Effect of Different Nitrogen and Potassium Fertilizer Operation on Dry Material Accumulation and Yield of Super High -Yield Maize
YAOXiao-xu, YUHai-qiu, CAOMin-jian
ACTA AGRICULTURAE BOREALI-SINICA . 2009, (S1): 176 -178 .  DOI: 10.7668/hbnxb.2009.S1.042