Regressive Mathematical Model of N P K on the Growth and Yields of Tomato
LI Yuan-xin, LI Tian-lar, CHEN Dian-kui
ACTA AGRICULTURAE BOREALI-SINICA . 2003, (3): 99 -101 .  DOI: 10.3321/j.issn:1000-7091.2003.03.028