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2000

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Articles 361 - 390 of 444

Full-Text Articles in Agriculture

Determining The Efficiency Of Forward-Sloped Bench Terraces On Soil Conservation: The Case Of The Aydın-Bozdoğan-Alamut Terracing Area, Alaetti̇n Taysun, Hali̇l Baki̇ Ünal, Altan Şahi̇n, Hasan Zafer Vurgun Jan 2000

Determining The Efficiency Of Forward-Sloped Bench Terraces On Soil Conservation: The Case Of The Aydın-Bozdoğan-Alamut Terracing Area, Alaetti̇n Taysun, Hali̇l Baki̇ Ünal, Altan Şahi̇n, Hasan Zafer Vurgun

Turkish Journal of Agriculture and Forestry

The study was carried out to determine the efficiency of forward-sloped bench terraces on soil conservation in the Aydın- Bozdoğan-Alamut terracing area. For this purpose, the shape specifications, and physical and chemical properties of the soil that belong to the sample terraces in the project area were determined and the factors of K and LS that are needed for calculating soil losses were are found through the Universal Soil Losses Equation. According to the evaluation, especially the determined factors of K and LS were higher for the sample terraces interfered with by farmers and this result shows that the probable …

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The Effects Of Press Direction, Wood And Glue Types To The Tensile Strength On "T" Joints With Mortise And Tenon, Mustafa Altinok, Ni̇hat Döngel, Cevdet Söğütlü Jan 2000

The Effects Of Press Direction, Wood And Glue Types To The Tensile Strength On "T" Joints With Mortise And Tenon, Mustafa Altinok, Ni̇hat Döngel, Cevdet Söğütlü

Turkish Journal of Agriculture and Forestry

The effects of press direction, wood and glue types on the tensile strength on "T" joints with mortise and tenon. Mortises and tenons were constructed and opened with a circular saw and glued to "T" joint members made of pine ( Pinus silvestris L.) , beech ( Fagus orientalis L.), chesnut ( Castenea sativa Mill.), cedar ( Cedrus libani), which are widely used in the furniture industry. "T" joints were bonded with side pressure and axial pressure with the following glues: Desmodur-VTKA, PVAc, PVA(pink) and Kleiberit 305. Tension tests were carried out on prepared samples according to DIN 53251 and …

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Abstracts From The Student Presentations Of The Arkansas Chapter Of Gamma Sigma Delta, Discovery Editors Jan 2000

Abstracts From The Student Presentations Of The Arkansas Chapter Of Gamma Sigma Delta, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

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Proper Use Of Ammoniated Low-Quality Forages For The Wintering Of Spring-Calving Beef Cow Herds In The Intermountain West, D. R. Zobell Jan 2000

Proper Use Of Ammoniated Low-Quality Forages For The Wintering Of Spring-Calving Beef Cow Herds In The Intermountain West, D. R. Zobell

All Current Publications

Low‐quality forages (LQF) such as cereal straws or post‐ripe hays are often used as economical feed sources for the wintering of beef cow herds. The ammoniation of such forages increases the digestibility and crude protein (CP) enough so that these forages can be used as the basis of beef cow diets, even during late gestation and early lactation if supplemented properly.

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Saving Utah's Landscape, Early Detection & Rapid Response, Usu Extension Jan 2000

Saving Utah's Landscape, Early Detection & Rapid Response, Usu Extension

All Current Publications

Members of the Utah-Idaho Cooperative Weed Management Area recognized that one of the greatest threats to their landscape was new, small infestations of noxious weeds.

