STUDY ON SOIL AGGREGATE AND SOIL MOISTURE-THERMAL REGIME IN PADDY FIELD UNDER NO-TILLAGE AND RIDGE CULTURE
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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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