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<p>The Brazilian semiarid region, characterized by the Caatinga biome, faces increasing challenges due to climate change, including rising temperatures, irregular rainfall, and land degradation. Limited water availability and soil salinization further constrain agricultural productivity, highlighting the need for salt-tolerant forage alternatives. This study evaluated <i>Moringa oleifera</i> and <i>Calotropis procera</i> as potential forage sources by assessing their biomass production, crude protein content, and mineral composition under saline and non-saline conditions in a greenhouse experiment. <i>M. oleifera</i> produced 14 tons/ha of shoot dry matter, maintaining higher crude protein content (22.01 ± 5.45%) compared to <i>C. procera</i> (18.12 ± 4.42%). In contrast, <i>C. procera</i> exhibited greater resilience to saline irrigation, increasing its biomass production from 3.9 tons/ha to 9.3 tons/ha, while both species yielded 8.8 tons/ha under combined saline soil and water conditions. These results highlight <i>M. oleifera</i> as a superior protein-rich forage, while <i>C. procera</i> remains a promising fiber source, particularly in highly saline environments. Future research should focus in-situ evaluations and optimizing cultivation strategies to maximize their nutritional value and forage sustainability in semiarid regions.</p>

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Assessing the potential of two alternative forage for saline semiarid regions in Brazil

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月7日

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  • Mirelio F. da Silva,
  • Alice F. Pedrozo,
  • Antonio Gilvan da C. de Souza,
  • Danilo B. Nogueira,
  • A. B. Giroldo

摘要

The Brazilian semiarid region, characterized by the Caatinga biome, faces increasing challenges due to climate change, including rising temperatures, irregular rainfall, and land degradation. Limited water availability and soil salinization further constrain agricultural productivity, highlighting the need for salt-tolerant forage alternatives. This study evaluated Moringa oleifera and Calotropis procera as potential forage sources by assessing their biomass production, crude protein content, and mineral composition under saline and non-saline conditions in a greenhouse experiment. M. oleifera produced 14 tons/ha of shoot dry matter, maintaining higher crude protein content (22.01 ± 5.45%) compared to C. procera (18.12 ± 4.42%). In contrast, C. procera exhibited greater resilience to saline irrigation, increasing its biomass production from 3.9 tons/ha to 9.3 tons/ha, while both species yielded 8.8 tons/ha under combined saline soil and water conditions. These results highlight M. oleifera as a superior protein-rich forage, while C. procera remains a promising fiber source, particularly in highly saline environments. Future research should focus in-situ evaluations and optimizing cultivation strategies to maximize their nutritional value and forage sustainability in semiarid regions.