In the time of tomato planting, in order to maintain high quality and high yield of tomatoes, farmers must do a good job in planting and managing tomatoes. Tomato watering seems to be simple, but in fact it is learned! What are the methods of tomato watering? This article will introduce you in detail for reference.

When is the tomato watered?

After the result of tomato seedlings (the first fruit is like the size of a walnut), watering is started. Generally, the seedling water is transplanted once to transplant the seedling water, and the water is controlled until the first ear is swollen to 2-4 cm of the young fruit. The seedlings are irrigated every 10-15 days, and the whole growth period is 3 to 4 times, and each irrigation is 60-110 cubic meters per acre.

Irrigation should be done with fine flow ditch irrigation, flood irrigation is strictly forbidden, rotten fruit and disease are avoided, and cultivating is strengthened to prevent water shortage and dead seedling. In the case of heavier drought, the ditch should be digging early, diverting water and lifting the water. After the irrigation of one water, it should be followed by the second water. Afterwards, depending on the business conditions, the three waters will be poured into the green fruit during the expansion period.

Tomato watering method

Tomatoes have the characteristics of water, large water demand and strong drought tolerance. According to the relevant practical experience, the watering method is as follows:

Watering must be carried out according to the characteristics of different growth periods. Under normal circumstances, the tomatoes are planted while watering, and after pouring the water for 3 to 5 days, the seedling water is poured again, until the first ear is sitting and the size of the egg yolk is poured again.

As a result, the early planting was small, the leaf transpiration was small, the number of fruits was small, and the ventilation was small. Generally, water was poured for 7 to 10 days (the amount of water was small). Later, with the growth and development of the plant, the number of fruits increased, the ventilation increased, and the transpiration increased. The number of days between watering and the amount of watering should be shortened, and the soil should be dry and wet (mainly wet), harvested. The soil should be kept moist to increase the weight of the single fruit.

Watering according to the characteristics of the time. Overwintering tomatoes cultivated in winter-heated greenhouses, in addition to pouring water and timely cultivating and cultivating in the planting period, generally do not need to be watered after sitting in the first panicle, and can be covered with mulch to keep moisturizing after pouring water. Then carry out a small water under the membrane to avoid lowering the ground temperature. After the weather warms up, increase the amount of water to meet the growth and development of the fruit. The greenhouse tomatoes cultivated in early spring should be watered in time to meet the water demand.

Watering according to the growth. The plant is dark green, the leaves are shiny, green and flat, and the heart leaves are stretched, which is an even and appropriate expression of moisture. If the heart leaves are not shrinking, the leaves are dark green, and the mild leaves are drooping on sunny days. If the heart leaves are over-expanded, the leaves are large and thin, and the leaves are spit with too much water. It is a manifestation of excessive water, and should be controlled by water.

Watering time in the greenhouse for one day. During the growth period, you should choose sunny watering in the morning. After watering, it should be ventilated and drained. It is not suitable to water in the afternoon, evening or rainy days. Otherwise, the humidity in the shed will be too large, causing downy mildew and other diseases. It is not suitable for watering at noon. In order to avoid the high temperature watering affecting the physiological functions of the root system; the weather is hot in the middle and late stages, and the greenhouse can be ventilated day and night. Water should be given in the morning and evening to cool down.

Watering during fruit picking. Tomatoes should be watered before harvesting, which increases the value of the fruit.

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