In order to find out the differences in qualified rate of acquisition grade of C3F flue-cured tobacco, investigation and analysis were carried out on the tobacco leaves of B2F grade mixed into the C3F grade in tobacco...In order to find out the differences in qualified rate of acquisition grade of C3F flue-cured tobacco, investigation and analysis were carried out on the tobacco leaves of B2F grade mixed into the C3F grade in tobacco stations of Changning City in 2009 and 2011. Results showed that C3F belonged to the first-grade tobac- co of middle leaves, which was easily confused with B2F. The average qualified rate of C3F was 72% in 2009; while that was 82% in 2011 after implementing pro- fessional grading and loose tobacco acquisition, which enhanced by 10%. Phenom- ena of mixed grade, mixed position and mixed color were significantly improved; and there were no mixed green or mixed impurity.展开更多
文摘In order to find out the differences in qualified rate of acquisition grade of C3F flue-cured tobacco, investigation and analysis were carried out on the tobacco leaves of B2F grade mixed into the C3F grade in tobacco stations of Changning City in 2009 and 2011. Results showed that C3F belonged to the first-grade tobac- co of middle leaves, which was easily confused with B2F. The average qualified rate of C3F was 72% in 2009; while that was 82% in 2011 after implementing pro- fessional grading and loose tobacco acquisition, which enhanced by 10%. Phenom- ena of mixed grade, mixed position and mixed color were significantly improved; and there were no mixed green or mixed impurity.
