The latest course of Management techniques and methods after planting eggplant in greenhouse in Winter
With the progress of agricultural technology, there are more and more out-of-season vegetables, which can be supplied to the market all the year round, so that we can eat a variety of vegetables in the off-season. Planting eggplant in greenhouse in winter is also a common breed. The management of eggplant after planting is very important for high yield of eggplant. How to manage it reasonably is directly related to the output of eggplant. Let's take a look at it with Xiaobian.
1. Greenhouse temperature management
After the eggplant is planted, the temperature requirement is higher, eggplant is a temperature-loving crop, resulting in a week later, the temperature is less than 30 degrees in the day and 15 degrees at night. After a week, the eggplant begins to grow obviously, and the room temperature can be lowered appropriately to prevent the plant from overgrowing. Until the eggplant bears fruit, the temperature can be kept at about 25 degrees during the day and 12 degrees at night. At the same time, we should also pay attention to climate changes to avoid excessive temperature and prevent overgrowth of plants.
2. Pay attention to environmental ventilation
When the temperature and humidity in the greenhouse are too high, it is easy to breed diseases, so when the room temperature is more than 25 degrees, it is necessary to ventilate the output in time, and when the temperature is higher than 15 degrees at night, it is also necessary to ventilate properly. On rainy days or after watering, the humidity in the greenhouse will also rise relatively, and proper ventilation is also needed, especially in early spring, when the disease is as high as the period, which is more likely to breed diseases and is essential for timely ventilation.
3. Fertilizer and water management
The growth rate of growing eggplant in greenhouse is not very fast, and the demand for water is not very large, small ridge and furrow irrigation can be done, watering should be carried out in the morning on a sunny day, and watering is prohibited in the rainy or afternoon, which can easily lead to a rise in low temperature and damage to the roots. Within a few days after watering, proper ventilation is needed, and the amount of water each time should be moderate and not too large. The yield of eggplant and fertilizer are inseparable, from the need for topdressing treatment before flowering, picking a crop needs to be fertilized once, you can use compound fertilizer or urea with potassium sulfate, the use of organic fertilizer must be fully mature before use, do not use raw fertilizer or over-concentrated fertilizer.
4. Pruning and branching
In order to achieve high yield, pruning and branching of eggplant is indispensable. For double-trunk pruning, the side branches under the first bifurcation can be erased together, leaving only the two side branches that appeared in the first fork, and all the branches should be removed in the future. Like watering, pruning and branching of eggplant should be carried out on a sunny morning to prevent wound infection caused by forking, and be careful not to knock off the side branches close to the fruiting branches, leaving a short stubble, which can keep the wound away from the trunk and reduce the incidence of the trunk.
The above is the winter greenhouse eggplant management technology introduction, hope to help you, want to know more related knowledge, please pay attention to us.
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