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阐述了甘肃省主要耕种土壤N、P、K及微量元素的养分丰缺状况及施肥效应,并展望了今后研究的方向。
The nutrient abundance and deficiency status and fertilization effect of N, P, K and trace elements of major cultivated soils in Gansu Province were expounded, and the future research directions were prospected.