随着专门化,集约化,大型工厂化畜牧场和综合体的建立,产生了一系列与此相适应的管理工艺。大大增加了饲养牲畜的密度和头数。这就使大量的畜禽粪肥形成和蓄积在粪沟内外。利用这些粪肥废弃物作为有机肥料,是一种最为节约和有效的处理粪肥的方法。然而,在大多数的情况下,畜牧场的 With the establishment of specialized, intensive and large-scale industrialized livestock farms and complexes, a series of management processes corresponding to this have been produced. Greatly increased the density and number of livestock raised. This makes a large number of livestock and poultry manure formation and accumulation in the ditch ditch inside and outside. The use of these manure wastes as organic fertilizers is one of the most economical and effective ways of treating manure. However, in most cases, livestock farms