Wen-yuan Huang

Agricultural Resources and Environmental Indicators, 2012 Manure Use for Fertilizer and for Energy: Report to Congress Factors Contributing to the Recent Increase in U.S. Fertilizer Prices, 2002-08 Impact of Rising Natural Gas Prices on U.S. Ammonia Supply Recent Volatility in U.S. Fertilizer Prices Tight Supply and Strong Demand May Raise U.S. Fertilizer Prices U.S. Increasingly Imports Nitrogen and Potash Fertilizer