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中国农学通报

中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 244-244.

所属专题： 耕地保护

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淮北砂姜黑土地力贡献与培肥技术研究

张存岭,陈龙潭,曹承富,孔令聪,纪永民   

  • 出版日期:2005-11-05 发布日期:2005-11-05

Study on The Contribution of Shajiang Black Soil Fertilizer and The Appropriate Technical Measures of Applying Fertilizer

Zhang Cunling, Chen Longtan, Cao Chengfu, Kong Lingcong, Ji Yongmin   

  • Online:2005-11-05 Published:2005-11-05

摘要： 对杨柳点长期定位培肥试验和相关小麦施肥试验资料进行分析，结果表明：地力贡献与小麦施肥产量、地力贡献率之间呈线性正相关，高产田块地力贡献在小麦施肥产量中占主要地位。砂姜黑土地力贡献主要受土壤有机质和速效磷含量的影响，速效钾含量尚不是限制因子。长期连续施肥条件下，不同的土壤养分指标受有机无机配比的影响不同。有机质和氮素养分含量偏低的土壤，要通过增施有机肥加以培肥，磷素或钾素养分偏低的土壤可以通过增施有机肥或化肥来培肥。

Abstract: Crop yields, soil fertility and nutrient balance were studied systematically according to the results of a 23-year located experiment and the relative fertilizer experiments in wheat. The results show that the correlation between the contribution of soil f