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[1]CHEN Gao-qi,FU Wa-li,ZHANG Ting,et al.Comparative Study on Nutrient Characteristics of Several Crops’ Rhizosphere and Non-rhizosphere Soils in Lime Soil Area—A Case Study of Zhongliang Mountain, Chongqing City[J].Research of Soil and Water Conservation,2014,21(01):104-109,116.

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Comparative Study on Nutrient Characteristics of Several Crops’ Rhizosphere and Non-rhizosphere Soils in Lime Soil Area—A Case Study of Zhongliang Mountain, Chongqing City

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 01 Page number: 104-109,116 Column: Public date: 2014-02-28

Title:: Comparative Study on Nutrient Characteristics of Several Crops’ Rhizosphere and Non-rhizosphere Soils in Lime Soil Area—A Case Study of Zhongliang Mountain, Chongqing City

Author(s):: CHEN Gao-qi, FU Wa-li, ZHANG Ting, WEN Zhi-lin, WU Yu-chun; School of Geographical Sciences, Southwest University, Chongqing 400715, China

Keywords:: lime soil; rhizosphere soil; non-rhizosphere soil; nutrient content; rhizosphere effect

CLC:: S158.3

DOI:: -

Abstract:: Taking the lime soil area in Zhongliang Mountain, Chongqing City as a case, five kinds of crops-Lactucapsativap L.var.asparaginap Bailey, Brassica compestris, Brassica pekinensis, Brassica narinosa, Citrus reticulata were selected, by way of field sampling and laboratory analysis to investigate the nutrient contents, namely, total nitrogen, hydrolyzable nitrogen, total phosphorus, available phosphorus, total potassium and available potassium of their rhizosphere and non-rhizosphere soils, and the pH value and the content of organic matter. The results show that there are significant differences between nutrient contents, the pH values and the contents of organic matter in rhizosphere and non-rhizosphere soils(p<0.05). Among the five crops, only the available phosphorus of orange trees’ rhizosphere soil is insufficient, and nutrient contents of the other crops’ rhizosphere soils are all higher than non-rhizosphere soil, having enrichment phenomenon in various degrees. Besides, the five kinds of crops’ pH values of rhizosphere soils are all lower than their non-rhizosphere soil and the organic matter contents of rhizosphere soils are all obviously higher than those of the non-rhizosphere soils.

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