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Articles 8251 - 8280 of 11816

Full-Text Articles in Forest Sciences

Smokejumper Obituary: Nicholson, Edward (Missoula 1960), National Smokejumper Association Jan 2002

Smokejumper Obituary: Nicholson, Edward (Missoula 1960), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Keith, Archie (Missoula 1945), National Smokejumper Association Jan 2002

Smokejumper Obituary: Keith, Archie (Missoula 1945), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Bradshaw, Richard M. (Mccall 1963), National Smokejumper Association Jan 2002

Smokejumper Obituary: Bradshaw, Richard M. (Mccall 1963), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Montgomery, Malcolm Crostin "Mac" (Missoula 1956), National Smokejumper Association Jan 2002

Smokejumper Obituary: Montgomery, Malcolm Crostin "Mac" (Missoula 1956), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Burgon, Edwin Leon "Ted" (Idaho City 1952), National Smokejumper Association Jan 2002

Smokejumper Obituary: Burgon, Edwin Leon "Ted" (Idaho City 1952), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Forage Yield Of Different Alfalfa Cultivars Under Ankara Conditions, Suzan Altinok, Azi̇z Karakaya Jan 2002

Forage Yield Of Different Alfalfa Cultivars Under Ankara Conditions, Suzan Altinok, Azi̇z Karakaya

Turkish Journal of Agriculture and Forestry

This research was carried out in the experimental field of Ankara University, Faculty of Agriculture, Department of Field Crops during the years 1997, 1998, and 1999. Alfalfa cultivars Elçi, Kayseri, Mesa Sirsa, Fortress, Bilensoy-80, 5638/Miral, Peru, and Bitlis were used as materials. Plant heights of alfalfa cultivars during three years were highest before first cuts, and the highest forage yields were obtained from these cuts. According to the results, total green yields and dry matter yields were 1869 and 651 kg/da in first year, 4071 and 1297 kg/da in the second year, and 3839 and 1226 kg/da in the third …

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Quantitative Determination Of Alkyl Ketene Dimer (Akd) Retention In Paper Made On A Pilot Paper Machine, Ari̇f Karademi̇r Jan 2002

Quantitative Determination Of Alkyl Ketene Dimer (Akd) Retention In Paper Made On A Pilot Paper Machine, Ari̇f Karademi̇r

Turkish Journal of Agriculture and Forestry

There have been some problems reported associated with the use of alkyl ketene dimer (AKD) in alkali papermaking. Excessive use of size emulsion, poor size performance when filler used, problems with back water contamination, poor retention, and formation of pitch deposits on machinery are some of the problems experienced during papermaking operations. In addition, paper containing AKD is reported to lose its resistance, over time against liquid penetration and tends to become slippery. Therefore, in this study, the retention and reaction mechanisms of AKD internal sizing agent in a paper matrix were investigated by capillary gas chromatography (GC) in an …

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Variation In Overstory Nitrogen Uptake In A Small, High-Elevation Southern Appalachian Spruce-Fir Watershed, M. Barker, H. Van Miegroet, N. S. Nicholas, I. F. Creed Jan 2002

Variation In Overstory Nitrogen Uptake In A Small, High-Elevation Southern Appalachian Spruce-Fir Watershed, M. Barker, H. Van Miegroet, N. S. Nicholas, I. F. Creed

Watershed Sciences Faculty Publications

High-elevation red spruce (Picea rubens Sarg.) – Fraser fir (Abies fraseri (Pursh) Poir.) forests of the southern Appalachians exhibit considerable spatial heterogeneity in structure, and possibly in N uptake, because of a combination of natural disturbances and heavy fir mortality caused by infestations of the exotic balsam woolly adelgid (Adelges piceae Ratz). The objectives of this study are to determine spatial variability in tree N uptake in a small high-elevation catchment in the Great Smoky Mountains National Park, compare outcomes among calculation methods, and assess the influence of stand and landscape properties on N uptake. Tree N uptake is estimated …

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Chromosome Association In Allotetraploid Interspecific Hybrid Ryegrass And Parental Species, Bi̇lal Deni̇z Jan 2002

Chromosome Association In Allotetraploid Interspecific Hybrid Ryegrass And Parental Species, Bi̇lal Deni̇z

