以期找出适宜当地推广的保护性耕作模式，为粮食生产提供技术支持。
Result to identifying suitable the conservation tillage patterns for local promotion, and to provide technical support for food production.
如果继续采用传统耕作模式，将会需要更多土地才能栽种足够的食物来养活这些人。
More land will be needed to grow enough food to feed them if traditional farming practices continue.
从旱地耕作模式和耕作技术等方面对旱作农业优质高效耕作技术进行了探索和研究。
The high efficiency cultivation technique for upland farming is probed into the upland farming model and cultivation technique aspects.
从旱地耕作模式和耕作技术等方面对旱作农业优质高效耕作技术进行了探索和研究。
The high efficiency cultivation technique for upland farming is probed into the upland farming model and cultivation technique aspects.
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