Halt soil salinization, boost soil productivity


Healthy soils lay at the foundations of agricultural development, healthy and nutritious food production, and essential ecosystem services, which are crucial to our basic survival as well as our planet’s sustainable future. 

With this year’s theme "Halt soil salinization, boost soil productivity", World Soils Day 2021 aims to raise awareness of the importance of maintaining healthy ecosystems and human well-being by addressing the growing challenges in soil management. 

Browse a selection of FAO publications showcasing the Organization’s work on fighting soil salinization, increasing soil awareness and encouraging everyone around the world to commit to proactively improving soil health.

Global map of salt-affected soils – GSASmap v1.0
This publication helps identifying salt-affected soils where sustainable soil management practices should be adopted to halt salinization. The map is accessible here.

Proceedings of the Global Symposium on Soil Biodiversity 2021
A collection of the papers presented during the Symposium that provide scientific evidence that the loss of soil biodiversity is a global threat, and show where we stand on and where we need to go to prevent soil biodiversity loss.

Global assessment of soil pollution
World soil health is under pressure from erosion, loss of soil organic carbon and biodiversity, pollution, and salinization. This report presents the status and drivers of global soil pollution, as well as recommendations to address the issue such as using bioremediation technologies.

Further reading

Children’s books


  • Global status of salt-affected soils
  • Sampling of agricultural soils and plants for radioactivity analysis
  • Outcome document of the Global Symposium on Salt-affected soils 

Additional resources