Supported by the Special Foundation of"Guangxi NewCentury National Ten,Hundred and Thousand Talent Project"(2004217);the Sci-ence Foundation of Guangxi Province(Guikeji0575103)~~
[Objective] The study about the nitrogen releasing law of bamboo-charcoal coated urea and the biologic utilization effect was to find the coated urea with high efficiency,low price and simple production technology.[Me...