This has been an exceedingly dry Fall and if you have Citrus trees, you should consider deep watering. Extended drought during the bearing and sizing stage can cause Citrus to drop fruit due to stress. The best way to stop this is deep watering. Place your hose at the base of your Citrus tree and turn on the water so that it is barely trickling out. Let the water run this way for one to two hours. Repeat this deep watering twice a week through this dry spell. Deep watering once or twice a week is much better than watering a little bit every day. If you only water for a few minutes each day, the root system will develop near the surface, whereas if you water deeply a few times per week, the root system will develop deeper and you will have a healthier tree.