烤烟专业分级散叶收购烟叶等级质量评价

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。

Evaluation of Quality Grade of Tobacco Leaves in Specialized Grading and Loose-leaf Purchasing System

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 .