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On good predecessors, at timely and high-quality processing of the soil, introduction of organic fertilizers it is enough winter to give 30 - 60 kg/hectare of nitrogen before crops to provide necessary development of plants about falls and successful rewintering

Main signs of kinds of wheat following: an ostistost, that is existence or absence on an ear of awns; an opushennost koloskovy scales (which can be as well naked); coloring of an ear (white, red, black); coloring of awns (identical with coloring of an ear or black at white and red ears; grain coloring (generally white and red; with white coloring carry to grain purely - white, yellowish and light pink, with red - dark pink, red and reddish it is brown.

The greatest productivity of winter crops is provided on fields with optimum agrochemical properties of the soil. For obtaining high productivity agrochemical indicators have to be in limits not less: acidity rn-. 7, the content of phosphorus and potassium —. 15 mg on 100 g of the soil.

Crops terms. One of decisive factors of safe rewintering winter - optimum terms of crops. At too early crops of a plant possess the lowered frost resistance and winter hardiness. Negative influence of early terms of crops on the fertilized pure couples where plants, having the best water and food mode is especially strongly shown, outgrow, badly winter that leads to sharper decrease in productivity. At late terms of crops winter, as a rule, go to winter the weak. Even under good conditions of rewintering they izrezhivatsya, and lag behind in growth and development in the spring.

Each type of wheat is subdivided into versions. Only morphologically steady signs of an ear and grain are the basis for division of views of versions. This classification is unilateral: it does not give an idea of biological character of forms, does not connect them with ecology and geography. However it is valuable for practical purposes as gives a basis for morphological systematization of grades.

Long-term experience of receiving big crops of winter grain crops shows that strengthening of gross collecting grain can go not only at the expense of means of chemicalixation, but also due to improvement of improvement of an agrotechnology. Against a high agrotechnology winter crops give high productivity of-.60 c/hectare.

Optimum for winter doses of nutrients are N90-120 P80-100 K90-12 All dose of phosphoric and potash fertilizers it is better to bring under plowing, allocating 5 100 kg of the granulated superphosphate for ryadkovy introduction at crops Nitric fertilizers before crops contribute partially, the main share them it is better to give in a look after rewintering winter next spring and in the summer