农学 >>> 作物学 >>> 作物耕作学 >>>
搜索结果: 1-2 共查到作物耕作学 crop rotations相关记录2条 . 查询时间(0.062 秒)
Major cropping sequences with three crops (MCS3) were classified in the previous report. In this report, crop rotations were identified by means of linking with MCS3, and the observed area ratios of t...
Cropping surveys were conducted on three soil types (each point was 120 ha in area) in the central region of Tokachi district over a period of 8 years. In each point, survey maps for every year were d...

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...