油渣是一种优质的有机肥料。它富含蛋白质、油脂,且肥效持久,是颇受棉农青睐的好肥料。但如果施用不当,反而适得其反。因此,用油渣当肥料应注意以下几点; 1.生油渣不能作种肥。油渣作种肥,要事先腐熟发酵后再用,不腐熟的油渣作种肥,不但会烧种苗,而且易招致蝇类产卵生蛆,破坏根系,使作物幼苗生长不良或死亡。 Oil residue is a high-quality organic fertilizer. It is rich in protein, fat, and lasting fertilizer, is favored by cotton farmers good fertilizer. However, if used inappropriately, it is counterproductive. Therefore, the use of oil residue as a fertilizer should note the following points; 1. raw oil residue can not be used as seed fertilizer. Oil residue as a kind of fertilizer, decomposed before fermentation to use, not maturity of the oil residue as a kind of fertilizer, not only will burn seedlings, but also easy to cause flies spawning maggots, destruction of roots, so that poor growth or death of crop seedlings.