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- W2388601317 abstract "[Objective] The purpose was to study the effects of different measures of moisture-retaining irrigation on the distribution and accumulation of nitrate nitrogen in the soil for summer maize.[Method] With maize as tested materials,under the irrigation amount of 0,600,1200 m3/hm2,the field experiments were carried out to study the effects of plastic film mulching,straw mulching,PAM processing and non-coverage treatment(CK) on the distribution and accumulation of nitrate nitrogen in soil when summer maize harvested.[Result] When summer maize harvested,the nitrate contents in all treatments were decreased basically with the increase of the depth of soil under the non-irrigated conditions,while the accumulation convex peaks of nitrate nitrogen appeared in the soil at 50-70 cm under the irrigation conditions.With irrigation or not,the order of the nitrate content in soil at 0-100 cm for all treatments was PAM processingCKplastic film mulchingstraw mulching.With the same moisture treatments,the accumulation amounts of nitrate nitrogen in the soil at 0-40 cm were all reduced along with the increase of irrigation,and that in the soil at below 60-70 cm was opposite.[Conclusion] The study provided the theoretical guidance and technical support for the fertilization of next stubble crops." @default.
- W2388601317 created "2016-06-24" @default.
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- W2388601317 date "2009-01-01" @default.
- W2388601317 modified "2023-09-27" @default.
- W2388601317 title "Study on the Distribution and Accumulation of Nitrate Nitrogen in Soil under Moisture-retaining Irrigation" @default.
- W2388601317 hasPublicationYear "2009" @default.
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