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第1期 《城镇垃级宋用控制标准》及其编制依据······……(1)有机肥和无机氮侧配合施用对调书卜壤磷素平衡的影响…”··············································..·········……(弓)盆化潮土施用有机物料效
No. 1 “Urban rubbish Song control standards” and its preparation basis ... ... ... ... (1) organic manure and inorganic nitrogen side of the application of tartaric acid on the adjustment of phosphorus balance ... ... ························ ······································································