中药渣蚓粪对玉米生长及土壤肥力特性的影响
Ying yong sheng tai xue bao = The journal of applied ecology / Zhongguo sheng tai xue xue hui, Zhongguo ke xue yuan Shenyang ying yong sheng tai yan jiu suo zhu ban（2013）
Abstract
采用盆栽试验,研究了中药渣蚓粪对玉米生长及土壤肥力的影响.结果表明:随着蚓粪施用量的增加,玉米的株高、茎粗、叶面积、叶绿素含量均显著增加；生长60 d收获时,多数蚓粪处理的土壤容重显著降低；蚓粪处理的土壤pH显著高于对照和相应的化肥处理.蚓粪处理的土壤全氮、有机质含量也明显高于化肥处理,且随蚓粪施用量的增加,效果越趋显著.中药渣蚓粪可作为一种高效有机肥,其合理施用有助于改善土壤物理结构,缓解土壤的酸化进程,提高土壤有机质和氮素含量,有效促进作物生长.
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Key words
Herb residue,Maize,Soil fertility,Vermicompost
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