proportion of organic manure and mineral manure
adjusting water by using manure
anaerobic fermentation of dairy manure
animal manure
禽畜粪
人畜禽粪便
动物性杂肥
动物粪肥
动物排泄物
禽畜粪便
畜禽肥
禽粪
畜禽粪便
动物粪便
动物廐肥
动物厩肥
畜肥
Applica tion rate of manure
Artificial manure
人工堆肥
嵌入式实时数据库系统(ERTDBS)
人造肥料
堆肥
化肥
合成堆肥
artificial manure distributor