PARIS: Most gardeners know that earthworms help keep soils healthy, now scientists have assessed just how important their underground activities are to global food production — and how to protect them.

In a research published on Tuesday (Wednesday in Manila), scientists found that earthworms may be to thank for more than 6 percent of global grain yields every year because of their crucial role in soil ecosystems.

Premium Subscription
P 80 per month
(billed annually at P 960)
  • Unlimited ad-free access to website articles
  • Access to subscriber exclusive website contents
  • Access to the Digital Edition (up to 3 devices)