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Western Australia - A Johne's Disease Free Zone, Peter Morcombe Jan 2000

Western Australia - A Johne's Disease Free Zone, Peter Morcombe

Journal of the Department of Agriculture, Western Australia, Series 4

The control of Johne's disease (JD) in Australia is coordinated nationally by Animal Health Australia in conjunction with the livestock industries and the Commonwealth and State "Governments. Zones were established for Australia in July 1999 to control the spread of JD. These zones ensured that surveillance established the prevalence of JD, and that movement restrictions on livestock appropriate to the zone status were implemented. Following many years of surveillance and restrictions on the introduction of livestock, Western Australia has now been declared a Johne's Disease Free Zone - the first in Australia. Johne's Disease State Coordinator Peter Morcombe looks at …

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Effect Of Regional Different N-Fertilizer Applications On Nitrate Accumulation In Wintervegetables Grown On Tokat Region, M. Rüştü Karaman, Abdülreşi̇t Brahi̇, Aydin Güneş, Ali̇ İnal, Mehmet Alpaslan Jan 2000

Effect Of Regional Different N-Fertilizer Applications On Nitrate Accumulation In Wintervegetables Grown On Tokat Region, M. Rüştü Karaman, Abdülreşi̇t Brahi̇, Aydin Güneş, Ali̇ İnal, Mehmet Alpaslan

Turkish Journal of Agriculture and Forestry

The main object of this study was to observe the effect of regional N-fertilizer applications on the nitrate accumulation of some winter vegetables grown on farmer's fields located at different parts of the Tokat region. For this reason, leaf samples of some winter vegetables, namely spinach, cabbage, leek and lettuce collected from each field were analysed for nitrate, and the soil samples taken from a depth of 0-20 cm depth of each sampling field were analysed for nitrate content and texture. According to the results of this study, different nitrate levels (910-2360 mg/kg in spinach, 945-1785 mg/kg in cabbage, 750-1947 …

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The Determination Of Seed Yield And Yield Components In Some Bean (Ph. Vulgaris)Cultivars And Correlations Between These Characters Under The Çukurova Conditions, Adem Emi̇n Anlarsal, Celal Yüce, Derya Özveren Jan 2000

The Determination Of Seed Yield And Yield Components In Some Bean (Ph. Vulgaris)Cultivars And Correlations Between These Characters Under The Çukurova Conditions, Adem Emi̇n Anlarsal, Celal Yüce, Derya Özveren

Turkish Journal of Agriculture and Forestry

This research was conducted to determine suitable bean cultivars under Çukurova conditions, as well as to find out the correlations between seed yield and yield components. According to the experiment years' average, the seed yield of bean cultivars varied from 57.4 to119.6 kg/da and from 16.5 to 97.5 kg/da in dwarf and climbing beans respectively sehirali-90 and Yalova-5 in dwarf beans and Dermason-Malatya and Horoz-Tokat in climbing beans had the high seed yield in both experiment years. Positive correlation cofficients were found between seed yield and 100 seed number in dwarf beans. Also, there were positive correlation coefficients between seed …

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An Operations Research Application In The Particleboard Industry, Selman Karayilmazlar, Erdal Balaban Jan 2000

An Operations Research Application In The Particleboard Industry, Selman Karayilmazlar, Erdal Balaban

Turkish Journal of Agriculture and Forestry

In this study, a model was used for the optimization of product mix (the amounts of each product in the mixture) in particleboard industry by using linear programming. A theoretical model was constructed in which operations research methods and linear programming were applied to the maximization of the profit of a particleboard mill (KÖYKOBİR) as the consumer of industrial wood. To this end, 1993-1994-1995-1996 production, sales, stock quantities and costs as well as data related to capacities of the chipping, drying, pressing, sanding and gluing units were processed. Moreover, processing times of every product at these units were calculated. The …

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Investigations On The Performance Of Some Strawberry Cultivars (Fragaria X Ananassaduch.) Grownin Open Fields And Under High Tunnel Conditions, Kubi̇lay Önal Jan 2000

Investigations On The Performance Of Some Strawberry Cultivars (Fragaria X Ananassaduch.) Grownin Open Fields And Under High Tunnel Conditions, Kubi̇lay Önal

Turkish Journal of Agriculture and Forestry

Five strawberry cultivars were grown as frigo seedlings planted in July by using two management systems, open grow-ing and high tunnel, in 1996 and 1997. Yield, earliness and some quality characters were observed. The high tunnel system made the crop 2-3 weeks earlier than the open field system with a longer period. Yield was also high in the high tunnel system with 1053 grams per plant while it was 877 grams in open growing. Miranda was the highest yielding cultivar in both management systems. Cultivars Camarosa and Miranda were superior for fruit weight and the rate of high quality.

