What are the planting methods of flue-cured tobacco?

First, choose a good plot. Generally, plots with high fertility and good irrigation conditions are selected to grow tobacco.

The second is scientific fertilization. Generally, 40-50kg of special fertilizer, 30-40kg of phosphate fertilizer and 0/0kg of potash fertilizer/kloc are applied per mu. 70% of the total fertilization is used as base fertilizer and 30% as topdressing.

Third, timely transplanting. Transplanting should be completed before April 20. The row spacing is 1- 1. 1m, and the plant spacing is 0.5-0.55m. ..

Fourth, topdressing and watering in time. Tobacco seedlings grow vigorously after transplanting and need a lot of fertilizer and water. Finish topdressing and watering within 30 days after transplanting.

Five, to carry out integrated pest control. It is mainly used to control diseases and insect pests such as leaf spot, black stem disease, tobacco budworm, aphid and cutworm.

Sixth, the suitable period of topping. When the main center flowers are in bloom, such as tobacco plants, topping 70%; When it was opened for the second time, all the central flowers were in full bloom.

Seven, strictly grasp the maturity of tobacco leaves. Put the visually mature leaves in the dark. After 48 hours in the lower leaves and 36-48 hours in the middle and upper leaves, if the leaves are found to be yellow with blue veins, it means that the leaves are mature and can be harvested and baked. The lower leaves are ripe and harvested, and the middle and upper leaves need to be fully ripe and harvested.

Eight, promote the three-stage baking process. When the blade reaches 90% Yellowstone, it can be turned to fire to prevent excessive yellowing and ash hanging on the blade, and the maximum temperature in the dry reinforcement period should not be higher than 68℃.