Water is resourceful in the south of our country, so we lack the researches about agriculture conservation of the southern dry land.
我国南方水资源相对丰富，因而对南方旱地农业保护性耕作研究较少。
Soil dynamic parameters are essential in guiding agriculture production, engineering design for soil and water conservation and irrigation works.
土壤水动力学参数对指导农业生产、水利和水保工程设计是必不可少的。
The paper systematically studied the benefits of soil and water conservation on 4 different models of compound eco-agriculture on dry slope land.
对元谋干热河谷区4种旱坡地生态农业模式的水土保持效益进行了系统的研究。
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