一、特点1.沼肥与化肥?昆合施用,强化了肥力,提高了肥效。沼肥是具有缓速兼备的腐熟有机肥,后效较长,与化肥配合施用,取长补短,比单一施用化肥更能发挥肥力持续优势。2.油菜施用沼液增产高。3.综合效益好。油菜施用沼肥,既可减少50%的化肥需要量,又可增加收人,提高经济效益,同时还可改良土壤结构,增强田地肥力水平,避免因多施化肥造成的土壤破坏,促进农业生产的可持续发展。二、方法1.11月上旬下种前,每667平方米 First, the characteristics 1. Biogas and fertilizers? Kunlun application, strengthen the fertility and improve fertilizer efficiency. Biogas fertilizer is a matured organic fertilizer with retarding speed and long afterglow. It can be used continuously with chemical fertilizers to make up for each other. 2. Rape biogas application of high yield. 3. Comprehensive benefit is good. Applying biogas fertilizer to rapeseed can not only reduce the chemical fertilizer requirement by 50%, but also increase the income and increase the economic benefit. At the same time, it can also improve the soil structure, enhance the fertility of the field, avoid the soil damage caused by the multiple fertilizer application and promote the agricultural production Sustainable development. Second, the method 1. November early November before planting, every 667 square meters