Walmart invests in indoor vertical farming 월마트는 실내 수직 농업에 투자한다 Walmart Inc. has invested in and formed a partnership with Plenty Unlimited Inc., South San Francisco, Calif., an indoor vertical farming company. The partnership will allow Walmart to source leafy greens for its California stores from Plenty’s Compton, Calif., farm later this year. 월마트 미국 캘리포니아주 사우스샌프란시스코의 플렌티언리미티드(Plenty Unlimited ..