Abstract
The results of the atomic-emission and X-ray spectrometry analysis of the mineral composition of humic fertilizers from brown coal are reported. Upon the treatment of soil with bedded out carrot and lettuce using humic fertilizers, a portion of the mineral matter of humates was transferred into the vegetable crops. It was found that the concentrations of boron, iron, magnesium, manganese, copper, molybdenum, calcium, potassium, cobalt, selenium, and zinc minerals in the vegetable crops increased by 13.7–281.0%.
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