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A Study On The Determination Of The Marketing Margin And Manufacturing Cost Of Tulumcheese In Erzincan City, Vedat Dağdemi̇r Jan 2000

A Study On The Determination Of The Marketing Margin And Manufacturing Cost Of Tulumcheese In Erzincan City, Vedat Dağdemi̇r

Turkish Journal of Agriculture and Forestry

In this study, the marketing margin and production cost of 1 kg tulum cheese in Erzincan city were calculated. The data necessary for the study were obtained from a questionnaire filled in by 17 tulum cheese producers. Cheese manufacturing cost per kg was calculated as 485 962.8 TL on average. Market cost which was calculated by adding storage and transfer costs to the manufacturing cost was found to be 492 983.7 TL. 47.8%, 12.6%, 1.1%, 21.0%, and 17.5% of the cost paid by the consumer for 1 kg tulum cheese went to the farmer, other expenditures, income tax, the producer …

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Determination Of The Heterotic Effects And Phenotypic Correlation In Earlines, And Agronomical And Quality Characteristics In Cotton ( G. Hirsutum L.), Mustafa Ali̇ Kaynak, Aydin Ünay, İsa Özkan, Hüseyi̇n Başal Jan 2000

Determination Of The Heterotic Effects And Phenotypic Correlation In Earlines, And Agronomical And Quality Characteristics In Cotton ( G. Hirsutum L.), Mustafa Ali̇ Kaynak, Aydin Ünay, İsa Özkan, Hüseyi̇n Başal

Turkish Journal of Agriculture and Forestry

This research was conducted at the Adnan Menderes University Agricultural Faculty.The objectives of the study were to investigate the heterotic effects of earliness and agricultural and quality characters under Aegean region conditions, where earliness is extremely important, and to determine correlations among earliness characters and correlations among earliness, yield, ginning output, seed cotton weight per boll and quality characteristics in cotton (Gossypium hirsutum L). In the 1995, F 1 generation, and in 1996 the F 2 generation were obtained, and in 1997, F 1 and F 2 generations were grown with parents in randomized block design with three replications. The …

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Effects Of Genotype And Concentration Of 2,4-D On Callus Induction And Plant Regeneration From Young Inflorescences Of Dallisgrass ( Paspalum Dilatatum Poir), Ersi̇n Can, Nafi̇z Çeli̇ktaş, Rüştü Hati̇poğlu Jan 2000

Effects Of Genotype And Concentration Of 2,4-D On Callus Induction And Plant Regeneration From Young Inflorescences Of Dallisgrass ( Paspalum Dilatatum Poir), Ersi̇n Can, Nafi̇z Çeli̇ktaş, Rüştü Hati̇poğlu

Turkish Journal of Agriculture and Forestry

This study was conducted to determine the effects of genotype and 2,4-D concentrations on the callus induction and plant regeneration from young inflorescences of dallisgrass ( Paspalum dilatatumPoir). Segments of young inflorescences from six different ecotypes of dallisgrass were cultured on MS-medium containing different con-centrations of 2,4-D ( 2, 4, 6, 8 and 10 mg/l). The results of the study showed that the ecotypes were significantly different in cal-lus induction ratio, callus weight per petri dish and plant regeneration from the young inflorescences. With respect to the ecotypes, callus induction ratio varied from 17.5 % to 65 %, callus weight …

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Estimation Of Inheritance Of Some Agronomical Characters In Common Wheat By Diallel Cross Analysis, Okan Şener, Mehmet Kilinç, Tacetti̇n Yağbasanlar Jan 2000

