Introduction to the main techniques of Grape cultivation in greenhouse

Because the growth of grapes has certain requirements for light, temperature, humidity and so on, and if grapes are planted in the north, they will usually be planted in greenhouse, which can facilitate the management of grape production and improve the yield of grapes. Although there are many advantages of growing grapes in greenhouse, it is useless if the planting technology is not in place. Let's take a look at the key techniques of grape cultivation in greenhouse.

First, choose the right grape variety

If you want to choose the greenhouse to grow grapes, it is very important to choose the right variety, first of all, to choose the good fruit quality, secondly to choose the mature period is not early or late, and finally to choose the variety which is convenient for transportation and storage. Common grape varieties are Jufeng grape, like some hybrid varieties are also possible.

2. Planting methods

Greenhouse grape planting method should be decided according to your cultivation needs, if you choose early-maturing or medium-ripening grape varieties, then it is more suitable to grow in the greenhouse, and then use the way of ripening. If you choose high-quality grape varieties, it is suitable to choose late-ripening planting methods, which can be planted in plastic greenhouses, which can reduce the impact of humidity on grapes and reduce the invasion of diseases and insect pests.

Third, choose a plantation

Greenhouse grapes are suitable for choosing a dry place with plenty of sunshine, open terrain and good air quality, and the sandy soil with good air permeability, strong drainage and good fertilizer retention capacity is better.

IV. Film mulching work

First of all, we should select the appropriate plastic film, mainly pay attention to the thickness, light transmittance and other key points, because these two points are very important for the growth of grapes. If you live in a place where the light is long and the temperature is high, the plastic film in the greenhouse will age faster, and it may be damaged if it is affected by windy weather. The plastic film in the greenhouse had better not be used for more than two years, which can easily affect the light transmittance and thermal insulation. Therefore, in order to achieve the best application value of the film, the mold must be changed year after year, and the pressing line should be covered after the top film is covered.

To control the heat preservation and moisturizing effect of film mulching, the temperature in the greenhouse is not too high in the early stage of film mulching. After about a month of plastic film mulching, the seeds began to germinate, so that the temperature in the greenhouse could not be too high.

V. Management in the later stage

In the later stage of grape planting, a reflective film should be laid on the original covered infrastructure, so that the light intensity in the greenhouse can be controlled at about 30%, which is very effective for plant photosynthesis. Usually according to the growth of grapes to provide certain nutrients, different growth periods need different fertilizers, such as fruit expansion period, it is best to ensure the use of phosphorus and potassium fertilizer to promote plant growth.

In winter, we should pay attention to the pruning of grapes, according to the larger length of grapevines as the main pruning object.