Watering tomatoes (both in the greenhouse and in the ground) is necessary in the first half of the day, so that excess moisture has time to evaporate before the evening, since waterlogging in combination with temperature changes leads to the development of infections. Sprinkling, that is, watering over the leaves, tomatoes is harmful: the ingress of water on the leaves also contributes to the spread of fungal diseases. Do not water the plants with cold water from a well or borehole – let it warm up a little. Rainwater is useful for tomatoes, as it contains a lot of dissolved oxygen.
How to water tomatoes in a greenhouse
Greenhouse tomatoes are watered frequently and evenly. If the soil is dry, then abundant watering can cause cracking of the fruits, so do not “fill” your greenhouse if you accidentally dry it out: it is better to water it a few times a little.
Moderate watering is recommended on the first cluster before fruit sets, but without drying out the topsoil. When the mass pouring of fruits begins, the rate is increased. Stunted plants and loss of flowers can be signs of a lack of moisture.
Watering soil tomatoes
Low-growing tomatoes grown in the open field are distinguished by a friendly return of the harvest. They are watered abundantly until the end of July, while the fruits are poured, then watering is reduced to speed up ripening.
The watering requirement for ground tomatoes can be reduced by using the hilling cultivation method. 3-4 weeks after planting, when “pimples” (rudiments of adventitious roots) are formed on the lower part of the stems, spud the tomatoes to a height of 5-7 cm, shoveling the soil out of the rows. Hilling is carried out with moist soil after watering. As a result, additional roots are formed above the root collar of plants, enhancing nutrition.