Microclimate without shade and silvopastoral system during summer and winter

Baliscei, Marcio Antonio; Barbosa, Orlando Rus; Souza, Wander de; Costa, Marco Aurélio Teixeira; Krutzman, Alexandre; Queiroz, Edicarlos Oliveira

doi:10.4025/actascianimsci.v35i1.15155

Cited by 24 publications

(21 citation statements)

References 27 publications

(23 reference statements)

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“…Similar results were obtained in other silvopastoral systems using rows (Baliscei et al, 2013) or for other crops under systems arranged with tree rows (Pezzopane et al, 2010). The relative humidity values (directly related to temperature) showed that, with lower air removal at the midpoint between rows, there were higher values (maximum and average) found at this sample point.…”

Section: Resultssupporting

confidence: 74%

“…This observation demonstrates the importance of plant arrangement in tree rows acting as windbreaks. Baliscei et al (2013), Souza et al (2010) found that, in terms of reduced incidence of winds, microclimatic changes in the silvopastoral systems promoted better animal comfort.…”

Section: Resultsmentioning

confidence: 99%

“…The trees, assisting to stabilize the microclimate, protect animals from extreme heat or cold by providing thermal comfort, with positive effects on the productivity of the herd (Baliscei et al, 2013;Souza et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Microclimate and soil moisture in a silvopastoral system in southeastern Brazil

et al. 2015

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In this study, the microclimate changes in silvopastoral systems are quantified at different time and spatial scales and compared with single-pasture systems. The study was conducted in a silvopastoral system in São Carlos, Brazil (22°01' South and 47°53' West). The silvopastoral system consisted of grass pastures [Urochloa (sin. Brachiaria) decumbens cv. Basilik] lined with strips of native trees spaced at 17 m. Continuous microclimate measurements (air temperature, relative humidity, wind speed, and incident photosynthetically active radiation) were carried out from September 2010 to September 2012 at two positions of the silvopastoral system (2.0 and 8.5 m from the rows of trees) and at a pasture under full sunlight, located in an adjacent area. The soil moisture was monitored weekly from 24 March 2010 to 1 April 2012 at distances of 0.0, 2.0, 4.75, and 8.5 m from the rows of trees. The rows of native trees reduced wind speeds (46% reduction) and changed the photosynthetically active radiation incidence pattern on the pasture (up to 40% reduction of incidence at the point nearest to the trees). The combined action of these factors promoted thermal and air humidity changes on the pasture at the different points measured. With respect to soil moisture, there was greater soil moisture removal at the sampling points near the rows of native trees under the silvopastoral system, mainly due to enhanced exploration by tree roots at greater depths in dry spells or early dry periods, when compared with the midpoints between the rows.

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Section: Resultssupporting

confidence: 74%

Section: Resultsmentioning

confidence: 99%

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Microclimate and soil moisture in a silvopastoral system in southeastern Brazil

et al. 2015

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“…The silvopastoral system has been considered a good option for cattle-rearers to recover degraded pasture (Dubè et al 2002) as the trees in the pasture may improve the forage nutritional quality (Jackson and Ash 1998;Carvalho et al 2002;Tripathi et al 2005;Souza et al 2010) and animal comfort (Baliscei et al 2013). Tree cover can increase forage biomass (Souza et al 2010) or decrease it, if shading is too high (Jackson and Ash 1998;Rozados-Lorenzo et al 2007;Paciullo et al 2011).…”

Section: Introductionmentioning

confidence: 98%

Eucalypt growth in monoculture and silvopastoral systems with varied tree initial densities and spatial arrangements

