Keywords: hydrogel, granule, fruit weight, nitrates, protein, dry matter, yield


The research was conducted in 2020–2021 in the conditions of the Right-Bank Forest-Steppe of Ukraine. The results of studying the effectiveness of absorbents in the form of gel and granules on the productivity of tomato plants when applied under the predecessor – basil. The scheme of the experiment included hybrids of Bobcat F1 and Usman F1 tomatoes, which were grown according to the generally accepted technology, and absorbents of TM «MaxiMarin» in the form of granules and gel. The use of absorbent materials increased the number of raceme per plant by 1 piece, or 20%, but unfilled raceme, which formed 2–3 fruits instead of 4–5 pieces; contributed to an increase in the number of flowers by 25.0–47.1% depending on the hybrid and absorbent; the number of fruits per plant increased by 21.4 and 18.8% in Bobcat and Usman hybrids due to the use of absorbent in the form of granules. The use of absorbents contributed to an increase in fruit weight by 2.3–4.5% relative to control. Bobcat hybrid reacted more significantly, the increase in fruit weight with the use of granules was 5.0%, gel – 2.2%. In the Usman hybrid, fruit weight increased by 4.5 and 2.6%, respectively. The yield of tomatoes using absorbent materials in the form of granules increased by 27.1 and 24.0%, respectively, in the hybrid Bobcat and Usman; in the form of a gel – by 16.9 and 15.4%. Tomato productivity is increased with the use of superabsorbent polymers. Analyzing the indicators of biochemical composition, it can be stated that absorbent materials significantly reduce the quality of products. Thus, the dry matter content in fruits decreased by 7.3–13.1% depending on the hybrid and the form of the absorbent; ascorbic acid content of 5.3–16.8%; protein by 6.4–12.8%. The results of research indicate an improvement in the production processes of the agricultural agrocenosis, which further contributes to increasing the yield of tomatoes. This element of technology can be recommended to farmers who grow vegetables in areas with unstable or insufficient rainfall, which will significantly increase yields and conditional yield per unit area, but insignificantly reduce the quality of tomato fruit.


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How to Cite
Yatsenko, V. V., Vorobiova, N. V., Kravchenko, V. S., & Vyshnevska, L. V. (2022). FORMATION OF TOMATO PRODUCTIVITY AFTER ABSORBENTS. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, 47(1), 144-150.