On the Forming of Waterlogged Condition in the Cultivated Horizon of Paddy Soils in Shanghai During Dry Farming Period and the Approach to its Elimination

  • Yang Jin-lou
  • Zhu Ji-cheng
  • Jiang Su-zhen
  • Shi Nan-chang
  • Zhu Lian-long
Conference paper

Abstract

The rainfall in Shanghai is abundant, amounting to 500 mm during the growing season of wheat, barley and naked barley. The waterlogged condition of the cultivated horizon of paddy soils is a grave obstacle to a high and stable yield of wheat, barley and naked barley.

Keywords

Porosity Maize Trench 

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Copyright information

© Science Press, Beijing and Springer-Verlag Berlin Heidelberg 1981

Authors and Affiliations

  • Yang Jin-lou
    • 1
  • Zhu Ji-cheng
    • 1
  • Jiang Su-zhen
    • 1
  • Shi Nan-chang
    • 1
  • Zhu Lian-long
    • 1
  1. 1.Soil and Fertilizer Institute of the Shanghai Academy of Agricultural SciencesShanghaiChina

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