Wednesday, July 3, 2013
Journal July 3, 2013
Growing olives hydroponically is still a learning experience for me, and I had a problem with a few of the plants. I don't believe anyone has ever tried to grow them hydroponically so there is not much information on the subject online.
Two of the larger trees began dropping leaves that were still green, and it sort of had me baffled as to why. The trees appeared healthy in every respect, except I would find several green leaves laying on the surface of the media.
Since then, I have determined that the problem was over watering. I had been watering the plants until the liquid ran into the reservoir at the bottom and then empty the excess. Even with the sun beating down, with the temperature in the greenhouse approaching ninety, olives apparently do not transpire much and use a lot of moisture.
Letting the plants dry almost completely has pretty much solved the leaf drop problem, so going forward I intend to just give them a periodic small drink and keep them fairly dry.