Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Sustainable Potato Production: A Model of Potato Production at Low Latitude Plateau in Winter, Yunnan Province, China

Version 1 : Received: 19 February 2022 / Approved: 22 February 2022 / Online: 22 February 2022 (10:06:43 CET)

How to cite: Jin, P.; Elie, N.; Baoju, Z.; Zhenhua, Z.; Shen, X.; Li, Z.; Hongji, Z.; Decai, Y. Sustainable Potato Production: A Model of Potato Production at Low Latitude Plateau in Winter, Yunnan Province, China. Preprints 2022, 2022020267. https://doi.org/10.20944/preprints202202.0267.v1 Jin, P.; Elie, N.; Baoju, Z.; Zhenhua, Z.; Shen, X.; Li, Z.; Hongji, Z.; Decai, Y. Sustainable Potato Production: A Model of Potato Production at Low Latitude Plateau in Winter, Yunnan Province, China. Preprints 2022, 2022020267. https://doi.org/10.20944/preprints202202.0267.v1

Abstract

Potato (Solanumtuberosum L.) is the world's largest non-cereal crop, occupying a position critical for global food security, the fourth largest crop food in China. Due to its location and weather conditions, Yunnan province is the fourth largest potato producer in China with twice yearly production system. However, compared to high number of consumers, potato yield is still low to satisfy the population need. In this study, we have analyzed impacts of three cultivation factors: (1) three cultivation models (T1, T2, and T3), (2) planting density (T1, T2, and T3), (3) soil covering (T1, T2, T3, T4) on plant growth, and yield production. The soil moisture content, temperature, roots growth, stems development, leaf area index, and number-weight of tubers per plant and per plot (g) have significantly increased with commercial yield average of 3tones/mu. This suggests that the combination of these three factors would be a great potato extension model in winter climate zones similar to Yunnan Province. This will contributes in satisfaction of the world population potato consumption need.

Keywords

potato cropping systems; cultivation model; planting density; soil cover; sustainable productivity

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

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