This Boston-based agricultural technology start-up is creating seed treatments that optimize the health of a plant in order to increase its yield. The aim is to use natural microbiology and tech to improve sustainability, profits for growers and, of course, consumer health. Currently, the company's seed treatments are used for five major row crops — corn, wheat, soybeans, rice and cotton.

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In September, Indigo Ag introduced the Indigo Marketplace, a digital platform that allows growers and buyers to electronically connect with each other. Buyers are able to more easily source the kinds of grain they want, and growers can make more money by having access to a larger market. Indigo handles the grain-quality testing, transportation and payments between growers and buyers.