不同粕类对发酵牛粪中氮、磷、钾含量的影响

本文笔者分别按5∶1、4∶1、3∶1的比例在牛粪中加入豆粕、棉籽粕、菜籽粕进行发酵试验,以研究不同粕类对发酵牛粪中氮、磷、钾含量的影响。结果表明,加入豆粕与牛粪共同发酵后其质地最柔软,所得的氮、磷、钾含量最高,且牛粪与豆粕混合比为3∶1时所得有机肥的种子发芽率最高,表明用豆粕与牛粪发酵(3∶1)效果最好。

Influence of Soybean,Cottonseed and Rapeseed Meals on the Content of N,P and K in Fermented Cattle Dung

In order to research the influence of soybean meal, cottonseed meal and rapeseed meal on the content of N,P and K in fermented cattle dung,the author added soybean,cottonseed and rapeseed meals into cattle dung with the proportion of 5∶1,4∶1,3∶1 respectively for fermenta-tion. The results showed that the texture was softest and the contents of N,P and K were all high-est in the group of adding soybean meal,its proportion of 3∶1 was best. The seed germination rate of organic fertilizer was highest when the soybean meal added to cattle dung with proportion of （3∶1）.