Buy from our bookstore and 25% of the cover price will be given to a school of your choice to buy more books. *15% of eBooks.
Books By Dr Jeff Dahlberg, Dr D. T. Rosenow, Dr Elizabeth A. Cooper - Author
Dr William Rooney is Professor in the Department of Soil and Crop Science at Texas A&M University, USA. He has written widely on sorghum breeding and released a number of new varieties for use both in the US and Central America. He is a member and current Chair of the Sorghum Improvement Conference of North America which brings together experts from a number of universities to improve sorghum cultivation. Dr. David Mengel is a recently retired, Professor Emeritus of Agronomy at Kansas State University. He remains active in retirement doing research and extension programs and operating a 150 hectare family farm, where he currently produces both grain and forage sorghum. A Certified Professional Soil Scientist and Certified Crop Advisor, he has over 40 years professional experience and is recognized as an authority on soil fertility and nutrient management.