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温室大棚黄瓜霜霉病防治技术近几年大棚、温室黄瓜由于霜霉病发生严重,造成大面积减产,轻者减产30%,重则绝产绝收。我们连续几年的试验、示范研究分析出黄瓜霜霉病发病的主要原因是农民对温室、大棚的田管技术掌握不够,对温棚内的温湿度控制不当,室内空气湿度大,...
Greenhouse greenhouse cucumber downy mildew prevention and control technology In recent years, greenhouses, greenhouse cucumber downy mildew serious, resulting in large-scale production cuts, the light output reduction of 30%, while the absolute yield absolutely. Our consecutive years of experiments, demonstration studies analyzed the main reason for the incidence of cucumber downy mildew is greenhouse farmers, greenhouses in the possession of field technology is not enough, the temperature and humidity within the greenhouse under the control of improper indoor air humidity, ...