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Information × Registration Number 0211U007568, 0106U004755 , R & D reports Title Agrocemical survey of agricultural lands popup.stage_title Head Koval Vladimir, Registration Date 12-07-2011 Organization Poltava regional state project-technological center of guard of fertility of soils and quality of products popup.description2 The investigations of soils of agricultural use were carried out in the territory of the region in 2006 - 2010 (the 9th period of investigation) and covered an area of 1069, 8 thousand hectares. The received results show that the amount of humus in region's soils has decreased 0,13 per cent against last period of investigation. The amount of nitrogen has decreased 12,3 mg/kg, phosphorus and potassium has increased 2,4 and 0,6 mg/kg of the soil. It caused the rearrangement of region's soils by categories. An increase of introducing chemical fertilizers gradually gives good results as to the amount of phosphorus and potassium. But the decrease of introducing organic fertilizers causes the decreasing amount of humus in the soil. It is necessary to implement alternative ways of soil replenishment with organic substances. Product Description popup.authors Брегеда С.Г. Коваль В.В. Наталочка В.О. Нечитайло В.М. Ткаченко С.К. Яроша А.О. popup.nrat_date 2020-04-02 Close