Effects of Nitrogen Fertilizer on Different Maize Genotypes
GUO Qiang, ZHAO Jiuran, CHEN Guoping, TENG Haitao
ACTA AGRICULTURAE BOREALI-SINICA . 2000, (1): 97 -101 .  DOI: 10.3321/j.issn:1000-7091.2000.01.020