Download or read book Some Effects of Nitrogen Fertilization on Triticum Aestivum L Em Thell written by Atiquallah Aiar and published by . This book was released on 1973 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Molybdenum Nitrogen and Phosphorus Fertilization of Wheat Triticum Aestivum L Em Thell in Arkansas written by Mohammad Reza Majedi and published by . This book was released on 1985 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response of Winter Wheat Triticum Aestivum L Em Thell to Nitrogen and Chloride Fertilization in the Presence of Take all Root Rot Gaeumannomyces Graminis Var Tritici Walker written by Mohamed El Hadi Maatougui and published by . This book was released on 1984 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Response from nitrogen and chloride fertilization was measured in field experiments on winter wheat (Triticum aestivum L. Em. Thell. var. 'Stephens' and 'Yamhill') grown in western Oregon in an environment with a range of susceptibility to take-all root rot (Gaumannomyces graminis var. tritici Walker). Cropping sequences and expected disease severity considered in the study were: first year wheat after clover (low risk of severe take-all root rot: Nixon I experiment), second year wheat with high disease infection in the previous crop (high risk of severe take-all root rot: Keyt II experiment), second year wheat with low disease infection in the previous crop (moderate risk of severe take-all root rot: Nixon II and Coon experiment), third year wheat (high risk of severe take-all root rot: Jones experiment), fifth year wheat (high risk of severe take-all root rot: Keyt II experiment), and eighteenth year wheat (take-all decline established: the pathogen is present in the soil but does not cause damage, Evers experiment). Nitrogen treatments were applied at 0, 67, 134, and 202 kg/ha in all experiments where wheat followed wheat and at 0, 45, 90, and 134 kg/ha in the experiment where wheat followed clover. Chloride treatments were applied at 0, 45, and 90 kg/ha in all experiments and a rate of 134 kg C1/ha was also used on the Jones experiment. Nitrogen was predominantly supplied from urea while ammonium chloride supplied chloride and ammonium sulfate supplied the crop requirement for sulfur (about 20 kg/ha). Fertilizers were top-dressed in split application with chloride and sulfur containing fertilizers applied first (February) and urea applied later (March) in all experiments but those conducted in the Nixon farm where a single fertilizer was applied in March. Crop response was measured through the effects of N and c1 treatments on dry matter production, plant nitrogen content, plant nitrogen uptake and plant percent nitrogen recovery, as well as grain yield, yield components, grain nitrogen content, grain protein content, grain nitrogen uptake, and grain percent nitrogen recovery. The results of the study strongly indicated that take-all root rot was only a problem in the Jones, Keyt I, and Keyt II experiments and was most severe in third year wheat (Jones experiment). This also was the only experiment with significant (p = 0.05) response from rates of 202 kg N/ha. Nitrogen fertilization was the main factor that greatly influenced the levels of the variables studied while chloride fertilization generally did not have a significant (p = 0.05) influence. 134 kg N/ha was generally the rate accounting for the best levels of each variable studied in all experiments except in the Jones experiment as precised earlier. Crop response was also affected by a relatively long 'dry' period (April 20th to June 20th), particularly in the experiment where take-all root rot was a problem. Levels of the variables studied accounted for by the optimum rates of N were consistently higher in the experiments where take-all root rot was not a problem than where it was a problem by the following amounts: dry matter yields-17%, plant nitrogen contents-18%, plant nitrogen uptake levels-30%, plant nitrogen recoveries-28%, grain yields-22%, grain nitrogen contents-only 4%, grain protein contents-only 2%, grain nitrogen uptake levels-26%, grain nitrogen recoveries-18%, and spikes/m2-24%.
