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Information × Registration Number 0223U005034, (0121U108404) , R & D reports Title Development of sunflower growing technology for growing in the Western region of Ukraine popup.stage_title Розроблення технології вирощування соняшнику для вирощування в умовах Західного регіону України Head Kurach Oksana V., Кандидат сільськогосподарських наук Registration Date 13-12-2023 Organization Institute of Agriculture of Western Polissya, National Academy of Sciences of Ukraine popup.description1 The purpose of the work is to develop agrotechnical methods of sunflower cultivation, which provide rational systems of fertilization and care of crops, which will ensure the maximum possible realization of the biological potential of hybrids adapted to the conditions of the region. popup.description2  The object of the research is the process of forming the yield and quality of sunflower seeds on typical low-humus light loamy chernozem in the conditions of the Western Forest Steppe. The subject of research is fertilizer, foliar fertilization, low-humus chernozem. Research methods. The research is based on field experiments using the following methods: counting and weighing - to determine the parameters of the crop structure and seed yield; chemical - to determine the content of nutrients in the soil, oil content; mathematical and statistical - to assess the reliability of research results; calculation and comparative - to determine the economic efficiency of growing technologies. The aim of the study. Develop a balanced system of plant nutrition to increase the productivity of sunflower hybrids, which will ensure the maximum possible realization of their biological potential for the conditions of the region. As a result of the conducted research, the technology of growing sunflowers in the conditions of Western Polissia has been improved, which will ensure the maximum possible realization of their biological potential for the conditions of the region. The largest basket diameter of 24.3 cm and the number of baskets of 6.1 pcs./m2 was noted in the hybrid Feeder for the N90Р60К120 fertilization system in combination with two-time foliar fertilizing of Vympel 2 plants (0.5 l/ha) in phase 3-4 and 5- 6 leaves, while on the version without fertilizers and water treatment (control), the indicators were significantly lower, 18.9 cm and 4.4 pcs./m2, respectively. A significant effect on the growth processes of sunflower was recorded under the recommended fertilization system N90Р60К120 in combination with two-time foliar fertilization of Vimpel 2 (0.5 l/ha) in the phase of 3-4 and 5-6 leaves in the hybrid Feeder and was the highest - 226 cm, in relation to variant without fertilizers and treated with water (control), where this indicator was the smallest - 175 cm. For th Product Description popup.authors popup.nrat_date 2023-12-13 Close