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许昌烟区是我国重点烟草产区之一。前几年烟质普遍下降,已成为烟草生产急待解决的突出问题。尽管原因是多方面的,但与肥料也有密切的关系。许昌烟区历来多以饼肥作烟田细肥,多年来饼肥奇缺,复合化肥供应量也少,烟农为求高产,只有依靠氮素化肥,结果造成有机质下降,土壤板结,氮、磷、钾比例严重失调,这就是烟质下降的主要原因之一。
Xuchang Tobacco is one of the key tobacco producing areas in China. A general decline in the quality of tobacco a few years ago has become an outstanding problem to be solved urgently in tobacco production. Although the reasons are many, but also with the fertilizer is also closely related. Xuchang Tobacco District has always been to make more fine fertilizer for tobacco fields, over the years pie shortage, lack of compound fertilizer supply, tobacco growers in pursuit of high yield, only rely on nitrogen fertilizer, resulting in decline in organic matter, soil compaction, nitrogen, phosphorus, potassium Serious imbalance in the ratio, which is one of the main reasons for the decline in smoking quality.