This book is plain lucid language to explain fundamental of this subject. Farming is of almost importance to the survival of the inhabitants of an area. Considering the rate of population growth, there arise the needs to intensity the rate of food crop production so as to compensate for the increasing food demand. A method to reduce the problems associated with farming and as well increase food crop production is the implementation of a controlled technique to meet the soil moisture requirement for different food crops grown in respective locations. Automatic irrigation is a form of...