How to use the greenhouse to grow hollow vegetables

With the advancement of society, the variety of vegetables has begun to increase, and the cultivation techniques are also diverse. Especially, vegetables can be eaten in all seasons, so the anti-season vegetables are more attractive to growers. The flexible use of greenhouses allows you to have a good harvest easily. So, do you know the technology of growing canola in greenhouse? How to use greenhouses to grow water spinach? Next, Xiaobian will summarize the techniques for planting spinach in the greenhouse.

Techniques for growing hollow vegetables in greenhouses:

First, the choice of technology for growing canola in greenhouse

First of all, according to the local situation, you should see which kind of water spinach is most popular among people. There are not many plants, and then choose the right spinach seeds. The more widely used varieties are big chicken yellow and flag leaf.

Second, the cultivation time of the technology of planting water spinach in greenhouse

The time for planting the spinach in the greenhouse is more flexible, because it can be produced all year round, but if you want to get higher income, you should pay attention to the cultivation time of the spinach. Generally, it is planted in October-December, and it can be harvested in three months.

Third, the fertilizer needed for the spinach of the technology of planting the spinach in the greenhouse

The growth of any crop is inseparable from the fertilizers and nutrients needed, especially the nutrients needed for the spinach, because the branches and leaves are more luxuriant. At the beginning of planting, it is necessary to pay attention to the base fertilizer, and it must be applied per acre. Organic fertilizer is about 1500 kg, grass ash is 100 kg, and then mixed with the soil.

Soil preparation fertilization of water spinach has a fast growth rate and strong branching ability. It requires more fertilizer and water. It should be applied to the base fertilizer when planting. Generally, 1500-2000 kg of organic fertilizer is applied per mu, 100 kg of grass ash, fully mixed with soil, and the height is 20 cm.畦 (groove) with a width of 130 to 150 cm.

4. Seeding precautions for the technique of planting hollow vegetables in greenhouses

Special attention should be paid to the sowing of water spinach. Because the seeds of the spinach are harder, the skin is thicker. If the seed is rotted if the temperature is kept for a long time, the seed should be germinated before sowing, and the seeds of the spinach are placed in warm water of about 30 degrees. Soak for about 20 hours, wrap it evenly with gauze, and germination can be carried out below 30 degrees. When most of the seeds are white, they can be sown.

There are two methods for sowing seedlings, such as sowing and stripping. No matter what method, the quantity must be well grasped. The amount of seed used per acre should be controlled at 15-20 kg, and the seeds should be covered with fine soil.

V. Pest control of planting hollow vegetables in greenhouses

There are few pest diseases in water spinach. The diseases in seedling stage are mainly squatting disease and stem rot. These diseases are caused by relatively low temperature and relatively high humidity. It can reduce the occurrence of diseases by reducing the humidity. The control was carried out by using 700 times of the genus Phytophthora or 800 times of the spray of the bacterium.

The main diseases of greenhouse vegetables grown in greenhouses are squatting disease and stem rot in seedling stage, which are caused by low temperature and excessive relative humidity. The disease can be reduced by dehumidification, and 700 times or more can be used. 800 times spray control. Its main pests are mites and red spiders, which can be controlled by 1000 times or 1500 times.

6. The picking time of the hollow vegetables in the greenhouse for the cultivation of water spinach:

The harvesting of the spinach is relatively fast. Generally, about one month after sowing, when the spinach grows to a certain height, it can be harvested in time. If it is too long, it will age, affecting the taste and benefit.

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