Agriculture Commons^™

Effects Of Surface Coating Materials On The Physical And Mechanical Properties Of Particleboard Used For Kitchen Cabinets And Surface Quality Properties: Part 1. Effects Of Physical Properties, Turgay Özdemi̇r, Hülya Kalaycioğlu, Abdulkadi̇r Malkoçoğlu, Gökay Nemli̇

Turkish Journal of Agriculture and Forestry

In this study, the effects of surface coating materials on the physical and mechanical properties of particleboard used for kitchen cabinets and surface quality properties were investigated. But, in this part, effects of these on the physical properties on particleboard were investigated. 18 mm thickness particleboard were obtained from four different sources belong to private sector for producing test samples. Coated and varnished veneer , lacquer coating, continious pressure laminate, high pressure laminate and polivinylchloride coating were applied on these samples. The following were recorded during the experiments: Spesific gravity, water absorbtion and thickness swelling. As a result of this …

The Determination Of Fitness Of Various Isotherm Equations To Moisture Sorption Data Of Kırık, Lancer Barley, Rye, Oat And Corn, Fati̇h Ertugay, Muharrem Certel

Turkish Journal of Agriculture and Forestry

In this research, the fitness of Halsey, Henderson, Harkins-Jura, BET, Smith and Freundlich isotherm equations to moisture sorption data at 20, 25, 35, 50 and 70°C of Kırık, Lancer, barley, rye, oat and corn were investigated. Isotherm equations, fitted quite well to obtained sorption data, were determined and parameter constants of the equations were calculated by regression using the lineer form of the isotherm equation. The best fitness was seen in Henderson equation as low fitness was seen for BET equation.

The Effects Of Sowing Date And Row Spacing On Yield And Quality Of Some Sugarbeet (Beta Vulgaris L.) Varieties In Hatay Ecological Conditions, Mehmet Emi̇n Çalişkan, Necmi̇ İşler, Erol Günel, Mutlu Buket Güler

Turkish Journal of Agriculture and Forestry

The effects of different sowing dates (1st February and 1st March) and row spacings (30, 45 and 60 cm) on yield and quality characteristics of four sugarbeet cvs. (Evita, Sonja, Fiona and Anadolumono) were studied in Hatay ecological conditions in 1996 and 1997. Delayed sowings affected negatively all the yield and quality characteristics, and due to one month delaying of sowing root and sucrose yield decreased 8.06 % and 8.64% in 1996, and 37.7% and 40.4% in 1997, respectively. The highest root and sucrose yields obtained from 45 cm row spacing in 1996 (47.77 and 8.14 t/ha, resp.) and from …

A Study On The Relationship Of Yield With Stability In Lentil, Meti̇n Altinbaş, Bahatti̇n Tanyolaç

Turkish Journal of Agriculture and Forestry

Two lentil ( Lens culinaris medic. ) populations, one of them were of large-seeded genotypes and other one were small-seeded genotypes, were tested at one location in 1990 and at two locations in the years of 1991 and 1992 and some stability statistics were estimated for grain yield. The relationship between yield and stability were studied in both populations using the simple correlations among mean yields and six stability parameters. The significant correlations between mean yield and stability statistics (b, r^2, s^2_d, W^2, \sigma^2) except S^2 occurred in large-seeded genotypes, while all stability parameters were not significantly correlated with mean …

Autocatalyzed Ethanol-Water Pulping Of Wheat (Triticum Aestivum L.) Straw, Hüseyi̇n Kirci, Mehmet Akgül

Turkish Journal of Agriculture and Forestry

This study aimed possibility of organosolv pulp production by adding to the pulping liquor without any inorganic catalyzes from the wheat straw which is known as an important raw-material for pulp production in Turkey. To obtain optimum pulping conditions ethanol ratio to pulping liquor, temperature and cooking time at maximum temperature were changed systematically and 18 pulping trial were made. The results showed that the pulping temperature at 170ºC was critical for delignification and fiber liberation. Under the limit of 170ºC sufficient delignification and chemical defibration were not observed. However, fast fiber liberation occured by applying 180-190ºC pulping temperatures. Increasing …

Louisiana Agriculture Winter, 1999, Lsu Agcenter

Louisiana Agriculture

No abstract provided.