Turkish Journal of Agriculture and Forestry

This study was carried out in glasshouse conditions in summer 2000. Metaphase I (MI) chromosome association and numbers of chromosome arms bound were studied in autotetraploid perennial (Lolium perenne L.) and annual ryegrass (Lolium multiflorum Lam.) and their interspecific hybrid plants (Lolium hybridum). In addition, the relationships among different cytological characteristics with respect to meiotic regularity were determined. Chromosome associations at MI were often regular in the parent species and hybrid ryegrass plants however different pairing irregularities were found to be higher in perennial and especially in hybrid ryegrass plants than in the annual ryegrass plant genotypes. Total bivalent pairing …

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Effects Of Seed Origin And Site On Wood Density Of Sitka Spruce (Picea Sitchensis (Bong.) Carr.) Grown In Britain, İlker Usta, Mike Hale Jan 2002

Effects Of Seed Origin And Site On Wood Density Of Sitka Spruce (Picea Sitchensis (Bong.) Carr.) Grown In Britain, İlker Usta, Mike Hale

Turkish Journal of Agriculture and Forestry

Since density may have a direct influence on wood properties and because density is a factor under genetic control, this study details the effects of seed origins and sites on density. In addition to seed origins, its variability both within and between trees was also examined. In this case, the variation in density was investigated in eight seed origins of Sitka spruce (Alaska-AL, British Columbia-BC, Queen Charlotte Islands-QCI, North Washington-NW, South Washington-SW, North Oregon-NO, South Oregon-SO, and California-CA) grown at two sites in Britain (Dalby: Eastern England and Rhondda: South Wales). For this purpose, the five trees of each seed …

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An Estimation Of The Recreational Use Value Of Kursunlu Waterfall Nature Park By The Individual Travel Cost Method, Veli̇ Ortaçeşme, Burhan Özkan, Osman Karagüzel Jan 2002

An Estimation Of The Recreational Use Value Of Kursunlu Waterfall Nature Park By The Individual Travel Cost Method, Veli̇ Ortaçeşme, Burhan Özkan, Osman Karagüzel

Turkish Journal of Agriculture and Forestry

The recreational use value of Kursunlu Waterfall Nature Park in the Antalya province of Turkey was studied by using the Individual Travel Cost Method (ITCM). For this purpose, 500 on-site questionnaires were administered between September 1998 and June 1999. By applying certain criteria to these questionnaires, 280 cases were selected for economic analysis. The number of visits made by individuals was used as the dependent variable, while travel costs of individuals to the Park, socio-economic variables (age, education and household income) and alternative sites were selected as the independent variables in the demand model of the Park. A semi-log functional …

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Development, Survival And Reproduction Of Three Coccinellids Feeding On Hyalopterus Pruni (Geoffer) (Homoptera: Aphididae), Remzi̇ Atlihan, Mehmet Bora Kaydan Jan 2002

Development, Survival And Reproduction Of Three Coccinellids Feeding On Hyalopterus Pruni (Geoffer) (Homoptera: Aphididae), Remzi̇ Atlihan, Mehmet Bora Kaydan

Turkish Journal of Agriculture and Forestry

The development, survival and fecundity of three aphidophagus coccinellid species, Scymnus apetzi (Mulsant), Scymnus subvillosus (Goeze) and Exochomus nigromaculatus (Goeze), were studied under laboratory conditions (25 ± 1, 65 ± 5% RH and 16 L/8D). Development time from egg to adult was 20.4, 17.1 and 16.7 days for S. apetzi, S. subvillosus and E. nigromaculatus, respectively. Mortality rate from egg to adulthood was highest for S. apetzi (37.9%) followed by S. subvillosus (36.3%) and E. nigromaculatus (25.7%). Duration of the oviposition period was 58.6, 64.9 and 75.3 days, and the total number of eggs per female was 492.8, 224.9 and …

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Principal Mechanical Properties Of Eastern Beech Wood (Fagus Orientalis Lipsky) Naturally Grown In Andırın Northeastern Mediterranean Region Of Turkey, İbrahi̇m Bektaş, Cengi̇z Güler, M. Altay Baştürk Jan 2002

Principal Mechanical Properties Of Eastern Beech Wood (Fagus Orientalis Lipsky) Naturally Grown In Andırın Northeastern Mediterranean Region Of Turkey, İbrahi̇m Bektaş, Cengi̇z Güler, M. Altay Baştürk

