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Agroecological features of growing low-distributed new cultures chufa and sweet potatoes in polyculture by organic technology in Transcarpathia

autorzy: Volodymyr Marhitai, Lyubov Margitay

The purpose of our research was to investigate the agroecological prerequisites, features of growth and crop formation of chufa and sweet potato when grown by organic technology in the lowlands of Transcarpathia. Chufa and sweet potatoes were grown in the Uzhhorod district near the village of Tsehlivka on the site of the former floodplain of the Latorytsia River. The average yield of raw Chufa tubers for two years of research at the time of harvest was 14,5 tons per hectare, and dry tubers - 10,3 tons per hectare. It should be noted that Gocha and Georgia Red sweet potato varieties for three years of research and Porto Amarello and Domov Bey varieties for 2019 proved to be good in soil and climatic conditions of the lowland zone of Transcarpathia and have high yields, high reproduction rate, high dietary properties of tubers and however, unlike potatoes, are not affected in our conditions by pests and diseases, which allows to grow organic products. The best variety is Gocha. It has a larger leaf size, a larger number and length of shoots, a larger number of leaves, as a result of which it forms a larger number of tubers under a bush with a larger mass, a higher yield. In 2019, the expediency of growing sweet potatoes in multiculture and in the Rozum beds was shown and the optimal combinations with vegetable, fruit, berry, spicy-aromatic crops were selected. Growing chufa and sweet potatoes can give a good profit. Recommendations for the production and design of energy-efficient greenhouse has been developed. Paper shows that in Transcarpathia it is environmentally sound and appropriate to grow chufa and sweet potatoes in polyculture using organic technology.

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