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Chinese Journal of Applied Ecology ›› 2002, Vol. ›› Issue (3): 319-322.

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Changes of soil physical,chemical and ecological factors under mechanized cultivation

XIA Ping1, Ren Li2   

  1. Anhui Agricultural University, Hefei 230036
  • Received:2000-06-13 Revised:2001-01-16 Online:2002-03-15

Abstract: Three years agricultural mechanization extension project in Huang Huai Hai regions showed that the application of comprehensive agricultural technologies which included the return of straw and stalk to field by mechanization,deep application of fertilizer, deep plough and soil no tillage with mulch,had an obvious biological effects.In comparing with traditional cultivation,the comprehensive mechanized cultivation could decrease soil bulk density by 0.08 g·cm-3,increase soil organic mater by 12%,improve moisture utilization by 10.1~13.6%,and increase the grain yields of wheat and corn by 1218 kg·hm-2.

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