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生物固氮肥是利用固氮微生物将空气中的氮元素固定在土壤中,产生代谢产物,以满足作物生长的需要。经笔者多次试验,在蔬菜上施用固氮肥能增产20％以上。
Biological nitrogen fixation is the use of nitrogen fixation microorganisms in the air of nitrogen in the soil fixed to produce metabolites to meet the needs of crop growth. After many experiments by the author, the application of nitrogen fertilizer on vegetables can increase production by more than 20%.