‘(Phys.org) —As more gardeners and farmers add ground charcoal, or biochar, to soil to both boost crop yields and counter global climate change, a new study by researchers at Rice University and Colorado College could help settle the debate about one of biochar’s biggest benefits—the seemingly contradictory ability to make clay soils drain faster and sandy soils drain slower.’
via Biochar alters water flow to improve sand and clay, study finds.