&nbsp; &nbsp;To obtain high yields of vegetables in greenhouses, it is necessary to apply mineral fertilizers moderately, to carry out all agrotechnical measures correctly and in a timely manner. The reason is that the creation of optimal microclimate conditions in greenhouses for agricultural crops is the key to obtaining high and high-quality yields.
&nbsp; &nbsp;The temperature in the greenhouse for tomatoes during the day is +22&ndash;25&deg;С, at night +17&ndash;18&deg;С, relative humidity is 75&ndash;80%. Exceeding or lowering the temperature will adversely affect the growth and resistance of plants to diseases. To prevent this from happening, it is necessary to treat the flowers of tomatoes with solutions of special preparations. In the autumn-winter period, it is recommended to cut off the growth point of tomato seedlings in the greenhouse after 7-8 days of flowering. This has a positive effect on productivity.
&nbsp; &nbsp;Tomato seedlings should be watered every 5-6 days, depending on the relative humidity after planting. The water temperature in winter should be around 15-16&deg;C. According to the results of soil analysis in the greenhouse, it is determined how much nitrogen (N), phosphorus (R), potassium (K) must be added to the soil. Fertilizing seedlings with calcium (Ca), boron (V), magnesium (Mg) at a young age gives good results.

In the last autumn, winter and early spring, protected fields play an important role in providing the population with vegetables; greenhouse vegetable growing.
Greenhouse vegetable growing is one of the main branches of agriculture, which makes it possible to provide people with fresh, vitamin food even on snowy days.

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