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EFFECT OF LUVISOL LOAMY SAND SOIL SUPPLY BY BORON ON ENZYMES ACTIVITY AND POTATO YIELDS

Abstract

The estimations of hydrolytic (invertase and urease) and oxidation (polyphenoloxidase and peroxidase) enzyme activities were conducted in the field experiment modeling different supply of Luvisol loamy sand soil by water soluble boron (0,3; 06-0,7; 0,9-1,0; 1,2-1,3 и 1,5-1,7 mg kg-1). Biologically filled level of Luvisol loamy sand soil supply by water soluble boron was determined - 0,9-1,0 mg kg-1, that stimulate mineralization and humification processes in soil on treatments with organic and mineral fertilization and their combination with foliar sprays by boron (0.05 kg ha-1). The rise of water soluble boron concentration in Luvisol loamy sand soil from 0.3 up to 1.0 mg kg-1 resulted in the increase of potato yields. The efficiency of foliar spray of potato by boron fertilizer MicroStim-Boron was higher under low soil supply by boron.

For citations:


Mikhailouskaya N.F., Rak M.V., Pukalova E.N., Dyusova S.V. EFFECT OF LUVISOL LOAMY SAND SOIL SUPPLY BY BORON ON ENZYMES ACTIVITY AND POTATO YIELDS. Soil Science and Agrochemistry. 2016;(1):201-211. (In Russ.)

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ISSN 0130-8475 (Print)