Download or read book Effects of Nitrogen Fertilization Level on the Quality of Wheat Triticum Aestivum L Seed written by Louhichi Brinis and published by . This book was released on 1982 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Nitrogen Fertilizer and Two Drilling Methods on the Development Yield and Grain Quality of Wheat Triticum Aestivum L Thell written by Abdu Addahir Sajo and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Crops and Fertilizer on Soil Nitrogen Carbon and Water Content and on Succeeding Wheat Yields and Quality written by C. K. Mutchler and published by . This book was released on 1975 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Timing of Nitrogen Fertilization on Plant Development in Triticum Aestivum written by Mansur A. Habil and published by . This book was released on 1984 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Studies on the Effect of Date of Sowing and Nitrogen Fertilization on the Performance of Four Mexican Wheat Triticum Aestivum L Varieties written by G. Bojji Reddy and published by . This book was released on 1972 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fertilizer Abstracts written by and published by . This book was released on 1972 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the 9th National Conference on Wheat Utilization Research Seattle Washington October 8 10 1975 written by and published by . This book was released on 1976 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the National Conference on Wheat Utilization Research Seattle Washington Oct 8 10 1975 written by and published by . This book was released on 1976 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a forum for exchanging information and ideas as well as for discussing problems related to production, handling, processing, and merchandising of wheat.
Download or read book Iron and Zinc Translocation from Senescent Leaves to Grains of Wheat Triticum Aestivum Cv Akteur in Response to Nitrogen Fertilization and Citric Acid Application written by Nunun Barunawati and published by . This book was released on 2012 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ARS NC written by United States. Agricultural Research Service and published by . This book was released on 1976 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Nitrogen on Yield and Grain Quality of Wheat Triticum Aestivum L Grown on a Red brown Earth Soil written by Joseph Adjei Adjetey and published by . This book was released on 1991 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Plant Density Nitrogen and a Growth Regulator on Wheat Triticum Aestivum L Em Thell Development and Productivity written by David Lee Ferguson and published by . This book was released on 1984 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effect of Nitrogen Fertilization of Wheat Triticum Spp on Chemical and Biochemical Composition and Performance of Seeds written by Adriel Edgardo Garay and published by . This book was released on 1975 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: High protein wheat seeds frequently perform better than low protein seeds of the same variety. Protein content of seeds can be increased by management practices, the most important of which is rate and timing of N applications. The purpose of this study was to determine the chemical, biochemical and physiological changes that occur in seeds as a result of nitrogen fertilization, and to relate these changes to seed performance. Seeds of Yamhill, Paha and Hyslop soft white winter wheat were produced with N applications of 0 to 450 kg/ha. Applications were made at planting, flower initiation, and anthesis. Supplemental irrigation was supplied. Applications of 150 and 300 kg N /ha increased the grain yield and protein yield per hectare, seed size, and percent and amount of protein per seed of Yamhill wheat. N applications caused several biochemical changes in the food reserve of the seeds. These included increases in the amounts of gluten, each amino acid studied and free amino acids. The amount of soluble sugars decreased slightly and starch remained constant with high rates of N.N also caused several biochemical changes in embryos. These included increases in: free amino acids and soluble sugars; protein concentrations and amount per embryo; ADP, ATP and energy charge. Regardless of protein concentration, the quantities of solubles and adenylate phosphates were higher in larger embryos. Biochemical changes in seedlings associated with N applications and higher protein content included: more sugars and free amino acids; higher amounts of ATP, ADP and total AP; and faster rate and higher net translocation of food reserves. Small seeds contained a higher concentration of ash, some mineral elements, soluble sugars and free amino acids. The total amount of these compounds per seed, however, was related to protein content and seed size. The large seeds with high protein concentration produced seedlings with the highest ADP, ATP and total AP content, energy charge and growth potential. Smaller seeds absorbed water and germinated faster than larger seeds. Seedlings from small seeds produced longer roots and shoots during the early stages of growth, but their growth rate was slower at later stages. High protein seeds of Hyslop, Paha and Yamhill outyielded low protein seeds by 12 to 17%. Yield differences were obtained when N was added to the crop, but not in the absence of added N. These and other studies indicate the potential for improving wheat seed and quality by applying specialized management practices for seed production rather than managing for grain production.
Download or read book The Nitrogen Fertilization of Winter Wheat Triticum Aestivum L written by N. S. Murali and published by . This book was released on 1982 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