Turkish Journal of Agriculture and Forestry

The aim of this study was to determine some mechanical properties (compression, static bending, impact bending and shear strengths) of Eastern beech wood (Fagus orientalis Lipsky) and to compare with them other beech species. In the tests, randomly selected logs taken from the trunk 2-4 m height were obtained from trees naturally growing in Andırın (Northeastern Mediterranean region) and these logs were prepared and tested according to Turkish standards. The results showed that the mean compression strength was 606 kgcm^{-2}, static bending strength 1204 kgcm^{-2}, impact bending strength 0.85 kgmcm^{-2} and shear strength 99 kgcm^{-2}. The relations of strengths with …

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Effects Of Surface Coating Materials On The Thermal Conductivity And Combustion Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu Jan 2002

Effects Of Surface Coating Materials On The Thermal Conductivity And Combustion Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu

Turkish Journal of Agriculture and Forestry

The specific properties of particleboard samples used in this study were as follows: 280x210x1.8 cm dimensions, 0.68 g/cm^3 specific gravity. Produced boards were coated with lacquered paint, melamine impregnated papers, wood veneers and continue press laminates. The effects of surface coating material type, melamine paper weight, wood veneer type and thickness, and continue press laminate thickness on the thermal conductivity and combustion properties of particleboard were investigated. Results showed that surface coating material type was found to affect these properties. Melamine paper weight and wood veneer thickness did not affect the thermal conductivity and combustion properties of particleboard samples. Wood …

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Satellite Monitoring Of Land Cover / Land Use Change Over 15 Years And Its Impact On The Environment In Gebze / Kocaeli - Turkey, Hülya Yildirim, Mehmet Emi̇n Özel, Nalan Jale Di̇van, Alparslan Akça Jan 2002

Satellite Monitoring Of Land Cover / Land Use Change Over 15 Years And Its Impact On The Environment In Gebze / Kocaeli - Turkey, Hülya Yildirim, Mehmet Emi̇n Özel, Nalan Jale Di̇van, Alparslan Akça

Turkish Journal of Agriculture and Forestry

The rapid industrialisation of an area requires quick preparation of actual land-cover/land-use (LC/LU) maps in order to detect and avoid overuse and damaging of the landscape beyond sustainable development limits. Satellite Remote Sensing and Geographic Information System technologies fit very well for long-term monitoring and assessment of such effects. As a pilot area for the use of such technologies, Gebze district near metropolitan Istanbul is considered. The study is centred on the documentation of LC/LU changes resulting from fast and mostly unregulated industrialisation and urbanisation over the period 1986 - 1998 by satellite images of the area. A comparison is …

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Irrigation Scheduling Of Drip-Irrigated Tomatoes Using Class A Pan Evaporation, Öner Çeti̇n, Osman Yildirim, Demet Uygan, Hasan Boyaci Jan 2002

Irrigation Scheduling Of Drip-Irrigated Tomatoes Using Class A Pan Evaporation, Öner Çeti̇n, Osman Yildirim, Demet Uygan, Hasan Boyaci

Turkish Journal of Agriculture and Forestry

This study was carried out to investigate the irrigation schedule of drip-irrigated tomatoes (Lycopersicon esculentum cv. Dual Large, F 1) using Class A pan evaporation. Tomatoes plants were grown in a clay soil in the experimental fields of the Research Institute of Rural Services in Eskişehir between 1998 and 2000. Irrigation water was applied as a certain ratio of Class A pan evaporation (k_{pc} = 0.50, 0.75, 1.00, and 1.25) with different irrigation intervals (2, 4, and 6 days). Significant differences in fruit yields were obtained between the treatments, except for in 1998. Maximum marketable fruit yield was found at …

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Determining Suitable Probability Distribution Models For Flow And Precipitation Series Of The Seyhan River Basin, Fati̇h Topaloğlu Jan 2002

Determining Suitable Probability Distribution Models For Flow And Precipitation Series Of The Seyhan River Basin, Fati̇h Topaloğlu

Turkish Journal of Agriculture and Forestry

The frequency analysis of the largest, or the smallest, of a sequence of hydrologic events has long been an essential part of the design of hydraulic structures. Therefore, the question of better fit among countless probability models used in frequency analysis is always a fresh one. The purpose of this study was to make a statistical comparison of currently popular probability models. Therefore, Gumbel, log-Logistic, Pearson-3, log-Pearson-3 and log-Normal-3 distributions were applied to the series of annual instantaneous flood peaks and annual peak daily precipitation for 13 flow gauging and 55 precipitation gauging stations in the Seyhan basin, respectively. The …

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Comparison Of Rooting Capabilities Of Turkish Tea Clones, Eyyüp Altindal, Fi̇kri̇ Balta Jan 2002

