小麦根际联合固氮菌拌种,是河北省科学院微生物研究所的一项科研新成果。这种菌肥具有联合固氮、增补植株氮素营养、提高小麦产量和品质的作用。1984年,我县从该所购进菌肥4600斤。分别在不同土质及不同水肥条件的临津、东段、老提等七个乡镇试验、示范5000多亩,并在四个点设置了对照田15亩。 Wheat rhizosphere nitrogen fixation bacteria seed dressing, Institute of Microbiology, Hebei Academy of Sciences is a new research results. This bacterium fertilizer has the function of combining nitrogen fixation, supplementing plant nitrogen nutrition and improving wheat yield and quality. In 1984, my county purchased from the 4600 kg of fertilizer. The experiment was conducted in seven townships and towns including Linjin, East Section and Laotian with different soil qualities and different water and fertilizer conditions, demonstrating 5,000 mu of land and 15 mu of controlled land at four spots.