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土壤圈(英文版)
1995,5
(1)
Position: Home > Articles > Evaluation of K-Supplying Power of Soils and Their Particle Fractions by Electro-Ultrafiltration(EUF)
Pedosphere
1995,5
(1)
Evaluation of K-Supplying Power of Soils and Their Particle Fractions by Electro-Ultrafiltration(EUF)
作 者：
ZHENG WEN-JUAN;BAO SHI-DAN
单 位：
Nanjing Agricultural University, Nanjing 210095 (China);
关键词：
biological experiment;clay minerals;euf-k;particle composition
摘 要：
The results from comparative study of the EUF-K values of four different soils and of their various particle fractions (< 2mum, 2—lOmum and 10—50mum) showed that the EUF-K values were related to the composition of clay minerals and the soil particlesize. The EUF-K values (0—35 min) were closely related to the amount of rapidly available K and part of non-exchangeable K of soils. Biological experiments proved that EUF technique was an effective method for evaluating soil K-supplying power.
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