The field of agrotechnology or agricultural technology is concerned with the use and application of technology in agriculture, horticulture and aquaculture. The current progress in agricultural yield and efficiency is being driven directly through technological advancement. Whether through the development and application of synthetic fertilizers and pesticides or through machinery such as tractors and agricultural aircraft, agriculture has seen considerable innovation over the centuries. Some of the more recent advancements include genetically modified crops, soilless farming, and improved drip irrigation, among others. Today, satellite photography and sensors, agricultural drones, soil moisture sensors, light and heat control, etc. are increasingly advancing the practices of agriculture. This book traces the progress of agricultural technologies and highlights some of their key applications. It will also provide interesting topics for research which interested readers can take up. Scientists and students actively engaged in this field will find this book full of crucial and unexplored concepts.