Comparation and Relative Analyses on the Digesting Time and Results of Catalyst Mixtures of Plant Total Nitrogen in Kjeldahl Method
CHEN Shu-ping, WANG Xue-zheng, QIAN Xiao-zhe, LI Jie
ACTA AGRICULTURAE BOREALI-SINICA . 2006, (S2): 19 -22 .  DOI: 10.3321/j.issn:1000-7091.2006.z2.005