Farmyard manure(GFYM)厩肥 FYM is a mixture of partially decomposed straw containing faeces and urine The production of livestock slurries has thus increased The nutrient concentration of organic manure can vary widely depending much on their source and moistureFarmyard manure (FYM)厩肥 ▪ FYM is a mixture of partially decomposed straw containing faeces and urine. ▪ The production of livestock slurries has thus increased. ▪ The nutrient concentration of organic manure can vary widely depending much on their source and moisture