Strom L.Root exudation of organic acids:importance to nutrient availability and the calcifuge and calcicole behavior of plants[J].Oikos,1997,80:459-466.
[2]
Morel C,Hinsinger P.Root-induced modifications of the exchange of phosphate ion between soil solution and soil solid phase[J].Plant and Soil,1999,211:103-110.
[3]
Hanson P J,Edwards N T,Garten C T,et al.Separating root and soil microbial contributions to soil respiration:a review of methods and observations[J].Biogeochemistry,2000,48:115-146.
[4]
Jones D L.Organic acid in the rhizosphere-critical review[J].Plant and Soil,1998,205:25-44.
Liang B C,Mackenzie A F,Schnitzer,et al.Management-induced change in labile soil organic matter under continuous corn in eastern Canadian soils[J].Biol Fertil Soils,1998,26:88-94.
[7]
Zhang L,Song F B.Sorption and desorption characteristics of Cadmium by four different soils in Northeast China[J].Chinese Geographical Science,2005,15:343-347.
Clinton B D,Vose J M.Fine root respiration in mature eastern white pine (Pinus strobus) in situ:the importance of CO2 in controlled environments[J].Tree Physiology,1999,19:475-479.
