骨肥粉是一种很好的磷肥,用风干的猪、牛、羊骨头焖烧而成。焖烧前,先在平地上铺一层7～10厘米厚的粗糠,上面架一层柴草,然后放一层骨头,如此相间叠起,最上一层再盖粗糠,然后点火焖烧。焖烧时如堆面上有火焰透出,应随时撒上粗糠,避免火势太旺。焖 Bone fat is a good phosphate fertilizer, dried with dried pigs, cattle and sheep bones stew made. Braised before burning, first in the ground layer of a layer of 7 ~ 10 cm thick bran, a layer of straw above the shelves, and then put a layer of bones, so stacked with each other, the top layer and then covered with bran, and then simmered. Braised burning as heap on the surface of a flame that should be sprinkled with bran, to avoid the fire is too busy. stew