Effect Of The Partial Substitution Of A Commercial Feed For Corn Meal On Growth Performance Of Chickens, Óscar Amilcar García Portillo

Theses and Dissertations

Nutrition is a primary human need. Families often will raise their own animals to meet these nutritional needs. However, high feed costs can severely limit the viability of these small family enterprises. This study addressed ways to improve poultry production as a means for families to ameliorate their diets and increase income. Research was conducted at the Centro Universitario de Oriente (CUNORI), Chiquimula, Guatemala. For this study, commercial poultry feed was supplemented with corn flour at three treatment levels and fed to poultry. Results indicated that partial substitution of commercial feed with corn flour at these three treatment levels did …

Farm And Home Research: Celebrating 50 Years Of Farm And Home Research, Mary Brashier, Jerry Leslie, Jaumi Reimer, Stephanie Misar

Farm and Home Research: 1999 - 2007

In this Issue:

[Page] 2- Director’s comments: International exchange of plants and people

[Page] 4- ‘Steppe by Steppe’: N.E. Hansen’s impact on agriculture

[Page] 8- ‘On the March’: Siberian native at home on the range

[Page] 10- SPA: enterprise analysis

[Page] 14- A small plant grows smaller: Faculty and students gain global perspective

[Page] 17- Potential danger in dugout . . . if water isn’t freshened by annual runoff

[Page] 18- ‘Timing is everything’. . . in grazing western wheatgrass pastures

[Page] 20- Turfgrass research is new at SDSU . . .to match state’s range in soils and climates

[Page] …

Determination Of Effective Heat Summation Reqirement Of Stone Fruits Grown In Ankaraconditions, Hülya Ünver, Mensure Çeli̇k

Turkish Journal of Agriculture and Forestry

This experiment was carried out to determine heat accumulation requirements of stone fruits. 7 o C for stone fruits was considered as critical temperature (base temperature) to calculate effective heat summation in degree-days or heat units. The length of growth periods in Ankara were 258 days in 1992 and 267 days in 1993. Effective heat summations in Ankara were 2307 (1992) and 2428 (1993) degree-days above 7 o C. It can be said that the effective heat summation of Ankara is enough of for commercial growing of stone fruit cultivars studied in this experiment.

The Relationships Among Grain Yield And Some Yield Components In Tir Wheat, Fahri Sönmez, Mehmet Ülker, Nuri Yilmaz, Hatice Ege, Betül Bürün, Rüstem Apak

Turkish Journal of Agriculture and Forestry

Field experiments were conducted in 1994 and 1995 in Van in order to study the relationships between grain yield and yield componets, and the interrelationships among these yield components and other characteristics in Tir wheat. In this research, heading duration, the number of spikes per m 2 , grain filling period, the number of grain per spike, grain weight, and grain yield were studied. Direct and indirect effects of the yield components (the number of spikes per m 2 , the number of grain per spike, and grain weight) on grain yield were found by Path coefficient analysis. Direct and …

The Possibilities At Entering Crop Rotation System Of Certain Annual Legume Plants In Antalya, Sadık Çakmakçi, Semiha Çeçen

Turkish Journal of Agriculture and Forestry

The research was done during 1994-95 and 1995-96 planting season with 3 replications in randomized complete block design, in Antalya to find the possibility of entering crop rotation system for the forage yield of 9 annual legume plant species. In this work, common vetch, hungarian vetch, hairy vetch, bitter vetch, field pea, chickling vetch, fenugreek, persian clover and berseem plant species were used. For every plant species plant dry matters obtained during harvesting season and days to harvesting stage were compared. As a result, for the dry matter yield, chickling vetch, hungarian vetch and fenugreek plant species gained the highest …

An Investigation On Pollen Viability, Germination And Tube Growth In Some Stone Fruits, İbrahi̇m Bolat, Lütfi̇ Pirlak

Turkish Journal of Agriculture and Forestry

In this study, the viability, germination and tube growth of pollen from apricot ( Prunus armeniaca L.) (in five cultivars), sweet cherry ( Prunus avium L). (in four cultivars) and sour cherry ( Prunus cerasus L.) (in one cultivar) were investigated. Three stain tests (TTC, IKI and safranin) and two in vitrogermination tests (hanging drop and agar-plate) were used to estimate pollen viability and germination in these species. The viability, germination and tube growth of pollens varied significantly according to species, cultivars and tests. However, pollen viability in the safranin test was generally higher than in the others. The highest …

Changes In Nitrogen Status Of Soybean Under Influence Of Symbiotically Fixed And Bound Nitrogen, A. G. Gadimov, P. M. Safaraliev, C. N. Troistskaya, Surhay Allahverdiev, S. Nafi̇si̇

Turkish Journal of Agriculture and Forestry

The contribution of different nitrogen sources (nitrate 15 N-NO 3 and symbiotic N-N 2 ) to the nitrogen status of soybean in ontogenesis was studied. Nitrate was assimilated effectively during the vegetative growth, whereas later on the nitrogen-fixation by root nodules became the basic source of nitrogen. The applying of a low dose of nitrate (22.2 mg N/plant) increased the total nitrogen content in the plant and did not depress the nitrogen fixation. Distribution of the symbiotic and nitrate nitrogen among organs of soybean was proportional.

