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为改变退耕还林中林木种植结构单一、生产周期长、效益低的问题,进行林药间作,以科学利用林地空间,达到以短养长、提高效益的目的。
In order to change the single tree planting structure, long production cycle and low benefit in the conversion of cropland to forest, forest and drug intercropping should be carried out to make scientific use of forest land space to achieve short growth and benefit.