烤烟专业分级散叶收购烟叶等级质量评价

摘要

In order to explore the quality grade of tobacco leaves in the specialized grading and loose -leaf purchasing system , and increase the qualified rate of grading , we carried out the classification and comparative analysis of quality grade of tobacco leaves in the specialized grading and loose -leaf purchasing system and the bundle -leaf purchasing system in Bijie city during 2009~2012.The results showed that the specialized grading and loose -leaf purchasing system had high purity of tobacco leaf grade , the number of other grades mixing into a sampled grade was 1~3, the average proportion of sampled grade containing adjacent grade was 29.68%, and that of sampled grade containing original and adjacent grade was 95.71%, which were respectively 2.7 (in aver-age) lower, 9.61 percent higher , and 18.82 percent higher than those in the bundle -leaf purchasing system .Therefore, the pro-portion of sampled tobacco leaf grade containing original grade or containing original and adjacent grade in the specialized grading and loose-leaf purchasing system reached the demand of tobacco industrial enterprises .%为探讨烤烟专业分级散叶收购的等级质量，提高分级合格率，对2009～2012年毕节市烤烟专业分级散叶收购、把烟收购的烟叶等级质量进行分类、对比分析，结果表明：烤烟专业分级散叶收购等级纯度高，混有非原等级1～3个，原级比例≥60％、原级与邻级之和比例≥90％，比把烟收购解把后片烟混有非原级平均减少2．7个；烤烟专业分级散叶收购较把烟收购，含邻级比例、原级与邻级比例平均高9．61、18．82百分点；在工商交接中，经过专业分级散叶原级比例≥65％、原级与邻级之和比例≥95％，达到了烟草工业企业要求。