Effects of Combined Application Different Ratio of Organic Fertilizer and Chemical Fertilizer on Organic Acids of Flue-cured Tobacco
WU Xue ping, LIU Guo shun, PENG Hua wei, ZHU Kai, YANG Chao
ACTA AGRICULTURAE BOREALI-SINICA . 2003, (1): 97 -99 .  DOI: 10.3321/j.issn:1000-7091.2003.01.027