]*>","")" /> Preliminary Study on Transportation Pattern of Soil Nutrient Covered with Wide Film
Xinjiang Agricultural Sciences

• Article • Previous Articles     Next Articles

Preliminary Study on Transportation Pattern of Soil Nutrient Covered with Wide Film

  • Received:2002-06-25 Revised:2002-06-25 Online:2002-06-25 Published:2002-06-25

宽膜覆盖下土壤养分运移规律的初步研究

徐万里;钟新才;马兴旺   

  1. 新疆农科院土壤肥料研究所,新疆乌鲁木齐,830000





摘要： 研究表明:(1)覆膜栽培可促进有机质和全氮的累积.(2)宽膜栽培与窄膜栽培、露地栽培相比较,能更有效的促进棉花吸收利用氮磷钾等速效养分,有机质、全氮的累积趋势更明显,速磷的累积趋势下降.(3)宽膜栽培在施肥和管理配套的基础上,膜幅有进一步扩宽的可能.