1、
This cropping pattern is grown on about 1.5 million hectares in Pakistan.
巴基斯坦约有150万公顷积土地采用这种种植方式.
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2、
Optimization on High Effect Multiple Cropping Pattern in Irrigated Area of Gansu
甘肃一熟灌区高效农田模式优化筛选
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3、
A study on ecological and economic effects of zoning cropping pattern for tea
茶树宽窄行排列种植法的生态经济效应
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4、
5、
The research of agronomic measure for cropping pattern in wheat and maize
小麦和玉米（20+40）cm种植模式农艺措施的研究
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