Comparison Of Rooting Capabilities Of Turkish Tea Clones, Eyyüp Altindal, Fi̇kri̇ Balta

Turkish Journal of Agriculture and Forestry

In this study, single leaf cuttings of 10 Turkish tea (Camellia sinensis) clones Hamzabey-1, Ardeşen-1, Fener-3, Hayrat-1, Çiftekavak-1, Muradiye-10, Tuğlalı-10, Gündoğdu-3, Kömürcüler-1 and Derepazarı-7 were rooted under greenhouse conditions at seven different collection times without using any plant hormones. The cuttings were collected on 28 August, 4 September, 11 September, 19 September, 25 September, 4 October and 10 October. Rooted plants were removed from rooting medium in mid-May. Plant survival, root dry weight, shoot dry weight and shooting percentage were recorded depending on the tea clones and collection times. The highest survival percentage by mean values of collection times was …

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Determination Of Genetic Variation In Populations Of Bemisia Tabaci In Antalya, Hüseyi̇n Göçmen, Zübeyi̇r Devran Jan 2002

Determination Of Genetic Variation In Populations Of Bemisia Tabaci In Antalya, Hüseyi̇n Göçmen, Zübeyi̇r Devran

Turkish Journal of Agriculture and Forestry

Although a number of investigations on the molecular genetics of Bemisia tabaci (Gennadius) have appeared in the literature, no such studies are known from Turkey. In order to fill this gap the amplified fragment length polymorphism (AFLP) technique was used to assay eight populations of B. tabaci collected from cotton, protected vegetables (tomato, cucumber and eggplant) and peppermint in various locations in the province of Antalya, Turkey. Eleven AFLP primer pairs detected a total of 547 AFLP fragments in these populations and 389 of these showed polymorphism. Cluster analyses of AFLP data clearly separated these populations into two groups with …

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Natural Forest Types And Their Differential Species On Genya Mountain-Artvin, Si̇nan Güner, Ali̇ Demi̇rci̇, Fati̇h Tonguç Jan 2002

Natural Forest Types And Their Differential Species On Genya Mountain-Artvin, Si̇nan Güner, Ali̇ Demi̇rci̇, Fati̇h Tonguç

Turkish Journal of Agriculture and Forestry

To be successful in forestry practices, all factors affecting forests and the interactions among them should be determined. It is important to study and understand the structure and dynamics of forests and make an inventory of existing and non-degraded homogeneous areas of natural forest types in the country. This study was conducted to determine different forest types and their differential species on Genya Mountain in Artvin. Based on the results determined by the Braun-Blanquet method, a total of 8 forest types and 2 typical sub-forest types for type IV, and 3 typical sub-forest types for type VIII were determined. These …

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Socio-Economic Structural Analysis Of Small Firms In The Forest Product Industry In The Eastern Black Sea Region In Turkey, Kadri̇ Cemi̇l Akyüz, Hi̇cabi̇ Cindik, Hasan Seri̇n Jan 2002

Socio-Economic Structural Analysis Of Small Firms In The Forest Product Industry In The Eastern Black Sea Region In Turkey, Kadri̇ Cemi̇l Akyüz, Hi̇cabi̇ Cindik, Hasan Seri̇n

Turkish Journal of Agriculture and Forestry

Structural and statistical analyses of small establishments in the forest products industry were performed in 63 towns and cities in six provinces in the Eastern Black Sea region, which is relatively less developed than many other regions in Turkey. The other objective of this study was to classify the establishments by using various factors. Correlation, cluster and discriminate analysis were used for classification of these establishments. Twenty-five various factors, collected especially from workers, were analyzed. The study was realized using questionnaire forms, filled in with the face-to-face communication method. As a result, 341 questionnaire forms were filled out in 63 …

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Some Agronomical Characteristics Of Doubled Haploid Lines Produced By Irradiated Pollen Technique And Parental Diploid Genotypes In Melons, Nebahat Sari, Hali̇t Yeti̇şi̇r Jan 2002

Some Agronomical Characteristics Of Doubled Haploid Lines Produced By Irradiated Pollen Technique And Parental Diploid Genotypes In Melons, Nebahat Sari, Hali̇t Yeti̇şi̇r

