Infrared thermography for microclimate assessment in agroforestry systems

Karvatte, Nivaldo; Miyagi, Eliane Sayuri; Oliveira, Caroline Carvalho de; Barreto, Camilla Diniz; Mastelaro, Ariadne Pegoraro; Bungenstab, D. J.; Alves, F. V.

doi:10.1016/j.scitotenv.2020.139252

Cited by 14 publications

(10 citation statements)

References 35 publications

(72 reference statements)

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“…Numerous studies have highlighted the relationships between microclimate variables and canopy thermal characteristics in pasture environments [ 35 , 53 , 54 , 55 , 56 , 57 , 58 ]. Do not consider these interactions to influence substantial errors in climate measurements, due to temperature variation between the ground surface and the air masses above the canopy [ 59 ].…”

Section: Discussionmentioning

confidence: 99%

Thermographic Profiles in Livestock Systems under Full Sun and Shaded Pastures during an Extreme Climate Event in the Eastern Amazon, Brazil: El Niño of 2023

Silva,

Martorano

et al. 2024

Animals

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The El Niño represents a substantial threat to pastures, affecting the availability of water, forage and compromising the sustainability of grazing areas, especially in the northern region of Brazil. Therefore, the objective of this study was to characterize the thermographic profile of three production systems in the Eastern Amazon, Brazil. The study was conducted on a rural cattle farm in Mojuí dos Campos, Pará, Brazil, between August and November 2023. The experiment involved livestock production systems, including traditional, silvopastoral and integrated, with different conditions of shade and access to the bathing area. An infrared thermographic (IRT) camera was used, recording temperatures in different zones, such as areas with trees, pastures with forage and exposed pastures. The highest mean temperatures (p = 0.02) were observed in pastures with full sun from August to November. On the other hand, the lowest average temperatures were recorded in areas shaded by chestnut trees (Bertholletia excelsa). The highest temperature ranges were found in sunny areas and the lowest were recorded in shaded areas. The highest temperatures were observed in the pasture in full sun, while the lowest were recorded in areas shaded by chestnut trees (p < 0.0001). The interaction between the systems and treatments revealed significant temperature differences (p < 0.0001), with the native trees showing an average temperature of 35.9 °C, lower than the grasses and soil, which reached 61.2 °C. This research concludes that, under El Niño in the Eastern Amazon, areas shaded by Brazil nut trees had lower temperatures, demonstrating the effectiveness of shade. Native trees, compared to grasses and soil, showed the ability to create cooler environments, highlighting the positive influence on different species such as sheep, goats and cattle.

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Section: Discussionmentioning

confidence: 99%

Thermographic Profiles in Livestock Systems under Full Sun and Shaded Pastures during an Extreme Climate Event in the Eastern Amazon, Brazil: El Niño of 2023

Silva,

Martorano

et al. 2024

Animals

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“…Additionally, AF practices can positively impact the microclimate experienced by crops, providing resilience against drought and heat waves (Arenas‐Corraliza et al, 2022; Gomes et al, 2020; Karvatte et al, 2020; Kuyah et al, 2019; Schwab et al, 2015; Zhao et al, 2022). The shielding effect of tree leaves reduces direct solar radiation exposure to crops, moderates canopy temperature extremes, increases air humidity and enhances crop tolerance to drought stress (Arenas‐Corraliza et al, 2022; Campi et al, 2009; Coble et al, 2020; Gutierrez et al, 1994; Inurreta‐Aguirre et al, 2018; Kanzler et al, 2019; Lin, 2007; Serrano et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Soil properties affect crop yield changes under conservation agriculture: A systematic analysis

Ren,

Zou,

Jiao

et al. 2023

European J Soil Science

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Conservation agriculture (CA) has the potential to sustain soil productivity and benefit agroecosystems, yet it is not fully understood how yield responses of different cropping systems are affected by inherent soil characteristics, e.g., texture and dynamic soil properties, such as aggregation, nutrients, and erosion. In this study, we conducted a systematic review to compare crop yield from cropland with conventional management versus different CA practices, specifically reduced‐ or no‐tillage, agroforestry, organic farming, and cover crops. The data were first analyzed for different climatic regions, soil textures, and cash crop types. We then quantified how yield responses correlated with soil properties changes under different CA practices. The results showed that CA practices were associated with an overall mean crop yield increase of 12%. This response was primarily driven by corn, which had a mean yield increase of almost 41% after CA implementation, whereas other cash crops did not have significant yield responses or showed slight decreases, as rotation with mixtures of multiple cash crops had mean decrease of 6% when using CA. The increase in corn yield after CA may be related to the enhanced ability of that crop to absorb nutrient elements (e.g., nitrogen) and reduce nutrient leaching. Agroforestry increased crop yield by 66% and cover cropping increased yield by 11%, likely due to increases in soil water content and nutrient availability and decreases in erosion and surface runoff. However, other agricultural systems showed no significant increase after CA compared to conventional row cropping practices. Using CA practices had the greatest yield benefit in tropical climates and when farming in coarse‐textured soils. In addition, legumes and grass‐legume mixtures resulted in significant cash crop yield increases, possibly because legumes promoted the increase of soil nitrogen and depleted soil moisture less compared with other cover crops. The results provide new insight into how interactions between soil properties and CA practices affect crop yield, and at the same time can help guide the development of practical, evidence‐based guidelines for using conservation practices to improve yield in corn and other cash crops.This article is protected by copyright. All rights reserved.

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“…In addition, as the IRT imager moves farther away from the object to be measured, the more gas molecules and suspended particles cluster in the atmosphere, the greater the loss in the phase of infrared transmission, which would also affect the precision of infrared temperature measurement. As a result, when the IRT imager is used to measure the surface temperature of an object, it is required to accurately measure the parameters such as temperature, humidity, and measurement distance ( d ), and input these parameters into the thermal imager to improve measurement accuracy [ 60 ].…”

Section: Overview Of Irt Imaging Technologymentioning

confidence: 99%

Progress on Infrared Imaging Technology in Animal Production: A Review

Zheng

Zhou

Jiang

et al. 2022

Sensors

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Infrared thermography (IRT) imaging technology, as a convenient, efficient, and contactless temperature measurement technology, has been widely applied to animal production. In this review, we systematically summarized the principles and influencing parameters of IRT imaging technology. In addition, we also summed up recent advances of IRT imaging technology in monitoring the temperature of animal surfaces and core anatomical areas, diagnosing early disease and inflammation, monitoring animal stress levels, identifying estrus and ovulation, and diagnosing pregnancy and animal welfare. Finally, we made prospective forecast for future research directions, offering more theoretical references for related research in this field.

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Infrared thermography for microclimate assessment in agroforestry systems

Cited by 14 publications

References 35 publications

Thermographic Profiles in Livestock Systems under Full Sun and Shaded Pastures during an Extreme Climate Event in the Eastern Amazon, Brazil: El Niño of 2023

Thermographic Profiles in Livestock Systems under Full Sun and Shaded Pastures during an Extreme Climate Event in the Eastern Amazon, Brazil: El Niño of 2023

Soil properties affect crop yield changes under conservation agriculture: A systematic analysis

Progress on Infrared Imaging Technology in Animal Production: A Review

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