What methods can protect tomato seedlings from frost.

In central Russia, in May or even early June, there are frosts. Usually, at this time in the greenhouse seedlings already growing tomatoes, which must be saved from sudden changes in temperature.

While in greenhouses, tomatoes capable of withstanding a temperature of at least -4 °. If it falls below, it is necessary to take action.

What should you do to seedlings are not damaged by frost?

You can install arches, which are covered with a dense film or spunbond directly inside the greenhouse. In the absence of these materials, you can use the means at hand - the old stuff, paper, film.
Equally effective is the use of dark plastic bottles of water. Throughout the day, under the influence of sunlight, the water is heated, and at nightfall, bottle plants give off their heat, warming them. But it is worth noting that this method is not much heat the greenhouse, it will change the temperature just half a degree.
If you have a dark barrel, it can also help in the rescue of seedlings. Fill it with water and allow to warm up. Give heat tomatoes it will be much more than a small bottle.

Many gardeners use to warm the greenhouse capacity, with burned-out embers. If the coal is not, then allowed to warm up the bricks and put them on the metal sheets. Many people use the grill with hot coals.
Application for warming tobacco checkers, will maintain a certain temperature in the greenhouse at night. But it should be borne in mind that seedlings should be small, strong and undergo hardening. If the bushes have time to stretch out, then they bend down to the ground, as the heat will come from the soil.
Do I need to undergo the procedure of recovery after frost
At the time of frost, any plant is under stress, and that had no effect on tomatoes, they should be fertilized in the freezing of the future. For fertilizing use humic acids, which are perfectly relieve stress and reanimate the bushes. The fertilizer should be applied at the root. Infusion of mullein will be no less effective.

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