Fertilizing columnar apple-tree and plant productivity on sod-podzolic soil
In 2007-2015 years n the long-term agrochemical experiment on sod-podzolic soils, the effect of various doses of mineral and organic fertilizers on the vegetative and generative productivity of columnar apple tree plants of the variety Triumph, President, Valuta, Ostankino was studied. In the experiment were determined the biometric indicators of plants when applying single and double doses of mineral and organic fertilizers. An increased dose of fertilizers did not cause a significant increase in the vegetative and generative productivity of columnar apple tree plants.