Estimation Of Inheritance Of Some Agronomical Characters In Common Wheat By Diallel Cross Analysis, Okan Şener, Mehmet Kilinç, Tacetti̇n Yağbasanlar

Turkish Journal of Agriculture and Forestry

This study was conducted to determine the genetic structure of a population which included six common wheat cultivars or lines and crosses of half diallel cultivars or lines. It was concluded that the epistatic effect was significant for a weight of 1000 grains and yield per plant, while the additive effect was significant for period of maturity, the number of spikelets per head, and the number of kernels per hear. The dominance effect was found in yield per plant. A partial dominance effect was found in other char-acters. It was found that at least 4 pairs of genes were effective …

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The Response Of Sunflower Grain Yield To Water, Abdullah Kadayifçi, Osman Yildirim Jan 2000

The Response Of Sunflower Grain Yield To Water, Abdullah Kadayifçi, Osman Yildirim

Turkish Journal of Agriculture and Forestry

The main aims of this study were to obtain grain and oil yields of sunflower ( Helianthus annuus L.) under adequate and limited soil water supply during the total growing season and under limited soil water supply at the early vegetative, late vegetative, vegetative, flowering and yield formation periods, to find out the sensitive periods to soil water deficits, and to determine yield response factors (k y ). The experiments were conducted in the fields of the Research Farm of the Agricultural Faculty, Ankara University, in 1994 and 1995. It was found that the highest grain and oil yields were …

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Performances Of Some Promising Strains Of Common Wheat Under The Conditions Of Marmara Region, Köksal Yağdi Jan 2000

Performances Of Some Promising Strains Of Common Wheat Under The Conditions Of Marmara Region, Köksal Yağdi

Turkish Journal of Agriculture and Forestry

In this study, eight strains from five different combinations improved for the South Marmara Region and two cultivars of bread wheat were used as the plant materials. The cultivars used in the experiment have been widely grown in this region. Some important agronomic traits of both cultivars and strains were determined in yield experiments lasting four years. Plant height, seed number and seed weight per spike, 1000-seed weight, seed yield and hectoliter weight were examined and compared with the control cultivars and strains of F 6 -F 9 generations. The results of the four-year research indicated that some strains, especially …

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Effects Of Different Media, Type And Concentrations Of Auxin On Callus Induction And Plant Regeneration From Young Inflorescences Of Yellow Bluestem (Bothriochloa Ischaemum(L.) Keng), Ersi̇n Can, Rüştü Hati̇poğlu Jan 2000

Effects Of Different Media, Type And Concentrations Of Auxin On Callus Induction And Plant Regeneration From Young Inflorescences Of Yellow Bluestem (Bothriochloa Ischaemum(L.) Keng), Ersi̇n Can, Rüştü Hati̇poğlu

Turkish Journal of Agriculture and Forestry

This study was conducted to determine the effects of different media, auxin types and concentrations on callus induction and plant regeneration from young inflorescences of 15 ecotypes of yellow bluestem ( Bothriochloa ischaemum). The young inflorescences were cultured on two different basal media (LS and SH) containing different concentrations (2, 4, 6, and 8 mg/l) of two different auxins (2, 4-D and Dicamba). The results showed that the ecotypes were significantly different from each other in callus induction rate, callus weight per dish and regenerate number per inflorescence segment. Depending on the ecotypes, mean callus induction rate varied from 9.7% …

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Hybrid Vigor In Common Wheat (Triticum Aestivum L.), Köksal Yağdi, Şenay Karan Jan 2000

Hybrid Vigor In Common Wheat (Triticum Aestivum L.), Köksal Yağdi, Şenay Karan

Turkish Journal of Agriculture and Forestry

This research was carried out at the experimental plots of the Field Crops Department of Agriculture Faculty, Uludağ University, during 1994-1996. Thirteen strains of common wheat obtained from the Prof. Dr. Osman Tosun Gene Bank were used as parent material for seven combinations of hybridirazations. In the F 1 populations belonging to the abovementioned combinations, plant height, spike height, spikelet number per spike, kernel number and kernel weight per spike and 1000-kernel weight were determined and the hybrid vigor was calculated. Positive and significant differences varying among the combinations were found in the F 1 plants with higher values than …

