牛粪没发酵可以加碳酸氢氨促进发酵吗?

2025-03-15 21:43:52
推荐回答(1个)
回答1:

你好,牛粪发酵是需要多项条件的,如水分、温度、空气和氮肥等。发酵之所以用氮肥的原因是为了满足微生物活动的需要。微生物在活动时对要发酵的物料中碳氮比有一定的要求,这个比例一般是25:1,而牛粪中碳氮比为60一100:1,这种碳氮比中碳过高不利于微生物的活动,使腐熟过程缓慢,为调节碳氮比要加入含氮高的物质,你说加碳铵是可以作为补充氮源的措施,把碳氮比降至40-50:1。但要注意,碳铵是一种极易挥发的氮肥,特别在温度升高时极易跑氮,在堆肥时要做好密封。另外,如有条件可以加入少量的过磷酸钙,一方面可以加速腐熟,另一方面也可以提高磷肥利用率。

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