Rhizospheric effects of organic material on coastal saline soil in Huanghe River Delay Ⅰ. Effect on soil nutrient and enzyme activity

Abstract

Abstract: In this paper, rhizobox method is used to study the effect of composted organic materialon soil nutrient and enzyme activity in paddy rice rhizosphere of coastal saline soil.Theresults show that the application of organic material can increase the contents of soil available N, P, K, Fe and Zn, activate the activity of soil enzyme, especially of rhizosphericinvertase, alkaline phosphatase and urease, accelerate the metabolism of soil organic carbon, nitrogen and phosphorus, enhance the nutrient uptake by rice plant and its salt tolerance.

Key words: Organic material, Coastal saline soil, Nutrient, Enzyme activity

Wu Longhua, Zhang Sujun . Rhizospheric effects of organic material on coastal saline soil in Huanghe River Delay Ⅰ. Effect on soil nutrient and enzyme activity[J]. Chinese Journal of Applied Ecology, 1995, 6(2): 160-165.

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