Abstract
Impact of Shading of a Silvopastoral System on Microclimate and Botanical Composition of Polyphytic Pasture: A Preliminary Study in the Subtropics
Highlights
The livestock grazing has a large territorial extension in tropics and subtropics as a low-cost system for maintenance and implementation [Poppi et al, 2018]
Our results demonstrated the effect of shading by trees in an agroecological system to maintain the soil surface temperature lower along the day
We found differences between the shading levels regarding the proportions of legumes and spontaneous species (Table 6)
Summary
The livestock grazing has a large territorial extension in tropics and subtropics as a low-cost system for maintenance and implementation [Poppi et al, 2018]. Approximately 33% of the world terrestrial surface have some degree of degradation [Wall and Six, 2015], resulting in reduced productivity and damage to soil resources, such as erosion and leaching of soil nutrients In this context, the adoption of practices that promote the sustainability and conservation of natural resources is necessary to mitigate degradation effects. The silvopastoral system is an agroforestry arrangement that integrates into the same area, simultaneously, the use of pastures, trees, and animals [Peri et al, 2016] to change microclimate conditions for the benefit of the environment and for animal production [Vieira et al, 2020] This system becomes essential for animal thermal comfort because the shade of the trees reduces the thermal load of the environment providing adequate conditions for grazing animals [Karvatte Jr. et al, 2021]
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