摘要: |
以河北沧州地区为例,在龙王河中心试区内对黄淮海平原小麦-玉米一年两熟制农田分别从集约高产的需求和土壤有机质循环本身两个方面,就作物集约高产条件下土壤有机质培肥目标进行了探讨。研究结果表明,沧州地区以至黄淮海平原在集约高产条件下,1.0%~1.2%为适宜的土壤有机质培肥目标,土壤有机质高的田块可为1.5%。 |
关键词: 集约高产,土壤有机质含量,培肥目标 |
DOI: |
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基金项目:“八·五”国家教委博士点基金 |
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Studies on Optimum Value of Soil Organic Matter Content under Intensive Cropping Conditions with High Yield in Huang-Huai-Hai Plain Region |
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Abstract: |
In this paper, the optimum value of the soil organic matter content under the intensive cropping condition with high yield in Huang-Huai-Hai plain was studied from two aspects. One is the cycling of soil organic matter itself, and the other is the need of crop high yield upon organic matter content. The result showed ,1 %~ 1. 2% is optimum value. But it maybe 1. 5% for those field with the high fertility. |
Key words: intensive,soil organic matter,optimum value |