Effect of Nitrogen,Phosphorus and Potassium Fertilizer on Yield of Winter Wheat in Hebei Province
SUN Limin, GAO Lu, LEI Yakun, LIU Ning, HU Jinghui
ACTA AGRICULTURAE BOREALI-SINICA . 2018, (S1): 177 -185 .  DOI: 10.7668/hbnxb.2018.S1.029