animal manures application 畜禽粪便农用
Nutrition of some kinds of animal manures should take proper ways to process them so as to get their application in agricultural production.
几种畜禽粪便的营养作为饲料应采取适当的处理措施，使之在农业生产上得到应用。
Animal manures were the main source of organic fertilizer, but their application for farming lands were limited due to a lot of pathogens, parasite ova and toxicant contained.
尽管畜禽粪便是有机肥料的主要来源，但是其携带的大量病原菌、寄生虫卵和有毒物质是影响畜禽粪便农田利用的主要原因。
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