Abstract
Water shortage and drought are a growing problem in Europe. Therefore, effective methods for limiting its effects are necessary. At the same time, the “field to fork” strategy adopted by the European Commission aims to achieve a significant reduction in the use of plant protection products and fertilizers in the European Union. In an experiment conducted in 2018–2020, the effect of the method of foliar fertilization containing silicon and potassium on the yield and technological quality of sugar beet roots was assessed. The fertilizer was used in seven combinations, differing in the number and time of application. The best results were obtained by treating plants during drought stress. The better soil moisture for the plants, the smaller the pure sugar yield increase was observed. It is difficult to clearly state which combination of silicon and potassium foliar application is optimal, as their effects do not differ greatly.
Highlights
The “field to fork” strategy adopted by the European Commission places significant restrictions on the use of plant protection products and mineral fertilizers
Bundesanstalt, Bundessortenamt und CHemische Industrie growth stage scale) 16 stage, and 6 with foliar application of the tested product resulted in a significant increase in the root yield in relation to the control
In year 2019, treatments No 1, 2, 3, i.e., treatments where the first foliar fertilization was applied in BBCH 16 stage, and 5 had significantly higher sugar yields
Summary
The “field to fork” strategy adopted by the European Commission places significant restrictions on the use of plant protection products and mineral fertilizers. This threatens reduction of the production; it is necessary to look for innovative technologies that could prevent it, and one of them may be silicon foliar application [1,2]. Application of silicon causes reduction of plant infestation by diseases [3,4,5,6,7,8,9,10] and pest [5,8,9,11,12,13]. Silicon can reduce the negative impact of heavy metals on plants [36,37,38]
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