In all industrially developed countries a problem of biological nitrogen – one of the most important in biological researches. High efficiency of use of biological nitrogen defines big practical value of the researches directed on increase of its role in nitric balance of agriculture. Being one of the main links of an ekologizatsiya of agricultural production, biological nitrogen allows to receive big stable crops, providing reproduction of soil fertility.
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Daily Archives: June 4, 2014
Shevro from kozliny
In article the dressing technique from kozliny is given.
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