Soil-Specific Effects of the Bio-Growth Regulator Supporter on Seed Potato Yield and Quality Across Varieties: Unlocking Sustainable Potential in Diverse Environments

Piotr Barbaś, Piotr Pszczółkowski, Barbara Krochmal-Marczak, Talal Saeed Hameed and Barbara Sawicka ()
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Piotr Barbaś: Potato Agronomy Department, IHAR—PIB Branch in Jadwisin, Jadwisin, Szaniawskiego 15 Street, 05-140 Serock, Poland
Piotr Pszczółkowski: Research Centre for Cultivar Testing, Słupia Wielka 34, 63-022 Słupia Wielka, Poland
Barbara Krochmal-Marczak: Department of Food Production and Safety, State Academy of Applied Sciences in Krosno, Rynek 1 Street, 38-400 Krosno, Poland
Talal Saeed Hameed: Agriculture Extension & Technology Transfer Department, College of Agriculture & Forestry, University of Mosul, Mosul 41002, Iraq
Barbara Sawicka: Department of Plant Production Technology and Commodities Science, University of Life Science, Akademicka 15 Street, 20-950 Lublin, Poland

Land, 2025, vol. 14, issue 3, 1-37

Abstract: The growing demand for sustainable agricultural practices requires the search for innovative solutions to improve crop yield and quality. This study investigated the soil-specific effects of the bio-growth regulator Supporter on seed potato yield and quality in different potato varieties, with the aim of unlocking its sustainable potential under different environmental conditions. Field trials were conducted on several soil types using the bio-growth stimulator Supporter at a rate of 300 mL per hectare. Standardized agronomic practices, including continuous fertilization, weed control, and pest control, were applied at all test sites to ensure comparability. The results showed that the use of the bio-growth stimulator Supporter significantly increased tuber yield and quality, especially in soils with moderate fertility levels. In the treatments, with the Supporter biostimulator, there was better tuber size uniformity and a higher fraction and number of seed potato. A higher average seed potato mass and higher multiplication coefficient were observed. The effectiveness of the Supporter varied across study locations and soil types, with sandy and sandy loam soils showing the most pronounced benefits, while clay soils showed more limited responses. The results underscore the potential of the Supporter as a sustainable tool for increasing potato seed production, while also emphasizing the need for soil-specific recommendations. This study highlights the importance of integrating growth regulators into precision agriculture to optimize crop performance and support global food security goals. Therefore, further research is needed on the use of biostimulants, which will allow us to understand the purpose of their action, which is important in agricultural practice.

Keywords: bio-growth regulator; soil-specific effects; tuber yield and quality; sustainable agriculture; potato varieties; seed tuber weigh; multiplication rate (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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