ZeaKal's novel PhotoSeed trait boosts hemp biomass oil output by up to 50% TORONTO and SAN DIEGO, June 1, 2021 /PRNewswire/ - RIV Capital Inc. ("RIV Capital" or the "Company") (TSX: RIV) (OTC: CNPOF) portfolio company ZeaKal, Inc. ("ZeaKal") announced that its PhotoSeed technology is...