Patent ID: 6145755
Filing Date: 2000-11-14
Classification: A01G,Y10S,Y10T

Abstract:
An apparatus for controlling an amount of irrigation water to be applied to a given area, said apparatus comprising:a) means to set time and duration for at least one irrigation valve to remain open so the amount of irrigation water can be delivered to the given area;b) means to measure actual relative humidity;c) means to set a preferred time to measure an actual relative humidity value;d) means to compare said actual relative humidity value to a pre-selected relative humidity value to determine if irrigation water should be applied;e) means to set a time differential between said preferred time said actual relative humidity is measured and said time of at least one said irrigation valve is scheduled to open; andf) means to prevent opening of said irrigation valve if said actual measured relative humidity is greater than said pre-selected relative humidity value.