绿肥翻压对植烟土壤养分状况的影响
South China Agriculture(2020)
Abstract
为探究绿肥翻压对植烟土壤养分状况的影响,分析了绿肥翻压对不同土壤类型以及不同烤烟生育期烟田土壤有机质含量、pH值、速效氮、有效磷、速效钾等土壤主要指标的影响.结果表明,绿肥翻压对烤烟团棵期、旺长期和成熟期的土壤都有较好的改善作用,当每667 m2绿肥翻压量为1000kg时,改善效果最佳.同时,绿肥翻压也能够显著改善紫色土、黄壤和黄棕壤有机质、速效氮和pH值等土壤指标,提高烟田土壤质量.
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