Its ecological and economical benefit is the focal point at present. 其生態(tài)效益和經(jīng)濟效益是當今研究的熱點(diǎn)。
In all treatments, mowing and covering and returning the livestock's feces to the orchard had the best ecological benefits. 不同土壤管理方式的生態(tài)效益以刈割覆蓋和畜糞還園處理最好。
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