In order to select the suitable soil for transplanting tobacco in Hunan to- bacco growing areas, pot experiment was conducted to study the effects of different transplanting nutdent soils on the growth and dry matter ...In order to select the suitable soil for transplanting tobacco in Hunan to- bacco growing areas, pot experiment was conducted to study the effects of different transplanting nutdent soils on the growth and dry matter accumulation of tobacco. The results indicated that the treatments of transplanting with nutrition soils were better than the control group. For the underground part, transplanting nutrient soil could effectively improve the root activity of tobacco plants, and increase root volume, root surface area, total root length, as well as the number of root tips and the number of root branches. For the aboveground part, transplanting nutrient soil could remarkably improve the plant height, stem girth, leaf number and maximum leaf area, and could simultaneously significantly increase the dry matter accumulation. By comparison, peat ＋ mushroom residue ＋ saw dust ＋ straw powder ＋ bicchar ＋ root promoting nutrient solution was the most effective treatment, and the effect of sole application of nutrient solution was limited. In conclusion, transplanting with nutrition soil could effectively promote the growth and dry matter accumulation of tobacco.展开更多
文摘In order to select the suitable soil for transplanting tobacco in Hunan to- bacco growing areas, pot experiment was conducted to study the effects of different transplanting nutdent soils on the growth and dry matter accumulation of tobacco. The results indicated that the treatments of transplanting with nutrition soils were better than the control group. For the underground part, transplanting nutrient soil could effectively improve the root activity of tobacco plants, and increase root volume, root surface area, total root length, as well as the number of root tips and the number of root branches. For the aboveground part, transplanting nutrient soil could remarkably improve the plant height, stem girth, leaf number and maximum leaf area, and could simultaneously significantly increase the dry matter accumulation. By comparison, peat ＋ mushroom residue ＋ saw dust ＋ straw powder ＋ bicchar ＋ root promoting nutrient solution was the most effective treatment, and the effect of sole application of nutrient solution was limited. In conclusion, transplanting with nutrition soil could effectively promote the growth and dry matter accumulation of tobacco.
