红壤性水稻土无机肥连施与土壤结构特性的研究
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EFFECT OF CONTINUOUS APPLICATION OF INORGANIC FERTILIZER ON SOIL STRUCTURE PROPERTIES OF PADDY SOIL DERIVED FROM RED SOIL
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    摘要:

    良好的土壤物理环境,是农业高产稳产的基础。通过9年定位研究阐明,红壤性水稻土无机肥连施特别是偏施,随着有机和无机胶结物质的数量减少,土壤结构性遭受破坏,容重增值,孔隙度降低,水稳性结构破坏率提高,微团聚体分数系数上升,致使土壤紧实,耕性变坏,土壤肥力衰退。无机肥与有机肥配合施用能有效地提高作物产量,改善土壤物理环境,为建立优化施肥结构展示了良好前景。

    Abstract:

    Good soil physical environment is a fundamental for gaining stable and high yields of crops. The return way of organic materials was controlled artificially in the present study. Recults from the nine-year filed location study show that in the case of continuous application of inorganic fertilizers, especially mono-application of inorganic fertilizers, in paddy soil from red soil, the soil structure was damaged, soil became more compact, the filth of soil became worse, the plowpan rose, and the land productivity declined as a result of decrease in the inorganic and organic colloids.

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赖庆旺,李茶苟,黄庆海.红壤性水稻土无机肥连施与土壤结构特性的研究[J].土壤学报,1992,29(2):168-174. Lai Qingwang, Li Chagou, Huang Qinghai. EFFECT OF CONTINUOUS APPLICATION OF INORGANIC FERTILIZER ON SOIL STRUCTURE PROPERTIES OF PADDY SOIL DERIVED FROM RED SOIL[J]. Acta Pedologica Sinica,1992,29(2):168-174.

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  • 在线发布日期: 2013-02-25
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