adventitious Shoot Regeneration from Immature Embryo Explants of Some Common Vetch (Vicia sativa L.) Cultivars
(Turkish)

Satı ÇÖÇÜ, Serkan URANBEY and Cengiz SANCAK
Ankara University, Department of Agronomy-Ankara


Immature embryo axes and immature cotyledons of eight vetch cultivars were cultured on MS medium containing various combinations of growth regulators for adventitious shoot regeneration. The highest frequency of immature embryo axes producing adventitious shoots (95%) was obtained from Kubilay cultivar on a medium containing 4 mg/l 6-benzylaminopurine (BAP) and 0.25 mg/l ?-naphtaleneacetic acid (NAA); whereas, the highest number of shoots per embryo axis explants (9.47) was achieved from Sarıelçi cultivar on a media supplemented with 2 mg/l BAP and 0.25 mg/l NAA. Immature cotyledon explants did not resulted in shoot regeneration. Regenerated shoots (1-2 cm) were excised and rooted in MS medium containing 2.5 mg/l indole-butyric acid (IBA). Rooted plantlets were finally transferred to compost.

Key Words: vetch, tissue culture, adventitious shoot regeneration, immature embryo

 

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2003, 9 (4) 450-453
Comparisons Between Member Enterprises of Çanakkale Holstien- Frisen Assosiciation Non-members Concerning Production Technics Used and Social Characteristics
(Turkish)

Ferhan SAVRAN
Çanakkale Eighteen March University, Department of Agricultural Economics-Çanakkale

In this research survey was made with 90 enterprises at four areas in Çanakkale in order to compare the non-member and member enterprises that are member of Holstein Friesen Association. Enterprises were selected using random sample. No significant difference were found between the two groups in social aspect. Statistical difference were found when evaluated in the technical way such as; application of insemination types in the enterprises, the person or the organisations that have a role in decision of artificial insemination and the marketing process of the animal products.

Key Words: milking cow, production technics, social characteristics

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2003, 9 (4) 454-459
Stability Analysis and Determination of Yield Components of Candidate Corn Varieties Improved in Samsun Conditions
(Turkish)

Ahmet ÖZ and Halil KAPAR
Blacksea Agricultural Research Institute-Samsun


The objective of this research was to determine adaptation and stability parameters of yield and yield components in maize cultivars and candidate hybrids which were developed at the Blacksea Agricultural Research Institute. Candidate varieties obtained by CIMMYT inbred lines and check varietes (TTM.813 and TTM.8119) compromised of the material in this study. Experiments were conducted in randomized block design with 4 replicates and the years of 1998, 1999 and 2000 at the Blacksea Agricultural Research Institute in Samsun. Tasselling period, plant height, first ear height, moisture content, ratio between kernel and ear and grain yield were recorded in this research. All traits were significantly different among released hybrids and cultivars Grain yield were changed from 883 to 1212 kg da-1 and a new hybrid TTM.97-30 gave the highest yield (1212 kg da-1). For flowering, another new hybrid hybrid TTM.97-19 had the earliest flowering date. Mean value (x), regression coefficient (b), deviation from regression (S2d) and coefficient of determination (r2) were used to determine stability of candidate varieties and cultivars. According to results, the yields of genotypes, TTM.97-15, TTM.97-30 and TTM.8119 were more adaptable and stable than the other genotypes. Stability and adaptability of genotypes as regards of other yield components were different than each others.

Key Words: hybrid maize, yield, yield components, stability parameters

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2003, 9 (4) 460-466
Determinaton of the Reactions of Some Wheat Cultivars Against Root and Crown Rot Diseases Caused by Fusarium spp. and Bipolaris sorokiniana
(Turkish)

Fikret DEMİRCİ
Ankara University, Department of Plant Protection-Ankara


In this study, the effects on emergence rate, and the disease severity of some root and stem end rot diseases caused by Fusarium graminearum, F. culmorum and Bipolaris sorokiniana on 10 wheat cultivars, some of them newly generated, were investigated It has been determined that, Bezostaja 1 and Gün 91 were middling resistant to F. culmorum, and Bezostaja 1, Kutluk 94, Kırgız 95, Gün 91 and Dağdaş 94 were also middling resistant to B. sorokiniana. F. graminearum had very high disease severity on all cultivars only Mızrak was the middling susceptible cultivar with a little difference

Key Words: wheat, root and crown rot, varietal reactions

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2003, 9 (4) 467-472
Economic Analysis of Cattle Fattening Farms ın Bayburt Province
(Turkish)

Umut ÖZKAN and Ahmet ERKUŞ
Ankara University, Department of Agricultural Economics-Ankara


The aim of this study, is to determine the economic structure and annual results of cattle fattening farms in Bayburt Province. The data used were collected from 40 cattle fattening farms using stratified random sampling method and these farms were classified into two size groups as 10-25 and 26-+ heads. The data belong to 2000-2001 production period. According to the research results; the average of farms, %60,1 of their gross product values are made up from cattle fattening. Net return and farm income per head were calculated on 26-+ heads group more than 10-25 heads gruop. Economical profitability ratio was calculated as 0,36% and 2,33% by the farm size gruops respectively. The average age of the bull calves at the beginning of fattening period is 1-1,5 years. The average duration of fattening period is 176 days and this period, the average live weight gain is 185 kilograms and average daily live weight gain is 1,051 kilograms. In addition to 6,9 Kg forages, 6,1 Kg of concentrates were fed for one kilogram of live weight gain on these farms. The average labour requirement is 46 hours per head. Production costs of one kilogram of live weight gain was determined as 2.456.000 liras on 10-25 heads group as an average. This value is 1.991.000 liras on 26-+ heads group and as the farms size increases, the production costs per head tended to decrease.

