In Daotian Town, Shouguang City, Shandong Province, many vegetable farmers adopt interplanting cultivation mode when cultivating sweet peppers, tomatoes, and other vegetables. That is, when the vegetables and fruits are picked at the top, the middle and lower leaves are completely removed, and then near the plants. Plant the next crop of vegetables. Generally, the planting time is about 20 days before the last vegetable is pulled out. It is understood that this measure can increase the time to market for the next crop of vegetables. However, there are a lot of issues to be aware of when interplanting.
First, promptly knock off the main branch without leaves on the bell pepper or tomato and the leaves of the lower part of the fruit. At this time, the last batch of fruit expansion on the plant is basically completed, and it is in the period of color transformation. To prevent the upper plant from being overshadowed and affecting the growth of the tomatoes on the planting, the leaves should be picked in time to improve the ventilation and light transmission. However, the upper leaves of the fruit should be retained to prevent problems such as fruit cracking.
Secondly, rationally manage grasshoppers and air outlets, and regulate the temperature and humidity in the shed. At this time, we must consider the color change of the fruit, and we must not ignore the slow-growing vegetables. The temperature during the day should be controlled at 25-28 ° C, and the night temperature is preferably 15-18 ° C. This will not affect the color change and is also conducive to slow seedlings.
Thirdly, watering should be paid to the soil 2 days before the vegetable is pulled out to keep the soil moist and easy to operate. After plucking the garden, it is very important to clean up the dead trees and rotten leaves in a timely manner. This is very important. The purpose is to reduce the base number of pests and diseases in the shed. If there are a large number of leaves and roots of pests and diseases on the surface, the crops after planting will be bound to Quickly infected by pests.
Finally, after the vegetable is plucked from the field, fertilizers should be applied in the middle of the planting rows or holes, and watered and lined to improve soil permeability. Interplanting did not apply base fertilizer and did not turn over the ground, resulting in insufficient fertilizer and poor soil permeability, which was not conducive to the growth and development of tomato roots. Therefore, fertilizer should be supplemented in time. 200-300 kg of fermented soybean meal, 100 kg of compound fertilizer or controlled release fertilizer can be applied per acre. Immediately after watering, watering and hoeing will increase soil permeability and increase root activity.
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