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当前位置: 首页 > 文章 > 长期施氮、磷、钾化肥对玉米产量及土壤肥力的影响 植物营养与肥料学报 2007,13 (5) 789-794
Position: Home > Articles > Effects of long-term nitrogen,phosphorus and potassium fertilizer applications on maize yield and soil fertility Journal of Plant Nutrition and Fertilizers 2007,13 (5) 789-794

长期施氮、磷、钾化肥对玉米产量及土壤肥力的影响

作  者：
刘恩科;赵秉强;胡昌浩;李秀英;李燕婷
单  位：
中国农业科学院农业资源与农业区划研究所;山东农业大学农学院
关键词：
无机肥料;玉米产量;土壤肥力;长期施肥
摘  要：
以1990年建立的国家褐潮土土壤肥力与肥料效益长期监测基地(北京昌平站)的长期肥料定位试验为研究平台,研究了不同施肥制度对玉米产量和土壤肥力的影响。结果表明,长期均衡地施NPK肥或NPK与有机肥配施,可以显著提高玉米产量和土壤有机质、全氮、全磷、速效氮、速效磷、速效钾等肥力指标,并能提高土壤微量元素的含量;而不均衡施肥(N、NK、NP、PK)导致相应的营养元素的耗竭。相关分析表明,在褐潮土上增施磷肥和有机肥对提高玉米产量具有重要的作用。
译  名：
Effects of long-term nitrogen,phosphorus and potassium fertilizer applications on maize yield and soil fertility
作  者：
LIU En-ke1,ZHAO Bing-qiang1,HU Chang-hao2,LI Xiu-ying1,LI Yan-ting1(1 Agricultural Resources and Regional Planning,CAAS,Beijing 100081,China;2 Agronomy College,Shandong Agricultural University,Taian 271018,China)
关键词：
inorganic fertilizers;maize yield;soil fertility;long-term fertilization
摘  要：
A study on crop yield and soil fertility with different fertilization systems were carried out based on a 13-year fertilizer experiment in Drab Fluvoaquic soil in Beijing.At this site,13 different treatments were established in 1990.Seven treatments were chosen for this study: CK(no fertilizer application),N,NK,NP,PK,NPK and NPKM(NPK with farm yard manure).The amount of chemical fertilizer per year was N 150 kg/ha,P2O5 75 kg/ha,K2O 45 kg/ha and manure 22.5 t/ha.The results indicted that crop yields of NPK and NPKM treatments were greater than other treatments.Soil organic matter,total N and P,available N,P and K and microelement contents were increased in NPK and NPKM treatments.On the contrary,total N and P were exhausted in the treatments without N and P fertilizers.Available P and K had the same variation trend in the treatments without P and K fertilizers.The phosphorus fertilizer and farmyard manure had the best effects on maize yield in Drab Fluvo-aquic soil.

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