Growmark and InnerPlant have entered into a partnership to conduct a commercial pilot of InnerSoy, a genetically engineered soybean developed by InnerPlant that emits optical signals when the plants are stressed from a lack of water or nutrients or under attack from pathogens, such as fungi. The plant's signals can be detected using specialised equipment, such as drones or satellites, giving farmers the earliest possible warning to take action to protect their crops. Under the terms of the partnership, Growmark will establish small plots of InnerSoy throughout the US Midwest in 2024, with plans to expand the number of plots over the next three years. The plots will be used to detect early signs of fungal infestation in the plants, while InnerPlant will utilise the data generated from the plots to improve the agronomic intelligence of its machine-learning tool.