Liu Y H,Yu Z L,Zhang F R et al.Dynamic change of soil organic matter and its affecting factors at county level[J].Plant Nutr.Fert.Sci.,2005,11(3):294-301.

 
  • [3]刘云惠;宇振荣;张风荣;等.;县域土壤有机质动态变化及其影响因素分析[J];植物营养与肥料学报;2005;11(3):294-301
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