1. Lightly watering seedlings. In the greenhouse, after the planting of tomatoes, the amount of water needed for the seedlings to grow slowly is not large. For this reason, the watering seedlings generally have to be lightly watered once every 7 days after the planting, and the cultivator should raise the temperature in time.
2. Small watering of flowering water. In the greenhouse, the tomato grows stronger at the beginning of the flowering period. For this purpose, the soil drought should be poured as little as a small amount of water. If the amount of water is too large, the branches and leaves may become intractable.
3. Water enough to remind fruit water. The first fruit of the greenhouse tomato grows into a prosperous period when it grows to a diameter of about 1 cm. At this time, it is necessary to pour water once to promote fruit enlargement so as to avoid the appearance of stale fruit.
4. Often poured fruit water. At this time, watering is often required to keep the soil moist. It is generally necessary to pour water once every 3-5 days in order to prevent empty fruit or deformed fruit.
5. Do not pour low-temperature water. If the water temperature is too low, the temperature of the ground will drop sharply, affecting the rise of temperature, and it will cause cold roots and roots. Therefore, it should not be poured pit water.
6. Cloudy water. Affect the temperature rise, but also caused the increase of air humidity in the shed caused early blight, late blight and other diseases.
7. Do not water in the evening. Tomatoes should not be watered in the evening, especially after the results, will cause too much humidity in the shed, causing the occurrence of disease such as gray mold, but also cause the plants are long or crazy.
8. Not much flooding. Flood irrigation not only causes a sharp drop in ground temperature, but also may cause fruit cracking in tomatoes, and may also cause soil compaction, affecting root respiration and plant growth.
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