New research from Purdue University could help hemp growers lower input costs and improve overall profitability. Extension specialist Margurite Bolt says ongoing field trials are testing how different genetics can improve yield. "We’re finding that we don’t need a lot of nitrogen in particular to get a really healthy crop with a lot of biomass," […] The post Purdue University Extension research focused on improving profitability for hemp growers appeared first on Brownfield Ag News .