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In Hokuriku area, the field converted from heavy clay paddy is often wet, but most of soybean is cultivated in such fields. Soybean differentiates flower buds in the rainy season, which is from late ...
The Delmarva Peninsula, flanking the eastern shore of the Chesapeake Bay, is home to some 600 million chickens. The resulting poultry manure and some of the chicken house bedding material is usually c...
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...
Defoliation timing affects lint yield and quality of cotton (Gossypium hirsutum L.). A timing method based on heat-unit accumulation was evaluated in replicated field plots in Georgia, Louisiana, Tenn...
When phosphorus (P) is applied to soils in excess of plant P demand, P accumulation takes place. By means of P fractionation, we studied the fate of P in 35 soils that had received long-term surplus P...
期刊信息 篇名 Accumulation and partitioning of phosphorus and heavy metals in a sandy soil under long-term vegetable crop production. 语种 英文 撰写或编译 作者 Zhang,M. K.,Z. L. He,D. V. Calvert,P. J. Stoffella,and X....
期刊信息 篇名 Accumulation and downward transport of phosphorus in Florida soils and relationship to water quality. 语种 英文 撰写或编译 作者 Elrashidi,M. A.,A. K. Alva,Y. F. Huang,D. V. Calvert,T. A. Obreza,and Z. L....
getation pot experiments with spring oats, cultivar Obrazcov Chiflik – 4, were carried out. The plants were grown on four different soil types, typical for Bulgaria: Haplustoll, Udolls, Ustifluvents, ...
Pot experiments were carried out with three triticale cultivars spread in Bulgaria - Rakita, TC-210, AD-7291. The plants were grown on two soil types representative for our country - luvic phaeozem /F...

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