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蚯蚓堆制处理对牛粪性状的影响

Keywords: 蚯蚓堆制处理,赤子爱胜蚓,牛粪

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Abstract:

在最适的湿度和接种密度条件下,室内接种赤子爱胜蚓处理未腐熟牛粪,同时以不接种蚯蚓的未腐熟牛粪和自然堆制的腐熟牛粪为对照,研究了蚯蚓堆制处理对牛粪性状的影响。结果表明,赤子爱胜蚓处理显著增加了未腐熟牛粪中矿质氮和速效磷的含量,提高了碱性磷酸酶的活性,降低了微生物量碳、氮的含量和脲酶的活性,对蔗糖酶活性无显著影响。赤子爱胜蚓处理的牛粪中细菌在短期内(15d内)数量显著增加,真菌和放线菌的数量变化不明显。蚯蚓处理产物与自然堆制的腐熟牛粪对照相比较,矿质氮和速效钾要高于腐熟牛粪,但速效磷无显著差异;微生物量碳氮和酶活性均显著高于自然腐熟牛粪;细菌、真菌和放线菌的数量也高于自然腐熟牛粪,但波动较大。

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