Effect of potassium nutrition of rice on rhizosphere redox status

  title={Effect of potassium nutrition of rice on rhizosphere redox status},
  author={Jixing Chen and Jiaxiang Xuan and Chenglin Du and Jianchang Xie},
  journal={Plant and Soil},
With four soils differing in K supplying power and with four rice cultivars (Oryza sativa L.) differing in K uptake kinetic parameters, the relationship between K fertilizer application and soil redox status in rhizosphere and; the distribution of ferrous iron and other toxic substances on the root surface and in the rhizosphere; and the effect of K supply on uptake of reduced iron by rice plants have been studied. The results show that K application on K-deficient soils reduced the content of… CONTINUE READING


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