NITRATES IN BEETROOT AND SODIUM FERTILIZATION

The demonstrational comparative experiment with (round red) beetroot fertilized by sodium with the doses of 100 and 200 kg ha(-1) NaCl inaddition to the basic NPK fertilization showed 29% reduction in the nitrate content in the fresh matter of the harvested beetroot. At the same time, the beetroot yield increased by 8.8%. The increase in the yield resulted in further uptake of nitrogen from the soil, so after the conversion of the increased yield, the actual reduction of the NO3- content in the experimental sodium fertilization variant was 27%. The water content in the experimental soil increased, but a negative impact on the water-air soil regime has been negligible so far.