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THE YIELD OF CORN GREEN MASS IN RELATION TO LEVELS OF EXCHANGEBLE MAGNESIUM IN THE PODZOLUVISOL LOAM SOIL AND FERTILIZERS

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Abstract

The two years studies of green mass corn yield responses in model field experiment with four different levels of exchangeable magnesium content in soil has been presented. It was found the positive yield response on 11-19% in the limits of Mg content 73-181 mg kg-1 of soil. Further increase of Mg content in soil up to 235-243 mg kg-1 was excessive, it followed by reduction of green mass yield on 5-9%. Significant yield response to foliar spray of Mg fertilizer was noted only on low and medium content of exchangeable Mg in soil.

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Tavrykina O.M., Bogdevich I.M., Dovnar V.A., Tret’Yakov E.S. THE YIELD OF CORN GREEN MASS IN RELATION TO LEVELS OF EXCHANGEBLE MAGNESIUM IN THE PODZOLUVISOL LOAM SOIL AND FERTILIZERS. Soil Science and Agrochemistry. 2012;(1):90-99. (In Russ.)

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ISSN 0130-8475 (Print)