Abstract
Under the conditions of a field experiment the effect of the humic preparation BIO-Don on the growth of apple seedlings of the Vishnevaya variety was studied. The humic preparation was used in the form of a diluted solution in various ways: with irrigation water under the root of the plant, spraying on the leaf, and a combination of application to the soil with foliar treatment. The results have shown that in the first month after treatment, there is a noticeable advance in plant growth in all variants with the humic preparation, however, a statistically significant increase in growth was noted only in the variant with leaf treatment. The greatest increase in the thickness of the trunk was observed in the variant with a combination of the first two methods (application to the soil + foliar treatment). Keywords: HUMIC PREPARATION, APPLE SEEDLINGS, CALCIC CHERNOZEM, NUTRITIONAL ELEMENTS
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