How to operate the greenhouse in the greenhouse? These four points must pay more attention!

There are a lot of people working in greenhouses, but there are many problems in the greenhouse soil. For example, soil-borne diseases, root-knot nematode diseases, etc., the soil of the old greenhouses really needs to be changed, and the greenhouses are changed. In the course of the soil, these issues must be noted.

1. Pay attention to choose the right soil when changing soil

Under normal circumstances, fertile, pollution-free garden soil should be used. If the soil in the old greenhouse is clay, it is recommended to replace it with sandy soil; if the old greenhouse is sand, it should be replaced with sticky soil. Such a blend is more conducive to the growth of vegetables. Also, if the soil is too acidic. Neutralize the soil with alkali, and if it is alkaline, improve it with some acid.

2. Pay attention to the application of organic fertilizer after changing the soil

For the new soil that is replaced, even if it is taken from the fertile garden, the organic matter content is mostly less than 1%. Therefore, the organic fertilizer should be added in time after the soil change. The first application of organic fertilizer should be more, 18 to 20 cubic meters of chicken per 667 square meters, and 35 to 40 cubic meters of rice husk. If straw fertilizer is applied, the effect is better.

3. Pay attention to soil disinfection after changing soil

After soil replacement, soil disinfection must be carried out in order to avoid the damage of new soil bacteria and nematodes in the soil of the old greenhouse. It can be sterilized by using 20~30kg of cotton stalks per 667 square meters of greenhouse. In addition, greenhouse walls, bamboo rafts and tools should also be sterilized, and 50% carbendazim 1000 times solution can be used for whole greenhouse spraying.

4. Pay attention to the "bacteria" after changing the soil

After the old greenhouse is changed, it is very important to replenish the bacteria in time, especially for some newly replaced raw soils (soil below the topsoil). The content of the biological bacteria is very low and should be supplemented in time. After the soil is swollen with cotton, the organic fertilizer with Bacillus and actinomycetes can be applied 150~200 kg, which not only improves the soil effect, but also inhibits the soil-borne diseases.

In summary, all the contents of the greenhouse change, and other experienced greenhouse growers friends can add, have you changed the greenhouse for the greenhouse? What problems have you encountered in the process of changing the greenhouse?

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