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我县常年种植烤烟达7万亩左右。近年来由于施氮肥较多,土壤氮磷钾比例严重失调,造成烤烟品质下降。为提高烟叶的产量和品质,我们从1979年开始在烟草上施用腐植酸氮磷钾(河南省许昌地区腐科所生产。含氮、磷、钾各为4%,以下简称腐肥),并于1980至1982年进行了大面积示范,取得了明显效果。现将结果概述如下:一、施腐肥的优点(一)缓苗快、长势好。凡施腐肥的烟苗移栽后比施饼肥和复合肥的缓苗快,长势好。在烟叶生长前期,施腐肥、饼肥、复合
Foci cultivation of tobacco throughout the year up to 70,000 acres. In recent years, due to more nitrogen fertilizer, soil N, P and K serious imbalance, resulting in decreased quality of flue-cured tobacco. In order to improve the yield and quality of tobacco leaves, we started to apply nitrogen, phosphorus and potassium humic acid (Tobacco produced in Xuchang, Henan Province, containing 4% of nitrogen, phosphorus and potassium, hereinafter referred to as rotten fertilizer) from 1979 onwards A large-scale demonstration was carried out from 1980 to 1982 and achieved remarkable results. The results are summarized as follows: First, the advantages of fertilizer (A) Huanmiao fast, good growth. Where the application of fertilizer after the transplanting of tobacco seedlings than fertilizer and compound fertilizer Huanmiao fast, good growth. In tobacco growth early, Shi Fu Shi, cake fat, compound