搜索筛选:
搜索耗时1.6050秒,为你在为你在102,285,761篇论文里面共找到 4 篇相符的论文内容
发布年度:
The mechanism of farmland marginalization in Chinese mountainous areas:Evidence from cost and return
[期刊论文] 作者：LI Shengfa,LI Xiubin,
来源：黑龙江科技学院学报 年份：2019
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Inter-provincial Differences in Rice Multi-cropping Changes in Main Double-cropping Rice Area in Chi
[期刊论文] 作者：WANG Renjing,LI Xiubin,TAN Min,
来源：中国地理科学:英文版 年份：2019
Since the early 1980 s, the multi-cropping index for rice has decreased significantly in main double-cropping rice area in China, which is the primary double-cr...
Paddy rice multiple cropping index changes in Southern China:Impacts on national grain production ca
[期刊论文] 作者：JIANG Min,LI Xiubin,XIN Liangj,
来源：黑龙江科技信息 年份：2019
本文通过对荣华二采区10...
Inter-provincial Differences in Rice Multi-cropping Changes in Main Double-cropping Rice Area in Chi
[期刊论文] 作者：WANG Renjing,LI Xiubin,TAN Minghong,XIN Liangjie,WANG Xue,WANG Yahui,JIANG Min,,
来源：Chinese Geographical Science 年份：2019
Since the early 1980 s, the multi-cropping index for rice has decreased significantly in main double-cropping rice area in China, which is the primary double-cropping rice(DCR) production area. This d...
相关搜索：