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Factors Affecting Iron Chlorosis Observed In Peach Trees In The Bursa Region, Haluk Başar Jan 2000

Factors Affecting Iron Chlorosis Observed In Peach Trees In The Bursa Region, Haluk Başar

Turkish Journal of Agriculture and Forestry

This research was implemented to determine the factors causing iron chlorosis observed in peach trees in the Bursa region. For this purpose, four peach orchards having trees with various degrees of chlorosis were selected. Soil and leaf samples were collected during a two year period. According to the results, chlorophyll, total Fe and active Fe contents of the leaves were negatively correlated with soil pH and lime (CaCO 3 ) and the active lime content of the soils. Significant positive correlations were found between organic matter content of the soils and chlorophyll, total Fe and active Fe content of the …

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Tolerance To Boron Toxicity Of Maize ( Zea Mays L.) Cultivars Widely Cultivated In Turkey, Aydin Güneş, Mehmet Alpaslan, Hesna Özcan, Yakup Çikili Jan 2000

Tolerance To Boron Toxicity Of Maize ( Zea Mays L.) Cultivars Widely Cultivated In Turkey, Aydin Güneş, Mehmet Alpaslan, Hesna Özcan, Yakup Çikili

Turkish Journal of Agriculture and Forestry

Boron tolerance of the following maize cultivars, Furio, Riogrande, Sele, DK 743, Helix, Missouri, Betor and Poker, was investigated. The experiment was carried out under greenhouse conditions. Boron was applied to the soil at 0, 10 and 30 mg kg -1 levels as H 3 BO 3 . Fresh and dry weights and B concentration and B uptake of the plants were determined at the end of the experiment. Boron tolerance of the corn cultivars was determined from the relationships between fresh and dry weights and B concentration and B uptake rates. According to the results, B tolerance of cultivars …

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Effects Of Different Levels Of Nitrogen On Some Characters Of Datura Collected From Samsun Environs, Enver Esendal, Kudret Kevseroğlu, Seli̇m Aytaç, Gülen Özyazici Jan 2000

Effects Of Different Levels Of Nitrogen On Some Characters Of Datura Collected From Samsun Environs, Enver Esendal, Kudret Kevseroğlu, Seli̇m Aytaç, Gülen Özyazici

Turkish Journal of Agriculture and Forestry

Seeds of datura plants ( Datura stramonium L.) were collected from three different locations (Kurupelit, Vadiler Sitesi and Gelemen) and examined at different nitrogen levels (0, 50, 100, 150 and 200 kg N/ha) for two years (1993 and 1994) in the Kurupelit Campus area of O.M.U., Samsun, Black Sea coastal area. The field experiments were conducted in a split-plot randomized block design with three replications. The highest fresh and medicinal herb yields were obtained by application of 150 kg of nitrogen per hectare, and seed yield was increased by increased nitrogen application levels. Therefore, it may be necessary to test …

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Agronomic And Technological Properties Of Coriander ( Coriandrum Sativum L.) Populations Planted On Different Dates, Nermi̇n Kaya, Güngör Yilmaz, İsa Telci̇ Jan 2000

Agronomic And Technological Properties Of Coriander ( Coriandrum Sativum L.) Populations Planted On Different Dates, Nermi̇n Kaya, Güngör Yilmaz, İsa Telci̇

