Ridge planting can concentrate a large amount of living soil on the ridge surface, improve the air permeability of soil, quickly take root and return to seedlings, and avoid the occurrence of root diseases in the middle and late stages of tomato. If planted in an open field, it can also avoid root damage caused by heavy rain. It is suggested that the ridge width of tomato planting is 70 cm, the ridge height is 10 cm, and the upper part of the ridge is 40 cm wide.
2. Grasp the tomato spacing.
Tomatoes are planted on both sides of the ridge, generally about 2900 plants are planted per mu, and the spacing between plants is controlled at about 35 cm.
Planting tomatoes must be carried out in sunny days, and shading treatment should be carried out for 2-3 days when conditions permit after planting to prevent tomatoes from dehydration.
3. How to cover and buy plastic film correctly?
The main function of plastic film is to raise ground temperature and prevent weeds. If watering under plastic film can reduce indoor humidity in winter, there is also a silver-gray plastic film that can prevent pests to some extent.
It is suggested that white plastic film should be used for tomatoes in winter, which can improve the ground temperature, and black plastic film should be used for tomatoes in summer to prevent weeds from growing.
4. How to scientifically irrigate planting water
Planting water, also called root water, is the first time to water tomatoes after planting, so water farmers must water them thoroughly this time. In addition, it is not recommended for farmers to use nitrogen, phosphorus and potassium fertilizer when watering, otherwise it will easily lead to vigorous growth of tomato seedlings. However, farmers can apply rooting powder and humic acid fertilizer at this time, which can promote the rapid rooting of tomatoes and achieve the purpose of strengthening roots.