摘要： 通过对北京褐潮土土壤肥力和肥料效益监测基地10年定位微区试验的调查分析表明:在土壤肥力水平较低的情况下施用氮、磷、钾化肥及氮磷钾化肥与有机物料配施,具有显著提高粮食产量的作用,并较大幅度提高土壤有机质含量;随着有机物料施用量的增加,效果更为明显.有机物料效果以有机肥最佳,其次为小麦秸秆,玉米秸秆与化肥配施效果与单一施化肥相近.

关键词: 氮, 磷, 钾, 有机物料, 子粒产量, 土壤有机质

Abstract: Based on the soil fert ility and fert ilizer effect of Beijing brown chao soil in the way of micro-trial of winter wheat-summer maizer continuous cropping, the annual grain yield and the ten-year soil organic matter change show that the crops yield, soil organic matter and soil fertility can be improved significantly by using N P K chemical fertilizers together with organic material under lower soil fertility. The effect can be greater with organic material increasing. The effect of using organic material is best, the second is using wheat straw. The effect of maizer straw combined with chemical fertilizers is similar to that of chemical fertilizers.

Key words: N, P, K, Organic material, Grain yield, Soil organic matter

中图分类号: 

• S13.6