Application effects of medium with different proportion of rotten peanut bran and sand were studied in tobacco seedling raising in the floating system.
将腐熟花生糠与河砂以不同比例混配成基质，研究其在烟草漂浮育苗上的使用效果。
2
Pesticides commonly used during the tobacco seedling stage were spray applied at both recommended and higher rates to determine phytotoxicity in a greenhouse floatingseedling assay.
在漂浮育苗大棚内，选取烟草苗期常用农药，以推荐剂量和超推荐剂量，采用喷雾方式进行药剂药害试验。
3
The invention discloses a flue-cured tobacco floatingseedling matrix, a preparation method and the application thereof.