连作年限
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大豆轮作-连作
Rotation continuous cropping
连年作业
Annual working
连年作业平均收利率
Mean annual rate of interest for annual working
连作连种
continuous cropping
林业连年作业利益
Profit of forestry for annual working
轮作—连作
Rotation and continuous cropping
耕作年限
Cultivation age
Cultivation history
工作年限
working life
work duration
working years
工作年限损失
backward learning algorithm
合作年限
duration of the cooperative operation
轮作年限
Period of crop rotation
rotation years
设计使用年限100年
Design Useful Life of 100 Years
长期连作
long term monoculture
Long-term monoculture
Long term mono-cropping
串连连接
cascade connection
大豆连作
soybean continuous cropping
Continuous soybean cropping
Continuous soybean
大豆连作障碍
Soybean monocropping barriers
大豆重茬和连作
soybean continuous cropping
稻稻连作
rice-rice rotation
稻—稻连作制
continuous rice-rice cropping system
稻麦连作
Rice-wheat continuous cropping
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