烟叶黑爆是影响其质量和经济效益的重要因素之一,必须进行早期诊断,初期预防,及时补救。其主要技术措施如下: 一、产生的原因土壤肥沃、速效氮含量高,速效钾相对含量低,是产生黑爆烟的主要原因。其次,我省西部干旱地区,雨量主要 Tobacco black burst is one of the important factors that affect its quality and economic benefits. It must be diagnosed early, early prevention, and timely remedy. The main technical measures are as follows: First, the causes of fertile soil, available nitrogen content is high, the relative content of available potassium is low, is the main cause of black smoke. Second, the drought in the western part of our province, the main rainfall