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Article

Active Control of Greenhouse Climate Enhances Papaya Growth and Yield at an Affordable Cost

1
Department of Agronomy, University of Almería, ceiA3, 04120 Almería, Spain
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Cajamar Experimental Station ‘Las Palmerillas’, El Ejido, 04710 Almería, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Dimitrios Savvas
Agronomy 2021, 11(2), 378; https://doi.org/10.3390/agronomy11020378
Received: 2 February 2021 / Revised: 13 February 2021 / Accepted: 17 February 2021 / Published: 20 February 2021
(This article belongs to the Section Horticultural and Floricultural Crops)
Papaya is a tropical fruit crop that in subtropical regions depends on protected cultivation to fulfill its climate requirements and remain productive. The aim of this work was to compare the profitability of different climate control strategies in greenhouses located in subtropical areas of southeast Spain. To do so, we compared papayas growing in a greenhouse equipped with active climate control (ACC), achieved by cooling and heating systems, versus plants growing in another greenhouse equipped with passive climate control (PCC), consisting of only natural ventilation through zenithal and lateral windows. The results showed that ACC favored papaya plant growth; flowering; fruit set; and, consequently, yields, producing more and heavier fruits at an affordable cost. Climate control strategies did not significantly improve fruit quality, specifically fruit skin color, acidity, and total soluble solids content. In conclusion, in the current context of prices, an active control of temperature and humidity inside the greenhouse could be a more profitable strategy in subtropical regions where open-air cultivation is not feasible. View Full-Text
Keywords: Carica papaya L.; protected cultivation; climate control strategies; active climate control; passive climate control; profitability Carica papaya L.; protected cultivation; climate control strategies; active climate control; passive climate control; profitability
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MDPI and ACS Style

Salinas, I.; Hueso, J.J.; Cuevas, J. Active Control of Greenhouse Climate Enhances Papaya Growth and Yield at an Affordable Cost. Agronomy 2021, 11, 378. https://doi.org/10.3390/agronomy11020378

AMA Style

Salinas I, Hueso JJ, Cuevas J. Active Control of Greenhouse Climate Enhances Papaya Growth and Yield at an Affordable Cost. Agronomy. 2021; 11(2):378. https://doi.org/10.3390/agronomy11020378

Chicago/Turabian Style

Salinas, Irene, Juan J. Hueso, and Julián Cuevas. 2021. "Active Control of Greenhouse Climate Enhances Papaya Growth and Yield at an Affordable Cost" Agronomy 11, no. 2: 378. https://doi.org/10.3390/agronomy11020378

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