Reduction By Natural Resin Of Water Uptake In Various Wood Species, Ahmet Ali̇ Var, Erol Öktem

Turkish Journal of Agriculture and Forestry

Straight and clear sapwood specimens of 3x3x1.5 cm were prepared from spruce ( Picea orientalis L.), pine ( Pinus sylvestris L.), beech ( Fagus orientalis L.), and alder ( Alnus glutinosa Geartn. L.). The specimens were impregnated in solution consisting of 10% natural resin and 90% cellulosic thinner, with dipping for periods of 1/3, 3, and 24 hours. Test and control specimens were soaked in distilled water for periods of 1/4, 1, 4, 16, and of 24 hours. Both tests were carried out under room conditions: 20±2°C temperature, 65±5 percent relative humidity and atmospherical pressure. Result showed that there were …

Determination Of The Effect Of Fosetyl-Al Against Citrus Gummosis Disease Caused By Phytophthora Citrophthora(Smith And Smith) Leonian, Ali̇ Erkiliç, Yeter Canihoş

Turkish Journal of Agriculture and Forestry

In this study the effect of fosetyl-Al against citrus root not and gummosis caused by Phytophthora citrophthora was investigated. The results showed that fosetyl-Al protected citrus from the disease at least for one year. It was found that two fungicide applications sufficiently protected the trees against citrus gummosis. No significant differences were obtained were obtained at two fungiciede dosages, 160 g a.i./100L and 200 g a.i./100L, in all applications. When the pathogen was inoculated two weeks before fosetyl-Al, the infection area was diminished and with time had complete recovery with callus formation. Thus, fosetyl-Al was shown to have a curative …

Some Characteristics Of Polyphenol Oxidase And Peroxidase From Taro (Colocasia Antiquorum), Ahmet Yemeni̇ci̇oğlu, Mehmet Özkan, Beki̇r Cemeroğlu

Turkish Journal of Agriculture and Forestry

The heat inactivation kinetics of taro polyphenol oxidase (PPO) and peroxidase (POD) in the temperature range of 50°-80°C followed the first-order kinetic model. Both enzymes possessed two isoenzymes with varying heat stabilities. In the range of 60°-70°C, heat stable isoenzymes accounted for 33-34% of POD and 67-72% of PPO. E a and z values of heat stable isoenzymes were, respectively, 19.4 kcal.mol -1 and 25.9°C for POD, and 21 kcal.mol -1 and 25.5°C for PPO. The pH optimum was 5.9 for POD and 6.5 for PPO. POD was densely located on the surface of taro tubers whereas PPO was located …

Effect Of Salinity On Phosphorus Induced Zinc Deficency In Pepper ( Capsicum Annuuml.) Plants, Aydin Güneş, Ali̇ İnal, Mehmet Alpaslan, Yakup Çikili

Turkish Journal of Agriculture and Forestry

The combined effects of NaCl salinity and increasing rates of P on the Zn nutrition of pepper were studied. The applied P increased fruit yield in the absence of salinity, but decreased it in the presence of salinity. Fresh and dry weights of the plants were increased by the applied P and decreased by salinity. Both salinity and increasing levels of P (except 300 mg kg -1 ) decreased the Zn concentrations and Zn uptake of the plants. Zinc deficiency symptoms were observed at P levels of 300 and 500 mg kg -1 , a result which was more pronounced …

Research On Yield, Essential Oil, Contents And Components Of Mint (Mentha) Species Indifferent Ecologies, Menşure Özgüven, Sali̇ha Kirci

Turkish Journal of Agriculture and Forestry

Mint oil demand is met by imports in Turkey. For this reason, this study was conducted to determine yields and essential oil contents and components of different Mentha piperita cultivars ( M. piperita Ucrainica, M. piperita Mitcham , M. piperita Bulgaristan 36, M. piperita Multimentha, M. piperita Prilubskaja-I) and Mentha species ( M. arvensis var. piperascens (L.), M. aquatica, M. spicata ssp. spicata) in Adana and Pozanti ecological conditions over two years. In Adana, they were harvested twice in the first year and once in the second year. In Pozanti, they were harvested once in both years. The total fresh …

The Effect Of Some Boron Compounds And Water Repellents On The Fire Resistanceproperties Of Scotch Pine Wood, Yalçin Örs, Musa Atar, Hüseyi̇n Peker

Turkish Journal of Agriculture and Forestry

This investigation was designed to improve the fire-resistance properties of polyethlene glycole (PEG-400) and some water repellent solutions used to improve the flammability properties of wood. For this reason, samples from Scotch pine wood were impregnated according to ASTM-D 1413-76 boric acid, borax, sodium perbo-rate diluted or dissolved in PEG-400 were used as a preservative materials, and paraffin, styrene, methylmethacrylate and wax were used as a water repellent materials. It was found that, compounds contained boron increased the water resistance properties and water repellents materials resulted in the same decreasing the flammability behavior of wood.

