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不同培肥措施对土壤全氮、全磷、碱解氮、速效磷的积累为:有机肥>秸秆还田>草木樨还田>化肥>对照;速效钾的累积增长为秸秆还田居首位,有机肥次之,对照区呈下降趋势。有机物料的培肥效果优于化肥。
The accumulation of total N, total P, available N and available P by different fertilization measures was organic fertilizer> straw returning> returning to field> fertilizer> control; the cumulative increase of available potassium was the first place of returning straw to soil, Fat times, the control area showed a downward trend. Fertilizing organic material is better than fertilizer.