Turkish Journal of Agriculture and Forestry

This research was conducted to determine suitable sowing dates and the potential productivity of coriander (Coriandrum sativumL.), grown in the Mardin, Denizli and Erzurum districts, at Tokat ecological conditions in 1997 and 1998 vegetation periods. Three local populations from Mardin, Denizli and Erzurum were sown on four different dates (1 November, 1 March, 15 March and 1 April). The highest seed yield was obtained from the Erzurum population as 908 kg/ha. The greatest essential oil ratio was recorded from the Denizli population with 0.39%. Linalool which is main component of coriander essential oil varied from 50.52- 92.52. Plant height (48.6-73.2 …

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Anatomical And Histological Investigations On The Effects Of Stratification Substrates On Final Take And Quality Of Grafted Vines, Rüstem Cangi̇, Fi̇kret Balta, Adnan Doğan Jan 2000

Anatomical And Histological Investigations On The Effects Of Stratification Substrates On Final Take And Quality Of Grafted Vines, Rüstem Cangi̇, Fi̇kret Balta, Adnan Doğan

Turkish Journal of Agriculture and Forestry

This experiment was carried out to determine the effects of water, sawdust and pumice as stratification substrates on the success of callusing, final take and quality of grafted vines of the Hafizali and Ercis grape cultivars grafted on Kober 5BB rootstock. The anatomical and histological development of the graft union was investigated at 21, 28, 35 and 42 days after grafting in all combinations. As for the results of the anatomical and histological investigations, it was observed that the cambial continuity between graft components in all combinations was mostly established in 21 days, and completed in 28-35 days in water …

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Effects Of Some Plant Residues On Nitrogen Mineralization And Biological Activity In Soils, Emi̇ne Erman Kara Jan 2000

Effects Of Some Plant Residues On Nitrogen Mineralization And Biological Activity In Soils, Emi̇ne Erman Kara

Turkish Journal of Agriculture and Forestry

The objective of this experiment was to determine the rate of decomposition and nitrogen mineralization of plant residues in soil under laboratory conditions. The experiment consisted of six treatments: control, industrial tobacco residues, rice straw, rice straw + mineral nitrogen, rice husks and rice husks+mineral nitrogen. The plant materials were added at a rate of 2000 mg/kgC and the amount of NH 4 + -N completed the C:N ratio of the added materials to 12.5. After adding the plant material the following measurements were carried out: soil respiration measurements 14 times, dehydrogenase activity 14 times, mineral nitrogen (ammonium and nitrate). …

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Impacts Of Turkey's Integration Into The European Union On Agriculture In The Post-Uruguay Round Environment, Cemal Atici, P. Lynn Kennedy Jan 2000

Impacts Of Turkey's Integration Into The European Union On Agriculture In The Post-Uruguay Round Environment, Cemal Atici, P. Lynn Kennedy

Turkish Journal of Agriculture and Forestry

Agricultural trade policies between Turkey and the European Union are modeled using a political preference function (PPF). The PPF is used to estimate the producer and consumer weights perceived by policy makers. The agricultural effects of Turkey's integration into the European Union (EU) and optimal strategies for Turkey and the EU are analyzed Results show that Turkey' s PPF values will be lower, with respect to agriculture, when it joins the EU; however, EU trade liberalization benefits Turkey.

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Effect Of Different Rootstocks On Fruit Characteristics Of Some Apple Cultivars, Sezai̇ Erci̇şli̇, Muharrem Güleryüz, Mürüvvet Pami̇r Jan 2000

Effect Of Different Rootstocks On Fruit Characteristics Of Some Apple Cultivars, Sezai̇ Erci̇şli̇, Muharrem Güleryüz, Mürüvvet Pami̇r

Turkish Journal of Agriculture and Forestry

This study was carried out to evaluate the effects of three rootstocks on yield and some fruit properties in apple cultivars grown in Erzincan plain for two successive years. In both years the highest fruit weights were recorded in seedling rootstocks (158.2 g and 170.1 g). The effect of the rootstocks on fruit height in 1995 and 1996 was significant but the effect on fruit diameter was not. The highest fruit height (67.14 and 68.89 mm) and fruit diameter (72.40 and 73.69 mm) were obtained in seedling rootstocks. The effects of rootstocks on fruit firmness were inconsistent in both years. …

