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微生物活性肥料Biol在棉田应用的试验研究表明,在纯氮用量150kg/hm2以下,Biol能促进棉花生长发育,显著提高经济产量,并能节约氮肥投入,在保持棉花常规栽培产量水平前提下,氮肥用量可较常规生产施氮量减少30%~50%。试验结果还表明,中等施氮水平(纯氮120~150kg/hm2)棉田Biol适宜用量范围为675~975ml/hm2。
The experimental study on the application of microbial biofertilizer Biol in cotton field showed that Biol could promote the growth and development of cotton, significantly increase the economic yield and save the input of nitrogen fertilizer under the condition of nitrogen content below 150kg / hm2. Under the premise of maintaining the conventional cotton yield, The amount of conventional nitrogen production can be reduced by 30% to 50%. The results also showed that the optimum amount of Biol for cotton with medium nitrogen level (pure nitrogen 120 ~ 150kg / hm2) was 675 ~ 975ml / hm2.