The book deals with impact of micro nutrients on soybean based on original research information on effect of zinc, iron and magnesium of soybean. Soybean is pulse crop in world for their protein value and high production as also known wonder crop. The performance of soybean crop due use of micro nutrient on their growth, yield and quality character. This book deal the original and scientific information micro nutrient impact on soybean. This book is important source to researchers, soybean growing farmers and students in respect of scientific research information with well discussed methodology.