DOI: /10.5513/JCEA01/14.4.1389

Original scientific paper

IONIC EQUILIBRIUM IN MAIZE GRAIN DEPENDING ON THE FERTILISATION AND SOIL TYPE

2013, 14 (4)   p. 1535-1546

Barbara MURAWSKA, Ewa SPYCHAJ-FABISIAK, Tomasz KNAPOWSKI, Bartosz Glowacki

Abstract

The research was performed over 2004-2009 based on the two-factor micro-plot experiment located at Wierzchucinek. Maize grown for grain in monoculture constituted the test crop. The aim of the present paper was to determine the effect of a varied sulphur fertilisation and Basfoliar 36 Extra as well as the soil type on the yield size and the ionic equilibrium of ‘LG 2244’ cultivar maize grain. The mean contents of cations in grain varied considerably and could be classified as follows: Mg >K >Ca > Na. Consequently, those contents, in general resulted in the narrowing of the value of ratios K/(Ca+Mg), Ca/Mg and K/Mg, and widening of the value of ratios K/Ca and K/Na. The interaction of the factors investigated differentiated the value of ratio K:Mg; one of the essential ionic ratios determining the quality of crops allocated to animal feed.

Keywords

chemical composition, ionic equilibrium, maize grain, soil type, sulphur fertilisation

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