Turkish Journal of Agriculture and Forestry

This study was carried out at the Department of Horticulture, Faculty of Agriculture, Çukurova University in spring 1999 and 2000. In the study, 46 doubled haploid lines produced by irradiated pollen technique and 10 original diploid genotypes were used as plant materials. To investigate inbreeding depression in melons, doubled haploid lines and original diploid parental lines were compared with regard to plant vigor, yield and quality. Various plant growth and fruit characteristics were determined over two years. These were plant main stem height, node number, main stem diameter, earliness and total yield, fruit weight, fruit diameter, fruit length, rind thickness, …

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Selection Of Promising Jojoba (Simmondsia Chinensis Link Schneider) Types In Terms Of Yield And Oil Content, Sali̇h Ülger, Özgür Akdeşi̇r, İbrahi̇m Baktir Jan 2002

Selection Of Promising Jojoba (Simmondsia Chinensis Link Schneider) Types In Terms Of Yield And Oil Content, Sali̇h Ülger, Özgür Akdeşi̇r, İbrahi̇m Baktir

Turkish Journal of Agriculture and Forestry

This experiment was carried out to determine the yield and oil contents of jojoba populations that were derived from a base population raised from seed in Antalya between 1999 and 2001. In the first year 59 types were evaluated, and 19 promising types were determined. In the second and third years experiments were conducted on these 19 types. Chilling, insect and disease damage was not seen during the experiment periods. However, some plants were dead where water ponded after heavy rains. The mature seeds were hand collected after they fell onto the soil in September, and their yield and oil …

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Plant Parasitic Nematode Species Of Tylenchida (Nematoda) Associated With Sesame (Sesamum Indicum L.) Growing In The Mediterranean Region Of Turkey, İlker Kepenekci̇ Jan 2002

Plant Parasitic Nematode Species Of Tylenchida (Nematoda) Associated With Sesame (Sesamum Indicum L.) Growing In The Mediterranean Region Of Turkey, İlker Kepenekci̇

Turkish Journal of Agriculture and Forestry

Plant parasitic nematodes (Tylenchida: Nematoda) found on sesame (Sesamum indicum L.) growing in the Mediterranean region of Turkey were examined faunistically and taxonomically. This study was carried out in two provinces (Antalya and İçel) important for the cultivation of sesame during the summer of 1998. Samples were taken from 20 different sesame fields and examined in the laboratory. By the end of our research 23 species were identified. Two of these (Helicotylenchus abunaamai Siddiqi and Paratylenchus rotundicephalus Bajaj) are species which have never been recorded in Turkey. Their identification, distribution in the Mediterranean region, and morphological and morphometric characteristics are …

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The Possibilities Of Using Pheromone Traps And Total Thermal Summation In Estimating Adult Emergence Of Pectinophora Gossypiella (Saund.), A Pest Of Cotton Growing Areas In Amik Plain, Cafer Mart, Oğuzhan Doğanlar, Şener Tarla Jan 2002

The Possibilities Of Using Pheromone Traps And Total Thermal Summation In Estimating Adult Emergence Of Pectinophora Gossypiella (Saund.), A Pest Of Cotton Growing Areas In Amik Plain, Cafer Mart, Oğuzhan Doğanlar, Şener Tarla

Turkish Journal of Agriculture and Forestry

In 1996-1999, studies on the utilization of pheromone traps for the estimation of adult emergence and the observation of the seasonal population dynamics of Pectinophora gossypiella (Saund.), which tends to spread in cotton growing areas, and on the determination of day-degree values for its biological stages were carried out in Amik Plain. It was found that adult emergence of the overwintering generation first occurred between late April and early May and lasted for 2-2.5 months. The effective total summation for first adult emergence was 136.43, 137.43 and 186.95 day-degree, and that for maximum adult emergence was 570.80, 460.23 and 479.35 …

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Induction Of Phytoalexin Accumulation In Broad Bean (Vicia Faba L.) Cotyledons Following Treatments With Biotic And Abiotic Elicitors, Soner Soylu, Mark H. Bennett, John W. Mansfield Jan 2002

Induction Of Phytoalexin Accumulation In Broad Bean (Vicia Faba L.) Cotyledons Following Treatments With Biotic And Abiotic Elicitors, Soner Soylu, Mark H. Bennett, John W. Mansfield

