农学 >>> 土壤学 >>> 土壤耕作学 >>>
搜索结果: 1-3 共查到土壤耕作学 THE CHANGES相关记录3条 . 查询时间(0.156 秒)
The changes of soil pH in long-term 14-year field experiments with different fertilizing systems are described. The field experiments were located at four sites of the Czech Republic with different so...
Quantitative and qualitative soil organic matter properties were observed in a specific large area experiment (Chernozem – Gross Enzersdorf, Austria) and in a medium-term field experiment (Cambisol – ...
Experimental evidence suggests that calcareous sediment and limestone declined soil acidity, whereas organic and siliceous sediments had no effect on soil acidity. Only the higher rate of organic (40 ...

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...