小麦根际联合固氮茵剂,是河北省农林科学院生物研究所研制成的一种生物制剂,经过几年试验应用,经受了时间和不同自然条件的考验,表现持续稳定的增产效果。一、示范应用效果全国小麦根际联合固氮菌剂示范会议统计,全国冬小麦和春小麦应用面积达350万亩。1988年16个 Wheat rhizosphere nitrogen fixation agent, is a biological agent developed by Institute of Biology, Academy of Agriculture and Forestry, Hebei Province, after several years of test application, has stood the test of time and different natural conditions, showing a sustained and steady yield increase. First, the demonstration effect of application National nitrogen rhizosphere combined azotobacter Demonstration Meeting statistics, the national winter wheat and spring wheat application area of ​​3.5 million mu. In 1988 16