Microclimate and development of Coffea canephora intercropped with Carica papaya: measures to mitigate climate change

Evelyn Trevisan; Marcos Góes Oliveira; Gustavo  Pereira Valani; Gleison Oliosi; Moises Zucoloto; Robson Bonomo; Fábio Luiz Partelli

doi:10.14393/BJ-v38n0a2022-57099

Authors

Evelyn Trevisan Universidade Federal do Espírito Santo
Marcos Góes Oliveira Universidade Federal do Espírito Santo https://orcid.org/0000-0002-0843-5979
Gustavo Pereira Valani Universidade de São Paulo https://orcid.org/0000-0001-7002-1753
Gleison Oliosi Universidade Federal do Espírito Santo
Moises Zucoloto Universidade Federal do Espírito Santo
Robson Bonomo Universidade Federal do Espírito Santo
Fábio Luiz Partelli Universidade Federal do Espírito Santo https://orcid.org/0000-0002-8830-0846

DOI:

https://doi.org/10.14393/BJ-v38n0a2022-57099

Keywords:

Agroforestry systems, Conilon coffee, Papaya trees, Sustainable farming.

Abstract

Intercropped systems with Conilon coffee might provide a better environment for coffee production. The aim of this study was to assess the microclimate and development of Conilon coffee intercropped with papaya trees. Papaya was planted with spacing of 3.20 x 2.40 m. The coffee trees were planted after eight months, with spacing of 3.20 x 1.60 m, in-between papaya trees (in the same row). The measurements were taken 0, 40 and 80 cm away from the coffee plants, both in the north and south direction. Concomitantly, an adjoining full sunlight coffee system (not intercropped) was also assessed. The measurements included atmospheric parameters (temperature, irradiance, and relative humidity) and vegetative parameters for the coffee plants (leaf area, relative chlorophyll index, length of plagiotropic branches, length of orthotopic branches and number of nodes) in three periods of the year. The intercropped system of Conilon coffee and papaya trees led to a decrease in both irradiance and temperature, and higher means of relative humidity during daytime in all the periods assessed, which contributes to a better environment for coffee cultivation. The shadow provided by papaya trees in the coffee plants contributed to a higher leaf area but did not affect neither the growth of both plagiotropic and orthotopic branches, nor the number of nodes and the etiolation. The intercropped system of Conilon coffee and papaya trees may be potentially used as a farming system to mitigate climate change.

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