Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Impact of Temperature and Precipitation on Solanum Tuberosum Cultivation Using Climate Scenarios to 2100

Version 1 : Received: 5 May 2022 / Approved: 9 May 2022 / Online: 9 May 2022 (08:18:11 CEST)

How to cite: Valqui-Valqui, L.; Valqui, L.; Bobadilla, L.G.; Vigo, C.N.; Vásquez, H.V.; Arbizu, C.I. Impact of Temperature and Precipitation on Solanum Tuberosum Cultivation Using Climate Scenarios to 2100. Preprints 2022, 2022050109 (doi: 10.20944/preprints202205.0109.v1). Valqui-Valqui, L.; Valqui, L.; Bobadilla, L.G.; Vigo, C.N.; Vásquez, H.V.; Arbizu, C.I. Impact of Temperature and Precipitation on Solanum Tuberosum Cultivation Using Climate Scenarios to 2100. Preprints 2022, 2022050109 (doi: 10.20944/preprints202205.0109.v1).

Abstract

The objective was to estimate the monetary loss of potato producers up to the year 2100 as a result of temperature and precipitation impacts, taking into account the A2 and B2 scenarios of the IPCC (Intergovernmental Panel on Climate Change). The Pooled Production Panel Model was used, whose database was prepared taking into account climatic variables (temperature and precipitation) and agricultural variables (production, harvested area, farm-gate price) for the period 1996 - 2020, which form the independent variables of the study. The estimations used 60 observations and a total of 38 estimations were run in the econometric software EViews8, of which Equation 05 of the Production Pooled Panel Model was chosen as the best. The model obtained used temperature and precipitation forecasts from Brazil's INPE (National Institute for Space Research), validated for the study area. The results indicate a concave function between potato production (t/ha), temperature and precipitation. Finally, based on the A2 climate scenario, which is the most pessimistic and using the period 2021 - 2100, a loss for potato producers of approximately 8'927,521.48 million soles was estimated.

Keywords

economic valuation; potato; yield; profitability; climate change

Subject

BIOLOGY, Agricultural Sciences & Agronomy

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