Turkish Journal of Agriculture and Forestry

Broad bean (Vicia faba) cotyledons that were inoculated artificially with fungal pathogens or exposed to various abiotic agents were analysed for phytoalexin production. Biotic elicitors, such as Botrytis cinerea and B. allii, and abiotic elicitors, such as ultraviolet (UV) radiation (254 nm) and freezing-thawing, were used to induce phytoalexin accumulation. Wyerone and other wyerone derivatives were the major phytoalexins responding in broad bean cotyledons. The quantities of wyerone within elicitor-treated tissues were examined by thin layer chromatography. The highest amount of wyerone was induced by B. cinerea (943 \mug/g fresh weight). Treatment of cotyledons with UV radiation (452 \mug/g f.wt), …

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The Effect Of Wheat Straw, Corn Straw And Tobacco Residues On Denitrification Losses In A Field Planted With Wheat, Ali̇ Coşkan, Mustafa Gök, Işik Onaç, İlker İnal, Turan Sağlamti̇mur Jan 2002

The Effect Of Wheat Straw, Corn Straw And Tobacco Residues On Denitrification Losses In A Field Planted With Wheat, Ali̇ Coşkan, Mustafa Gök, Işik Onaç, İlker İnal, Turan Sağlamti̇mur

Turkish Journal of Agriculture and Forestry

A field experiment was conducted to determine the effects of different organic residues (OR) (e.g., wheat straw corn straw and tobacco residues) on nitrogen mineralization and denitrification loss (N_2O-N) using application rates recommended to local farmers. Nitrate and ammonium analyses were carried out on periodically collected soil samples. In-situ denitrification loss was determined using the acetylene inhibition technique (AIT). The results revealed that OR application increased N mineralization significantly. In the favorable conditions for nitrification and intensive mineralization period, NO_3^--N accumulation at 0-60 cm depth peaked at 163.0, 177.7 and 226.6 kg N ha^{-1} in plots with wheat straw, corn …

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An Evaluation Of Physically Based And Empirically Determined Evapotranspiration Models For Nursery Plants, Hali̇l Kirnak, R. C. Hansen, H. M. Keener, Ted Henry Short Jan 2002

An Evaluation Of Physically Based And Empirically Determined Evapotranspiration Models For Nursery Plants, Hali̇l Kirnak, R. C. Hansen, H. M. Keener, Ted Henry Short

Turkish Journal of Agriculture and Forestry

A lysimeter study was conducted to determine the evapotranspiration (ET) rates of Red Sunset red maple (Acer Rubrum 'Red Sunset') nursery trees under outdoor conditions in August and September 1997. The average ET rate was 0.084 mm day^{-1}. This measured ET rate was compared with calculated ET rates based on four physical ET (i.e., Penman, Penman-Monteith, Stanghellini and Fynn) and two empirically determined ET models (vapor pressure deficit (VPD) and solar radiation based empirical ET models). The Penman-Monteith and Penman models overestimated the measured ET rate by 15% and 31%, respectively while the Stanghellini and Fynn models underestimated the measured …

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Determination Of Relationships Between Various Aerodynamics, Physio-Mechanical And Fiber Properties In Cotton, Mustafa Bülent Coşkun Jan 2002

Determination Of Relationships Between Various Aerodynamics, Physio-Mechanical And Fiber Properties In Cotton, Mustafa Bülent Coşkun

Turkish Journal of Agriculture and Forestry

The relationships between aerodynamic properties such as vacuum pressure and suction speed and the fiber and physio-mechanical properties of cotton during harvesting were determined by using the Nazilli 84 cotton variety. Aerodynamic properties such as vacuum pressure and suction speed and physio-mechanical properties such as wet and dry lock masses, lock moisture, number of seeds per lock, carpel openness, carpel depth, carpel angle and force of lock break-off were measured. In addition fiber length, fiber strength, fiber elongation and fiber fineness were determined. The statistical relationships between the aerodynamic, physio-mechanical and fiber properties were also determined. It was observed that …

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Federally Owned Rangelands: Are There New Grounds For Common Ground?, Mark Rey Jan 2002

Federally Owned Rangelands: Are There New Grounds For Common Ground?, Mark Rey

USDA Forest Service / UNL Faculty Publications

Today, we have recreated the range wars, using less violent, twentyfirst century means, but involving equally passionate views and similarly implacable foes. While some advocates vigorously defend a historic land use, others argue with increasing vehemence for sharp reductions-or even a complete cessation-of such uses, dismissing an entire lifestyle as nihilistic. In the face of such apparently intractable antagonism, some have predicted, with unseemly enthusiasm, the eventual sunset of federal land grazing. Others have advanced the seemingly enlightened idea of buying federal grazing leases as a better approach to improving publicly-owned range habitats.

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