Aimming at the problems of poor rainwater storage,poor nutrients,shallow cropping,and easy lodging of crops on arid sloping areas in the north,this paper analyzed soil improvement methods at home and abroad,and made a careful investigation and study on the abundance and deficiency situation about the soil nutrients of typical plots,taking the arid and semi-arid regions of Hebei Province as a representative.At the same time,the mechanized soil improvement technology was proposed,the technical road-map was es...
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