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甲霜灵颗粒剂防治马铃薯晚疫病的效果黑龙江省农科院马铃薯研究所王仁贵等１９９２—１９９３年试验表明，用２５％甲霜灵可湿性粉与活性炭煤灰渣制成的颗粒剂结合马铃薯第二次中耕培土施入植株根部的防病增产效果最佳，至生长后期防效仍在７０％以上，增产达１０ｔ／ｈｍ...
The effect of metalaxyl granule on preventing and controlling late blight of potato Potato Institute of Heilongjiang Academy of Agricultural Sciences Wang Rengui 1992-1993 tests showed that with 25% metalaxyl wettable powder and activated carbon coal ash granules made of granules combined with potato The second cultivation of cultivated soil applied to the root of the plant disease prevention and yield increase the best, to the late growth control effect is still above 70%, increase production up to 10t / hm ...