Effects of Organic Manure on Biological Availabilities of Zn,Mn in Calcareous Soil
Guo Shengli, Yu Cunzu, Dai Mingjun
ACTA AGRICULTURAE BOREALI-SINICA . 1996, (4): 63 -68 .  DOI: 10.3321/j.issn:1000-7091.1996.04.013