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Title: Evaluation of the Effect of Dolomitic Lime Application on Pastures—Case Study in the Montado Mediterranean Ecosystem
Authors: Serrano, J.
Shahidian, S.
Marques da Silva, J.
Moral, F.
Carvajal-Ramirez, F.
Carreira, E.
Pereira, A.
Carvalho, M.
Editors: MDPI
Keywords: soil pH amendment
tree effect
crude protein
pasture quality index
Issue Date: May-2020
Publisher: MDPI
Citation: Serrano, J., Shahidian, S., Marques da Silva, J., Moral, F., Carvajal-Ramírez, F., Carreira, E., Pereira, A., Carvalho, M. (2020). Evaluation of the effect of dolomitic lime application on pastures - case study in the Montado Mediterranean ecosystem. Sustainability, 12, 3758. (DOI:10.3390/su12093758)
Abstract: The Montado ecosystem, predominant in the Mediterranean region, consists of poor soils, a sparse cover of cork and holm with an understory of natural biodiverse pastures, grazed by animals in extensive regime. The recommended procedure for increasing productivity of these pastures is based on the application of phosphate fertilizer. One of the main productivity-limiting factors is, however, associated with soil acidity. The objective of this work was to evaluate the simultaneous effect of the holm oak canopy and the application of dolomitic lime on the productivity and quality of a permanent biodiverse pasture, grazed by sheep, in an acid soil (pH = 5.4 ± 0.3). Pasture was monitored at the end of autumn 2018 and winter and spring 2019. The results show that amendment of soil acidity is a slow and gradual process that improves soil Mg/Mn ratio and has a positive impact on pasture productivity and quality. Pasture crude protein availability (CP, kg·ha−1 ), which is based on both pasture dry matter yield (kg·ha−1 ) and quality (CP, %), proved to be a very practical indicator of the contributions of tree canopy and soil acidity correction to the holistic management of the Montado ecosystem.
Type: article
Appears in Collections:ERU - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
MED - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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