农学 >>> 土壤学 >>> 土壤生态学 土壤物理学 土壤化学 土壤地理学 土壤生物学 土壤耕作学 土壤改良学 土壤肥料学 土壤分类学 土壤调查与评价 土壤学其他学科 农业资源利用
搜索结果: 1-10 共查到土壤学 N accumulation相关记录10条 . 查询时间(0.125 秒)
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...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...