农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-7 共查到农学 nitrogen fertilizers相关记录7条 . 查询时间(0.093 秒)
Crop yields have increased substantially over past decades, along with increasing use of nitrogen fertilizer. While nitrogen fertilizer benefits crop growth, it has negative effects on the environment...
In order to clarify the inter-hill competition at the maturing stage. Using the tracer 15N method. The growth characteristics of rice plants (Oryza Sativa L., cv. Suweon no. 258 and TKM-6) grown in po...
Investigations were carried out on the characters of rachilets, grains and grain weight per panicle of the growing rice plant cv. Shimokita under different planting density and nitrogen fertilizer no...
abstract50 cm increased and the slaking resistance decreased on those plots. The other soil structural properties determined were not significantly affected. The reason behind these unexpected finding...
The aim of this study is to evaluate the minimizing of mineral nitrogen fertilization through using humic acid (HA) and organic source [composted municipal solid waste (MSW)] with or without bioferti...
Impact of atrazine and nitrogen fertilizers on the sorption of chlorotoluron in soil and model sorbents
A fi eld trial to determine the effect of different nitrogenous (N) fertilizers on growth, yield and quality of hybrid rice variety ‘Proagro 6207’, comprising of 10 different treatments using randomiz...

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...