The Effects Of Different Preservation Chemicals And Finishing On Wood Combustion Properties In Pinus Sylvestrisl. And Castanea Sativa Mill., Yalçin Örs, Musa Atar, Hüseyi̇n Peker

Turkish Journal of Agriculture and Forestry

In this study, changes in combustion properties in solid wood treated with different chemicals and varnishes were investigated. Wood samples prepared from Scotch pine ( Pinus sylvestris L.) and chestnut ( Castanea sativa Mill.) were impregnated with tanalith-CBC, water repellent (WR) solutions + synthetic varnish and WR + polyurethane varnish. Afterwards, synthetic and polyurethane varnishes were applied to the surfaces. Varnishing had the initial effect of fire retardation in both Scotch pine and chestnut impregnated with tanalith-CBS. Loss of weight was found to be 20% in chestnut samples and 13% in Scotch pine samples. However, varnishes did not affect combustion …

Strength Of Individual Soil Aggregates Against Crushing Forces Ii. Influence Of Selected Soil Properties, Taşkin Öztaş, Mustafa Y. Canbolat, Koray Sönmez

Turkish Journal of Agriculture and Forestry

The objective of this study was to determine the influence of selected soil properties on the relative strength of individual oil aggregates against crushing forces. Soil aggregates were crushed between a flat surface and a flat plate connected to a pocket penetrometer. Significant relationships were found between dry-aggregate stability and the clay content, sand content, CEC and ESP of the soils studied. There was also a significant positive correlation between dry-aggregate stability and wet-aggregate stability (r=0.94**). No significant relationships were found between dry-aggregate stability and silt content, organic matter content, CaCO 3 content or pH. Stepwise multiple regression analysis indicated …

Effect Of The Environmental Temperature On The Degradation Period Of Carbaryl, Ahmet Uyanik, Mustafa Özdemi̇r

Turkish Journal of Agriculture and Forestry

In this study, the effect of the temperature on the degradation period of Carbaryl (Sevin), a widely used outdoor and indoor insecticide, was investigated in a laboratory in soil and on green plants by using a new quantitative TLC (Thin Layer Chromatography) method. The experimental temperature conditions were 40°C , 16°C and 5°C for soil and 15°C for green plants. The results which were evaluated by photocopying of the TLC spots on a graph paper and square counting showed that carbaryl degradation is a first order reaction and the temperature dependent half-life of the degradation takes grater than four weeks …

Comparing Tillage Techniques By Using A New Infiltration Methodfatih Topaloğlu, Fati̇h Topaloğlu

Turkish Journal of Agriculture and Forestry

A one-year field trial in Italy was carried out for comparing tillage systems such as 50 cm chiselling (CH), 40 cm plow-till (PT40) and 20 cm plow-till (PT20) according to results of a new developed infiltration method. Ponded infiltration rates were measured to obtain the field saturated hydraulic conductivity (K fs ) using single ring infiltrometers on six dates with six replications in three sites on a sandy clayey loam soil. In both PT20 and CH plots, K fs after tillage increased temporarily to a value of about 4 and 9 times greater than that observed before tillage, respectively. However, …

The Effects Of Wood Bleaching Chemicals On Thebending Strength Of Wood, Burhanetti̇n Uysal, Musa Atar, Ayhan Özçi̇fçi̇

Turkish Journal of Agriculture and Forestry

The aim of this research was to determine the effects of bleaching chemicals on the bending strength of wood. For this purpose, sodium hydroxide + hydrogen peroxide, sodium hydroxide + calcium hydroxide + hydrogen peroxide, hypochlorite and hydrochloric acid were applied to pine (Pinus sylvestris L.), oriental beech (Fagus orientalis Lipsky), ash (Fraxinus excelsior L.) and oak (Quercus petraea spp.) for bleaching. The results indicate that the hypochlorite and hydrochloric acid solutions caused the greatest decrease in the bending strength of the woods used in the experiment.

