Depleted soil leads to reduced yields, forcing farmers to rely on fertilizers that raise food production costs, consumer prices.

Summary

Grocery prices are expected to rise globally as soil degradation, driven by overfarming, deforestation, and climate change, reduces farmland productivity.

The UN estimates 33% of the world’s soils are degraded, with 90% at risk by 2050. Poor soil forces farmers to use costly fertilizers or abandon fields, raising prices for staples like bread, vegetables, and meat.

Experts advocate for sustainable practices like regenerative agriculture, cover cropping, and reduced tillage to restore soil health.

Innovations and government subsidies could mitigate impacts, but immediate action is critical to ensure food security.

  • scarabic@lemmy.worldEnglish
    43·
    3 days ago

    Reduced tillage is a big one. There’s a massive misconception out there that the best thing you can do for your soil is go dig it up and turn it over. Soil is alive, and tilling disrupts microbial and fungal action that contribute to its health - by physical rupture of fungal colonies but also by exposing underground life to more sunlight and oxygen. As you kill the top several inches by physical disruption, it becomes dust much more easily washed away by wind and rain: erosion.

    We do it to remove weeds before planting, and loosen soil to ease germination. Planting mixed crops or cooperative cover crops are good alternatives for weeds which are massively underused. And overall we may just need to accept some immediate productivity loss in order to ensure long term survival. Farmers are smart, but not smart enough. Too much emphasis on operating tools and fertilizers to optimize yield like land is a machine you can tune, and not enough focus on reducing the need for all this with a more subtle approach with increasing long term yield but perhaps lower yield next year. With farmers always one season away from bankruptcy, you can see why they make the wrong trade offs.

    Soil depletion is at the bottom of a lot of civilization collapses in event history. The whole reason the Egyptians lasted as long as they did is that the annual Nile flooding replenished their soil with minerals brought down from higher ground by the flow of water. It wasn’t just the water itself.

    • ikidd@lemmy.worldEnglish
      6·
      3 days ago

      No till or low toll is pretty much the default on most soil types now, at least on North America and Europe. There some areas where its not the case but I wouldn’t judge anyone unless I had many years of experience in their particular environment. Sometimes what looks dumb from outside isn’t possible or feasible when you’re in the middle of it.

      One problem we’ve found with no till after 20 years is stratification compaction just from rainfall and equipment, even with tramlining. Its starting to seem like it needs a working up every few years, or planting down to forage and more active livestock action. The advantage with that would be better carbon sequestration but its not really profitable if land prices/rent are high in that area.

      And yes, in a profession with millions of dollars on the line every season, its really hard to make changes if you’re just getting by.

    • Lag@lemmy.worldEnglish
      10·
      3 days ago

      And overall we may just need to accept some immediate productivity loss in order to ensure long term survival.

      I see a massive issue in this plan.