微团聚体的保肥供肥性能及其组成比例在评断土壤肥力水平中的意义
DOI:
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

基金项目:


PERFORMANCES OF SOlL MlCROAGGREGATES IN STORING AND SUPPLYING MOlSTURE AND NUTRIENTS AND ROLE OF THEIR COMPOSITlONAL PROpORTlON IN JUDGING FERTILITY LEVEL
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    本文根据作者对黑土和棕壤的多年研究结果,论述了不同粒级的微团聚体在保肥和供肥方面的不同性能。鉴于肥地与复地、小粒级与大位级微团聚体间存在着保肥-供肥性能的明显差异,作者试以10μm为界,划分<和>10μm两类“特征微团聚体”,以其比例来界定高、低肥力土壤的微团聚体组成的数值范围和评断土壤肥力水平与培肥效果。结果表明,“特征微团聚体”的组成比例能较好地反映土壤肥力的现有状况及其调控的实际效果,是综合评价土壤肥力的新的有用指标。

    Abstract:

    Based on many-year researches on black soil and brown soil,different performances of various fractions of soil microaggregates in storing and supplying moisture and nutrients are discussed.In vlew of the significant differences of these perforrnances between fertile and infertile soils and between small and large sizes of microaggregates,the authors attempt to take 10μm as alimit,puling various fractions of microaggregates under 10μm "characteristic microaggregates" and using their specific value to draw the quantitative limits of compositions of microaggregates between soils with higher and lower fertility levels and judge the levels of soil fertility and the effects of its improvement and regulation.The results show that the specific value of compositions of "characteristic microaggregates" can better reflect the present situation of soil fertility and the actual effect of its improvement and regulation,being a new and useful index for the overall evaluation of soil fertity.

    参考文献
    相似文献
    引证文献
引用本文

陈恩凤,周礼恺,武冠云.微团聚体的保肥供肥性能及其组成比例在评断土壤肥力水平中的意义[J].土壤学报,1994,31(1):18-25. Chen Enfeng, Zhou Likai, Wu Guanyun. PERFORMANCES OF SOlL MlCROAGGREGATES IN STORING AND SUPPLYING MOlSTURE AND NUTRIENTS AND ROLE OF THEIR COMPOSITlONAL PROpORTlON IN JUDGING FERTILITY LEVEL[J]. Acta Pedologica Sinica,1994,31(1):18-25.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:
  • 最后修改日期:
  • 录用日期:
  • 在线发布日期: 2013-02-25
  • 出版日期: