The greenhouse based modern agriculture industries are the recent requirement in every part of agriculture in our country. In this technology, the humidity of plants is precisely controlled. Due to the variable atmospheric circumstances these conditions sometimes may vary from place to place in large farmhouse, which makes very difficult to maintain the uniformity at all the places in the farmhouse manually. It is observed that for the first time an android phone-control the watering system, which could give the facilities of maintaining uniform environmental conditions are proposed. The android software development kit provides the tools and application programmable interface necessary to begin developing applications on the android platform using the java programming language. Mobile phones have almost become an integral part of human life serving multiple needs of humans. GSM (Global System for Mobile Communication) is used to inform the user about the exact field condition. The information is passed onto the user request in the form of SMS.