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The Effect Of Chemical Applications On Cuticular And Epidermal Properties Of Some Sweet Cherry Cultivars With Respect To Fruit Cracking Susceptibility, Leyla Demi̇rsoy, Şükri̇ye Bi̇lgener Jan 2000

The Effect Of Chemical Applications On Cuticular And Epidermal Properties Of Some Sweet Cherry Cultivars With Respect To Fruit Cracking Susceptibility, Leyla Demi̇rsoy, Şükri̇ye Bi̇lgener

Turkish Journal of Agriculture and Forestry

This study was carried out in Amasya during 1994 and 1995. The aim of this study was to determine the effect of various chemical applications before harvest on epidermal characteristics related with fruit cracking in some sweet cherry cultivars (0900 Ziraat, Lambert and Van). The trees of the cherry cultivars were sprayed with GA 3 (20 ppm), NAA (1 ppm), GA 3 +NAA (20+1 ppm), NAA+Ca(OH) 2 (1 ppm+0.7%), GA 3 +Ca(OH) 2 (20 ppm+0.7%) and GA 3 +NAA+Ca(OH) 2 (20 ppm+1ppm+0.7%) 30-35 days before harvest. In addition, there were multiple applications of Ca(OH) 2 (0.7%) at ten day intervals …

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Land Suitability Classification Of Tokat-Kazova Agricultural Farm Using Two Different Land Evaluation Methods, Fevzi̇ Akbaş, Mustafa Kiliç Jan 2000

Land Suitability Classification Of Tokat-Kazova Agricultural Farm Using Two Different Land Evaluation Methods, Fevzi̇ Akbaş, Mustafa Kiliç

Turkish Journal of Agriculture and Forestry

The suitability was determined of Kazova Agricultural Farm soils for land utilization types, both those in use and those with a potential for use. Simple Limitation and Şenol Land Evaluation Methods were used. The results from the Simple Limitation Method showed that the Yeşilırmak and Eğertepe series are permanently unsuitable and the Mera series is currently unsuitable for all of the determined land utilization types. While the çaylı and Obalar series are marginally suitable for the land utilization types, the İşletme series is moderately suitable. The Yol series, which has soils with the lowest limitation of the farm soils, is …

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Relationship Between Leaf Area Index At Anthesis And Yield In Wheat Under Çukurova Conditions, Müjde Koç, Celaleddi̇n Barutçular Jan 2000

Relationship Between Leaf Area Index At Anthesis And Yield In Wheat Under Çukurova Conditions, Müjde Koç, Celaleddi̇n Barutçular

Turkish Journal of Agriculture and Forestry

Wheat yields are closely related to leaf area index (LAI) at anthesis. The optimum leaf area index differs according to genotype and location conditions. Three field experiments were conducted to determine the pattern of the relationship between LAI at anthesis and yield in Çukurova , a region with an acclerated ear and grain growth. Different genotypes, seeding density and nitrogen doses were used to create a range of LAI. Biological yield (BY) and grain yield (GY) increased quadratically in response to LAI values, with greater responses for BY (R 2 =0.46**) than for GY (R 2 =0.35**). As LAI increased …

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The Use Of Geographical Information Systems In Selecting Forest Road Routes, Orhan Erdaş, Selçuk Gümüş Jan 2000

The Use Of Geographical Information Systems In Selecting Forest Road Routes, Orhan Erdaş, Selçuk Gümüş

Turkish Journal of Agriculture and Forestry

During the forest road planning process, the determination of road routes requires the evaluation of many factors. The data needed for forest road planning are obtained from different sources with different standards. The variation in data sources causes problems in the effective and collective usage of these data. Geographical Information Systems is a frequently used tool in the decision making progress. It use database queries to find the best solution requiring the least time and money. In this study, the forest road routes on digital map are prepared in order to reach each point of the area of the planning …

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