ICS65.160 X 86 DB50 备案号：49144-2016 重 庆 市 地 方 标 准 DB50/T 666—2015 烟苗井窖式移栽技术规程 Basic rule for tobacco plantlet transplanting in well-cellar 2015-12-31发布 2016-03-01实施 重庆市质量技术监督局 发布  DB50/ T6662015 .................................................................................II ...............................................................................1 .....................................................................1 .........................................................................1 1 2 3 3.1.................................................................................1 well-cellar...................................................................1 3.2.................................................................................1 transplanting in well-cellar..........................................1 4 5 6 .........................................................................1 4.1 4.2 4.3 ...........................................................................1 .......................................................................2 ...........................................................................2 ...........................................................................2 5.1 5.2 5.3 .................................................................2 .......................................................................2 ...........................................................................3 ...........................................................................4 6.1 6.2 6.3 6.4 6.5 6.6 .......................................................................4 .....................................................................4 .....................................................................4 .....................................................................4 .......................................................................4 .......................................................................4 I  DB50/ T6662015 GB/T 1.1 2009 II  DB50/ T6662015 1 2 GB/T 23221 GB/T 25241.1 NY/T 852 YC/T 507 YC/T 371 YC/Z 459 1 3 3.1 well-cellar 3.2 transplanting in well-cellar 4 4.1 4.1.1 NY/T 852 GB/T 23221 1  DB50/ T6662015 4.1.2 20 cm ~ 25 cm 3 cm 4.2 4.2.1 GB/T 25241.1 50 d~60 d 1 3 d ~5 d 4.2.2 800 m~1100 m 45 d~55 d1100 m 4.5 mm~5.0 mm5~6 3 cm~4 cm 14 mm~16 mm 4.3 4.3.1 YC/Z 459YC/T 507 70% 4.3.2 20 d~30 d 110 cm~120 cm 60 cm~80 cm 20 cm~25 cm 4.3.3 60% 5 5.1 5.1.1.1 7d~10 d 13 4 5 5.2 5.2.1 50 cm~ 55 cm 1050/~115