After the main crops are picked and fields look bare, farmers have a secret weapon: cover crops. These aren’t for selling but have a superhero role. They protect and nourish the soil. But there's a catch, do mixed cover crops really give the soil a better boost?
Most believed a cocktail of cover crops would mean deeper, healthier roots. It sounds logical because different crops grow to different soil depths. But research from a trio of universities found something unexpected.
They tested crops like oil radish and winter rye. When grown separately, they flourished. But when they get mixed their roots get thinner. It was like finding out that combining two superheroes didn't necessarily make a super team.
What’s the big deal about this? Well, it throws a curveball at age-old farming beliefs, and it makes us realize there’s a universe of secrets about root growth waiting to be discovered.
Despite the challenging research process, which involved a detailed look at every teeny-tiny root, the results were enlightening.
Source : wisconsinagconnection