今年我们在什字塬区东部的吊街乡推广小麦叶喷“四物汤”使100多亩小麦在全县蚜虫大发生的情况下,高抗黄矮病,显著增产。“四物汤”是指增产菌,硝酸稀土,磷酸二氢钾和尿素的混合液,在小麦拔节至抽穗期叶面喷施,抗病增产效果十分显著。具体用法是:在小麦拔节以后, This year we are in the eastern part of Shiyuanyuan Hang Township to promote wheat leaf spray “Siwu Tang” so that more than 100 acres of wheat in the county aphid big case, high resistance to yellow dwarf, a significant increase in yield. “Siwu Tang ” refers to the proliferation of bacteria, nitric acid rare earth, potassium dihydrogen phosphate and urea mixture, the wheat jointing to the heading of the foliar spray, the disease resistance yield is very significant. Specific usage is: After jointing the wheat,