The present book has been designed to meet the requirement of post graduate and Ph.D student of Agricultural University. Soybean (Glycine max (L.) Meril) is one of the most important leguminous and oilseed crop, belong to family leguminoceae. It grows in three seasons in most part of the world. As per first known record, it is native of soybean is Asia and it emerged as domesticated crop around the eleventh century B.C. in Chinese. Soybean "The miracle golden bean of 20th century" has revolutionized the agriculture as well as generated economy of many countries. Plant protection during early stage of Soybean is very much essential, as losses through early season pest is minimized by different seed dressers of insecticide. This book also mention the effect of different seed dresser’s on germination, natural enemies and yield of Soybean.