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垄作免耕下稻田土壤团聚体和水热状况变化的研究
引用本文:魏朝富,高明,车福才,邓春.垄作免耕下稻田土壤团聚体和水热状况变化的研究[J].土壤学报,1990,27(2):172-178.
作者姓名:魏朝富  高明  车福才  邓春
作者单位:西南农业大学土化系;西南农业大学土化系;西南农业大学土化系;西南农业大学土化系
摘    要:本文研究了垄作免耕下稻田土壤团聚体和水热状况的变化.结果表明:垄作免耕下的稻田土壤,<0.01mm土粒团聚度有增大的趋势,其中>0.01mm无机微团聚体和>0.01mm级铁、铝-有机微团聚体所占的比例表现为不同程度的提高,而>0.01mm级钙、镁-有机微团聚体显著下降;土壤水热状况处于新的协调状况促进了土壤潜在肥力的发挥.

关 键 词:稻田垄作免耕  土壤团聚体  水热状况

STUDY ON SOIL AGGREGATE AND SOIL MOISTURE-THERMAL REGIME IN PADDY FIELD UNDER NO-TILLAGE AND RIDGE CULTURE
Wei Chaofu,Gao Ming,Che Fucai and Deng Chun.STUDY ON SOIL AGGREGATE AND SOIL MOISTURE-THERMAL REGIME IN PADDY FIELD UNDER NO-TILLAGE AND RIDGE CULTURE[J].Acta Pedologica Sinica,1990,27(2):172-178.
Authors:Wei Chaofu  Gao Ming  Che Fucai and Deng Chun
Institution:Department of soil science and Agrochemistry, Southwest agricultual university;Department of soil science and Agrochemistry, Southwest agricultual university;Department of soil science and Agrochemistry, Southwest agricultual university;Department of soil science and Agrochemistry, Southwest agricultual university
Abstract:Study on soil aggregate and soil moisture-thermal regime in paddy field under no-tillage and ridge culture was carried out in east Sichuan Province in 1985-1987.The results indicared that under no-tillage condition of paddy soil the aggregates of <0.01 mm tended to be increased in the aggregates the mineral microaggregates and Fe,A1-organic microaggregates of<0.01 mm increased in varous extent while Ca,Mg-organic microaggregate of <0.01 mm signicantly decreased.Under such condition,the soil was in a new and harmonic state,which would accelerate the promotion of potential soil fertility.
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