Science: Help for Farmers

> A tractor-drawn stone-picking machine has been invented, whose revolving teeth can remove as much as twelve tons of egg-to head-sized rocks per hour from the top three inches of soil. Produced by Otis F. Reiter, a onetime Maryland farm boy with a piercing memory of stone-picking backaches, the machine has been hailed by farm journals as the greatest agricultural invention since the tractor. In this machine some experts see hope for a revival of Eastern agriculture, whose decline they blame largely on stony soil. Stoneless soil is 18% more productive than soil...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!