Impact of Foliar Fertilization on the Content of Silicon and Macronutrients in Sugar Beet
Arkadiusz Artyszak | Dariusz Gozdowski | Katarzyna Kucińska
The present study was conducted to assess the effect of various multinutrient foliar fertilization treatments on nutrient accumulation in the roots and leaves of sugar beet. The field experiment was performed in two growing seasons (2013 and 2014) in the southeastern region of Poland. The experiment was conducted as a randomized block design with four replications. To determine the content of the selected nutrients (Si, N, P, K, Mg, and Ca), samples of leaves and roots were collected during harvest. Fertilization treatments applied on the plants’ leaves affected the silicon (Si) content in the roots of sugar beet and the total Si uptake. Moreover, foliar fertilization had a significant effect on the P content in the leaves and the N and K contents in the roots. The Si content in the sugar beet leaves and roots ranged from 0.55 to 1.97 g kg<sup>−1</sup> dry matter (d. m.) and from 0.49 to 1.59 g kg<sup>−1</sup> d. m., respectively. The total Si uptake ranged from 20.3 to 46.7 kg ha<sup>−1</sup>. Most of the Si content taken up with each fertilization variant was accumulated in the roots. The yield of pure sugar was not correlated with the Si content in the leaves and roots.
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