Formation of sowing qualities of oil radish seeds depending on the nutrition system in the Western Forest-Steppe
Abstract
The reasons for the limited distribution of oil radish include the lack of seeds caused by the imperfection of the elements of cultivation technology, which requires additional research. The purpose of this study was to improve the technology of growing oil radish varieties through the plant nutrition system. Methodological research was based on general scientific and special methods. The study was conducted at the experimental base of the Department of Seed Production and Seed Science of the Institute of Agriculture of the Carpathian Region of the National Academy of Agrarian Sciences of Ukraine. Based on the results obtained in 2022-2024, it was substantiated that the low natural fertility of grey forest surfacegleyed soils of the Western Forest-Steppe and the insufficient supply of microelements in them cause low yields and seed quality of the crop under study. This problem can be solved by developing a balanced nutrition system for oil radish based on innovative macro- and microelements. Under effective pre-sowing seed treatment with microfertilisers in combination with insecticidal and fungicidal seed treatment with Modesto preparation, 48% FC (12.5 l/t) and against the background of mineral fertilisers in the norm of N30P90K100 with nitrogen fertilisation + N50 (main growth stage and developmental stages – BBCH 14-16) +N30 (BBCH 52-53), the statistically significant yield increases were 0.23-0.36 t/ha. Balanced plant nutrition contributed to the improvement of sowing qualities of seeds, specifically, the thousand-kernel-weight, germination energy, and laboratory germination. The improved nutrition system for oil radish, considering the introduction of mineral fertilisers and chelated micronutrients into the cultivation technology, can be used by agricultural enterprises and farms engaged in growing the crop for seeds, which will increase the production of seed material to expand the sown areas in the region
Keywords
oil radish; variety; seeds; mineral fertilisers; micronutrient fertilisers; yield; sowing qualities
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