00729naa#a2200205#i#450# EN\\bibl\125934 20260811180024.2 2413-046X 20260705b2026####ek#y0engy0150####ca RU ESTIMATION OF OPERATING COSTS WHEN USING A COMBINED IRRIGATION SYSTEM Journal article Moscow Electronic science 2026 17 с. Journal article local Экономика сельского хозяйства. Продовольственный комплекс. 338.43 Travkin Vladislav Sergeevich Mischenko Nikolay Andreevich Evseev Evgeniy Yur'evich Travkina Alina Rafikovna iacj.ru