Мақола

Integrated Multi-Row Onion Production Under Contrasting Seasonal Conditions: Seeder Optimization, Nutrient Management, Crop Protection, and EIQ-Adjusted Sustainability

Farmon МамаtovDepartment of Agricultural Engineering, Karshi State Technical University, Karshi 180100, UzbekistanСыромятников Ю.Н.Department of Fruit and Vegetable Growing and Viticulture, Institute of Agrobiotechnologies and Food Safety, Samarkand State University Named After Sharof Rashidov, Samarkand 140104, UzbekistanAkmal EshdavlatovDepartment of Agricultural Engineering, Karshi State Technical University, Karshi 180100, UzbekistanAbdirasuli IbragimovDepartment of Mechanical Engineering, Occupational and Technical Safety, Nukus State Technical University, Nukus 230100, UzbekistanVitaliy SnitkoInstitute of Vegetable and Melon Growing of the National Academy of Agrarian Sciences of Ukraine, Selektsiyne, 62478 Kharkiv, UkraineNurmukhammad KhamidovDepartment of Agricultural Mechanization, Karakalpak Institute of Agriculture and Agrotechnology, Nukus 230100, UzbekistanAbdukarim AbdurakhmanovScientific Research Institute of Agricultural Mechanization, Yangiyol District, Gulbahor Town 110800, UzbekistanRustam TovashovDepartment of General Technical Sciences, Karshi State Technical University, Karshi 180100, UzbekistanSaid YuldoshevDepartment of Agricultural Engineering, Karshi State Technical University, Karshi 180100, UzbekistanShavkat RavshanovScientific Research Institute of Agricultural Mechanization, Yangiyol District, Gulbahor Town 110800, UzbekistanBakhtiyar ArtikbaevScientific Research Institute of Agricultural Mechanization, Yangiyol District, Gulbahor Town 110800, UzbekistanAlpisbay TolibaevCenter for Certification and Testing of Agricultural Machinery and Technologies, Yangiyol District, Tashkent 110800, UzbekistanMadina PirnazarovaDepartment of Agricultural Engineering, Karshi State Technical University, Karshi 180100, Uzbekistan

2026en

ABI

Аннотация

Reliable establishment of direct-seeded onion requires coordinated control of sowing geometry, nutrient supply, crop protection, and resource use. This study combined Hartley-4 optimization of a four-section, multi-row ridge seeder with a two-year randomized complete block experiment comprising ten fertilization × crop-protection treatments. Engineering tests at 5.2, 6.4, and 7.6 km h−1 identified a central operating setting at 6.4 km h−1 that maintained a sowing depth of 1.5–2.0 cm and depth variability below 0.5 cm. In field plots, chemical protection with vermicompost produced the highest mean total yield (25.54 t ha−1), whereas chemical split NPK maximized marketable and standard yields. Biological split NPK showed the greatest two-season yield retention (0.780), although biological protection was associated with higher downy mildew severity. The biological biocomplex treatment ranked highest under the author-defined EIQ-adjusted resource-efficiency screening index, but sensitivity analysis showed that intermediate rankings depended on aggregation assumptions. The optimized design provides manufacturers with validated parameter ranges and gives users a constant-speed platform for comparing crop-management programs. Future research should test the seeder across contrasting soil textures and speeds and directly measure field capacity, fuel use, and long-term agronomic performance.

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DOI: 10.3390/agriculture16161716

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