Key Words: agriculture of Bayburt, cattle fattening, gross product value, profitability, costs of fattening, live weight cost

 

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2003, 9 (4) 473-477
Effects of Seed Bed Preparation Methods on Sowing Uniformity and Plant Growth in Sunflower Farming
(Turkish)

Birol KAYIŞOĞLU, Yılmaz BAYHAN and Fulya TORUK
Trakya University, Department of Agricultural Machinery-Tekirdağ


In this research the effects of different seed bed preparation methods on sowing uniformity and plant growing were investigated. In sunflower farming for this purpose eight different seed bed preparationring methods were applied. At the end of the research no difference was observed between seed bed preparationration methods in terms of distribution of intra row. The value of yield that is the most important generative property of a plant was found 215.4 kg da -1 as the most excessive in SK (Field cultivator +spring-tine cultivator + rotary harrow combination) method. And ıt was found 159.6 kg da-1 as the minimum in YD (Spring cultivator + disc harrow) method. The difference was found between the methods relating to sowing-deep and root length. So, ıt must be choosen the most economic method relating to seed bed preparation because of not finding important differences between output values as statistically.

Key Words: sunflower, secondary tillage, sowing uniformity, plant growing

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2003, 9 (4) 478-485
Plant Juice Extractions from Alfalfa and Sugar Beet Leaves by Mechanical Systems
(Turkish)

Fulya TORUK, Poyraz ÜLGER and Habib KOCABIYIK
Trakya University, Department of Agricultural Machinery-Tekirdağ


The leaves of alfalfa and sugar beet contain protein in high scale. Clover that a very important on animal feeding can be appraised in many ways. But in every way the big amount of protein is lost. Plant feeding scale of food plants gets down because of time and methods. This loss scale changes according to the shape of making food and appraising transactions of it. The main purpose of this working is to get maximum food materials from the leaves of alfalfa and sugar-beet that is very rich of plant food materials. To make this , A machine with rotary drum was made to get water of them with crushing plant materials. The both of plant materials were crushed in three different rotations. Plant water and sediment got from the working examined for food material consist. Only % 60 of plant water was got with mechanical way.The crude protein consist of alfalfa water changes between the values % 32-36.7 The crude protein consist of alfalfa sediment changes between the values % 16.3-20.6 The crude protein consist of the sugar-beet water changes between the values %29-36 The crude protein consist of sugar-beet sediment changes between the values % 19-22. The rotation intervals and amount of water, dry material and crude protein were found important in the level p<0.05 as statistics.

Key Words: alfalfa, leaf of sugar beet, plant juice, crushing, protein

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2003, 9 (4) 486-490
Determination of Variation in Soil Water Storage Capacity on Watersheds
(English)

Kadri YÜREKLİ1, Fazlı ÖZTÜRK2 and Mehmet BALÇIN3
1 Gaziosmanpasa University, Faculty of Agriculture, Department of Farm Structure and Irrigation-Tokat
2 Ankara University, Faculty of Agriculture, Department of Farm Structure and Irrigation-Ankara
3 Tokat Research Institute of Rural Services-Tokat


The purpose of this study is to bring up variation of soil water storage capacity (S) based on probability distributions on watersheds, and to compare S obtained from probability distribution to S according to Soil Conservation Service (SCS). In order to explaining variation in S, maximum 24-h rainfall for each month and the associated runoff volume recorded in three watersheds ( Uğrak, Akdoğan, İkikara) which has controlled by Tokat Research Institute of Rural Services was used. Normal, log normal, extreme value type I, and log pearson type III distributions were taken into account for S in this study. S values of these mentioned watersheds were fitted better to log normal distribution than the others (normal, extreme value type I, and log pearson type III distributions ). S values of each watersheds for 10, 50 and 90 % probability levels were gotten from frequency lines based on log normal distribution. Afterwards, for these S values, curve numbers (CN10, CN50, CN90) were determined. These CN values were compared to CN values (CNI, CNII, CNIII) based on SCS for dry antecedent condition, normal antecedent condition, and wet antecedent condition. This study was showed that CN10, CN50, CN90 were similar to CNI, CNII, CNIII for each watershed (Ugrak, Akdogan, Ikikara).

Key Words : maximum 24-h rainfall, SCS, curve number, soil water storage capacity

2003, 9 (4) 491-493
Susceptibility of Vicia sativa Cultivars to an Oncogenic Strain of Agrobacterium tumefaciens
(English)

Aziz KARAKAYA1 and Cafer Sırrı SEVİMAY2
Ankara University, Faculty of Agriculture, Department of Plant Protection, Ankara-Turkey
Ankara University, Faculty of Agriculture, Department of Field Crops, Ankara-Turkey


Agrobacterium tumefaciens is commonly used in gene transfer to plants. Determination of the suitable plant genotypes facilitate this process. In this study, eight common vetch cultivars grown in Turkey were assessed for their susceptibility to oncogenic Agrobacterium tumefaciens strain A281. All common vetch cultivars showed susceptibility to infection from A. tumefaciens strain A281.

Key Words: Agrobacterium tumefaciens, Vicia sativa, common vetch, tumor formation

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