Mexico devises revolutionary method to reverse semiarid land degradation

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  • Land degradation is impacting farmlands worldwide, affecting almost 40% of the world’s population. Reversing that process and restoring these croplands and pastures to full productivity is a huge challenge facing humanity — especially as climate change-induced drought takes greater hold on arid and semiarid lands.
  • In Mexico, a university-educated, small-scale peasant farmer came up with an untried innovative solution that not only restores degraded land to productivity, but also greatly enhances soil carbon storage, provides a valuable new crop, and even offers a hopeful diet for diabetics.
  • The process utilizes two plants commonly found on semiarid lands that grow well under drought conditions: agave and mesquite. The two are intercropped and then the agave is fermented and mixed with the mesquite to produce an excellent, inexpensive, and very marketable fodder for grazing animals.
  • The new technique is achieving success in Mexico and could be applied to global degraded lands. It is, says one expert “among the most soil regenerative schemes on Earth … deployed on degraded land, basically overgrazed and unsuitable for growing crops, with no irrigation or chemical inputs required whatsoever.”

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