Paula

Reis

et al. 2013

Agroforest Syst

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Brazil has large stretches of degraded land, mainly occupied by pasture. Recently, the Brazilian government created a program providing financial support to recover these lands throughout the country by establishing agroforestry systems, among others. To select the most appropriate initial spatial arrangements and tree planting density for such systems, the plant growth and leaf area index (LAI) of a Eucalyptus camaldulensis clone were evaluated in five spatial arrangements: 3.6 9 2.5 m, and 3.3 9 3.3 m (monoculture), and (2 9 2) ? 10 m, (3 9 3) ? 9 m, and 9 9 3 m (silvopastoral systems), with 1,111, 918, 833, 556 and 370 plants per hectare, respectively. The arrangement did not affect plant height growth (p [ 0.05) up to 50 months. The average diameter was affected by plant proximity in the planting line, being smaller (p \ 0.05) in the arrangements (2 9 2) ? 10 m, and 3.6 9 2.5 m, and by the number of lines in the rows, as the plants in the single line arrangement (9 9 3 m) attained the highest diameter. Individual volumes of high initial density stand were lower than in the silvopastoral systems. The arrangements (2 9 2) ? 10 m, 3.6 9 2.5 m, and 3.3 9 3.3 m did not differ (p [ 0.05) in volume per hectare, which was higher (p \ 0.05) than for the other arrangements studied. LAI decreased with age and it was higher (p \ 0.01) in the monoculture as compared to the silvopastoral systems. The silvopastoral system can be established in the (2 9 2) ? 10 m arrangement for high biomass production besides having the additional benefit of financial returns from the pasture, as compared with the monoculture. The 9 9 3 m arrangement is preferable for large diameter log production.

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“…() have suggested that an option for sustainable livestock production is the adoption of silvopastoral system (SPS). Among the productive and environmental benefits of the SPS, the following stand out: Improved soil nutrient availability, increased animal production associated with thermal comfort, and higher crude protein (CP) content of forage, as well as the possibility of income diversification in the property (Baliscei et al., ; Kyriazopoulos, Abraham, Parissi, Koukoura, & Nastis, ; Murgueitio, Calle, Uribe, Calle, & Solorio, ; Paciullo et al., ), and environmental services, such as increased biodiversity, sequestration of atmospheric carbon and mitigation of greenhouse gases (Alves, Madari, & Boddey, ; López‐Carrasco, López‐Sánchez, San Miguel, & Roig, ).…”

Section: Introductionmentioning

confidence: 99%

Productivity and nutritive value of Brachiaria decumbens and performance of dairy heifers in a long‐term silvopastoral system

Lima

Paciullo

Morenz

et al. 2018

Grass and Forage Science

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Silvopastoral system (SPS) has been suggested to ensure sustainability in animal production systems in tropical ecosystems. The objective of this study was to evaluate the productive and nutritive value traits of Brachiaria decumbens and performance of dairy heifers in SPS and open pasture (OP) during the summer and autumn of two consecutive years in the SPS and OP (17th and 18th years after establishment). Experimental design was a randomized complete block with two treatments (SPS and OP) and three replications in subdivided plots with repeated measures in time. There was reduction in the tiller population density, total and green forage mass, and total and green forage bulk density in the SPS when compared to the OP in the summer. In the autumn, no difference was observed between the systems. Shading in SPS increased crude protein content of the grass pasture by 25% and 33% when compared to the OP during the first and second experimental years, respectively, and reduced neutral detergent fibre content. However, it did not change acid detergent fibre or lignin content. OP provided higher stocking rate and weight gain per area than the SPS. Average daily gain was higher in the OP in the second experimental year. Severe shading conditions should be avoided, because in the long‐term they may threaten the persistence and sustainability of pasture in the SPS. It is recommended to plant a low density of trees or implement management strategies of the tree component by either thinning or pruning over the years after planting.

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Microclimate without shade and silvopastoral system during summer and winter

Cited by 24 publications

References 27 publications

Microclimate and soil moisture in a silvopastoral system in southeastern Brazil

Microclimate and soil moisture in a silvopastoral system in southeastern Brazil

Eucalypt growth in monoculture and silvopastoral systems with varied tree initial densities and spatial arrangements

Productivity and nutritive value of Brachiaria decumbens and performance of dairy heifers in a long‐term silvopastoral system

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