Study on the N Utilization Ratio and the Control Result of New Slow Controlled Release Fertilizers
WANG Xiang-feng, LIU Shu-qing, NING Guo-hui
ACTA AGRICULTURAE BOREALI-SINICA . 2006, (S2): 38 -41 .  DOI: 10.3321/j.issn:1000-7091.2006.z2.009