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The researches carried out aimed at assessing foliar fertilization bio stimulating effect by increasing fertilizers nutrient use efficiency and their absorption into plants. Foliar fertilizing variants NPK were formulated during the research activities on a PK type matrix base with secondary nutrients and trace elements. The nitrogen source consisted of urea and ammonium nitrate in which 6% of the total nitrogen content was added as 15N isotope to the basic PK type matrix. Agrochemical testing were carried out on ...

Formed under various natural conditions, soils are different from each other with respect to characteristics and fertility from region to region. That is why from ancient times it has existed and evoluated the preocupation for the appreciation, choosing and using the best lands for agriculture. Dolj County belongs to the temperate climatic area, but its position and the depression character of the field which it occupies in the neighbourhood of the bend of the Carpatho-balcanic mountainous chain, determines, on th...