Rapd Analysis Of Genetic Variation In Barley, Gülruh Albayrak, Nermi̇n Gözükirmizi

Turkish Journal of Agriculture and Forestry

The variation between wild barley lines ( Hordeum murinum, Hordeum bulbosumand Hordeum vulgare spontaneum) orig-inated from Turkey were investigated comparatively at the molecular level with the Random Amplified Polymorphic DNA (RAPD) technique. Leaf DNAs extracted from different barley lines were amplified with randomly chosen primers in a Polymerase Chain Reaction (PCR). Rates of polymorphisms between the 23 lines were determined in pairwise comparisons. The lowest value of poly-morphism was determined to be 0.3% between wild barley lines numbered 50327 and 50354, and between 48101 and 50365 while the highest polymorphism value was determined to be 60% between wild barley lines …

Leaf Area Prediction Models ( Uzçelik-I) For Different Horticultural Plants, Sezgi̇n Uzun, Hüseyi̇n Çeli̇k

Turkish Journal of Agriculture and Forestry

A total of 343 leaves were selected randomly from fifteen different horticultural plants, that are widely grown under Samsun ecological conditions. Lamina width, length and leaf area were measured. The plants were divided into three groups according to lamina shape, plants with similar shapes being put into the same group for developing an equation to predict their leaf areas. The first group of plants included avocado species [1], lotus plum used as persimmon rootstock [2], 52 ÜN 13 selected persimmon type [3], Hayward kiwifruit cultivar [4], Bonica F1 aubergine [5] and Yalova F1 pepper [6]. The second group included GAP …

Investigations On The Changes Of Phenolic Substances During Flower Bud Development In Strawberries, Elmas Özeker, Ali̇ Tanrisever

Turkish Journal of Agriculture and Forestry

The extracts prepared from the samples which were collected weekly intervals betweeen August and December in 1990 and 1992 were analyzed by thin layer chromatography and the changes in phenolic substances during flower bud developmental stages in strawberries were examined. Some differences were determined in terms of phenolic compositions among the developmental stages in the one dimensional chromatograms of young and mature leaves of Pocahontas, Tioga and Yalova-110 strawberry cultivars and these differences were observed during the same periods in all the three years. The 4th week of August, the 2nd week of September and the 4th week of December …

The Effects Of Planting-Date And Photoperiod On The Growth And Flowering Of Gypsophila Paniculata L. "Perfecta", Osman Karagüzel, Sevi̇l Altan

Turkish Journal of Agriculture and Forestry

This study was carried out to determine the effects of 8 different planting-dates (22 September, 22 October, 22 November, December 22, January 22, February 22, March 22 and April 22) and 4 photoperiods (natural, 14, 15 and 16 hrs) on the growth and flowering of Gypsophila paniculata L. 'Perfecta' under controlled glasshouse conditions at the Alata Horticultural Research Institute (Erdemli, İçel-TURKEY). The times from planting to harvest were longer in autumn and in early winter plantings than in winter and in spring plantings under a 16-hr photoperiod. Suitable planting-dates were, seasonally, September 22 and October 22 in autumn, February 22 …

Effect Of Conventional And Microwave Cooking Methods On Some Nutritive Contents And Quality Properties Of Chicken Meat, Ayla Soyer, Nuray Kolsarici, Kezban Candoğan

Turkish Journal of Agriculture and Forestry

Chicken leg and breast meat samples were cooked in a microwave oven, electric oven and boiling water, and cooking loss, yield, nutritive contents and their retentions after cooking, thiobarbituric acid (TBA) value, total mesophile aerobic bacterial (TMAB) counts and sensory properties were determined. Cooking losses of leg and breast meat were 29.20% and 24.80% respectively. The highest yield (79.69%) was in a breast meat cooked in a microwave oven (P

A Study On The Nutrient Status Of Starking Delicious Apple Cultivar Grown In Erzincan Plain, Muharrem Güleryüz, Sezai̇ Erci̇şli̇, Serdar Bi̇len

Turkish Journal of Agriculture and Forestry

This research was carried in 1993 and1994, in order to determine the nutritional status of the orchards established with S.Delicious apple cultivar in Erzincan plain. In this research, 20 apple orchards was selected and soil and leaf samples taken from the orchards in August. According to the analysis, at the experimental site's soils, pH ranged from 7.38 to 7.95, lime ranged from 0.89 to 13.05%; organic matter 0.24 to 3.07%; P ranged from 1.1 to 25.00 ppm; K ranged from 61 to 731 ppm; Zn ranged from 1.2 to 3.6 ppm and Mn ranged from 3.9-15.0 ppm. The soils generally …