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Position: Home > Articles > Effect of long-term application of compost on some chemical properties of wheat rhizosphere and non-rhizosphere soils. Pedosphere 1996,6 (4)

Effect of long-term application of compost on some chemical properties of wheat rhizosphere and non-rhizosphere soils.

作  者:
Shen Alin;Li XueYuan;Kanamori T;Arao T;Shen A;Li XY
单  位:
;Soil and Fertilizer Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China.
关键词:
application rates;long term experiments;carbon nitrogen phosphorus ph calcium cations wheat rhizosphere soil chemistry;chemical properties;manures composts andosols fertilizers triticum japan
摘  要:
Different rates of compost were applied to artificial field plots of a low humic Andosol in Japan for 15 or 28 years, and their effects on the chemical properties of wheat rhizosphere soil and non-rhizosphere soil measured. Continuous application ofcompost for 28 years resulted in an increase in soil C, N, P, pH, and exchangeable bases. The build up of organic matter in the soil occurred slowly. A residual effect of the compost on soil chemical properties was still present after 13 years of no application, but this effect was weaker in comparison with that of the continuous application. In the rhizosphere soil, NaHCO3-extracted P and exchangeable Ca were higher than those in the bulk soil. The removal of free organic acid slightly affected the soil pH, especially in the rhizosphere soil. The increase in soil pH resulted from an increase in exchangeable bases through the application of compost.

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