Contamination of agricultural products by nitrates on the example of the Kremenchug district
Keywords:
nitrates, soil, nitrification, agriculture, Kremenchug districtAbstract
Accumulation of nitrates in vegetables having grown mainly within the limits of the Kremenchug district is exposed in the result of carried out researches. The average and maximum concentrations of nitrates in vegetables were analised. For most vegetables exceeded the MPConlymaximum concentrations of nitrate, and the average value of concentration- inthe normal range.Causes andfactorsof nitrate accumulation in crops: non-uniform application of fertilizersspreaders from the use of incomplete, inadequate transportation and storage technologies fertilizers and soil properties, meteorological conditions,morphological and physiological characteristics of individual plants, plant variety,and so on.The measures to reduce nitrate contentin vegetable production: the use of slow actingpolymeric forms offertilizers, fertilizer granules coating protective film, capsules, local application ofnitrogen fertilizers.
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