Potted plants are arguably overwatered in the greenhouse and nursery industry. Over-watering can be considered a waste of water, results in leaching of pesticides and fertilizers, and can promote plant pathogens. In this episode, we discuss a study that uses various sensors to assess plant stress to determine how much watering can be reduced before the plant is 'too stressed'.
For the full article:
Nackley, L. L., E. Fernandes de Sousa, B. J. L. Pitton, J. Sisneroz, and L. R. Oki. 2020. Developing a Water-stress Index for Potted Poinsettia Production. HortScience. 55: 1295–1302.