Study on variations in biological effects and chemical-physical characters during composting of animal wastes

ammonia ammoniac ascaridia aves de corral azote bovin brassica chinensis carbon carbone carbono cattle cerdo compost compostage composting composts contenido de humedad escherichia farmyard manure fumier ganado bovino germinability malezas mauvaise herbe moisture content mortalidad mortalite mortality nitrogen ova ovule poder germinativo porcin poultry seed semence semillas swine temperatura temperature teneur en eau volaille weeds