NUTRIENTS CONTENT IN PLANTS AND THEIR REMOVAL WITH THE ONION HARVEST
There was investigated the quantity of consumption of basic nutrients by onions in this article. It was determined that the increase in the yield level increases the removal of nutrition elements. It was noted that by applying the full dose of mineral fertilizers N<sub>90</sub>P<sub>90</sub>К<sub>90 </sub>separately, for the onion plant by forming 10 tons of commercial products 36 kg of nitrogen, 13 kg of phosphorus and 32 kg of potassium were used. The use of elements, by applying N<sub>90</sub>P<sub>90</sub>К<sub>90</sub> with aftereffect 14 t/ha of manure was not changed significantly, and by applying a half dose of mineral fertilizers (N<sub>45</sub>P<sub>45</sub>К<sub>45</sub>) locally, together with 14 t/ha of humus, the use of potassium increased to 43 kg.