Among crop nutrients, nitrogen has the most complex chemistry and behavior in soil, gives the largest yield responses, and is the most difficult to manage. Managing Nitrogen in Crop Production condenses the latest research and thinking from leading experts in nitrogen. The result will increase your understanding of nitrogen and your odds of managing it successfully. Softcover, 8 1/2 by 11". 2015. ASA, CSSA, and SSSA. Item: B40819. View an excerpt.