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: 1-6 共查到土壤学 crop rotation相关记录6条 . 查询时间(0.062 秒)
The uptake of Pb, Cd, Zn and biomass production of the plants Brassica juncea v. Opaleska, Triticale hexaploides var. Gabo and Helianthus annuus v. Maritza were observed in a field (trial) and a pot e...
Soil organic carbon (SOC) plays a vital role in determining soil fertility, water holding capacity and susceptibility to land degradation. On the Chinese Loess Plateau, a large amount of crop residues...
The ecological crop rotation in the present trial has been established as a 10-field rotation. The crop sequence was based on calculation of how much of the nutrients does one or another crop take...
The experiment with the crop rotation: winter wheat, pea, corn, spring barley and cow-grass were founded in 2001-2004. We examined the effect of the preceding crop, the soil cultivation and fertilizat...
The nutrient balance of five crop rotation systems under conventional and minimal tillage with interaction of different fertilization treatments was investigated at the experimental station of Slovak ...
In this study, the Collembola population and their seasonal fluctuations were measured on light-textured field soils (Cambic Arenosol and Stagnic Luvisol) in Southern Estonia. A ten-year-old field exp...

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...