The achievements in agricultural innovation over the past century have been impressive, supporting large increases in agricultural yields and low food prices. Critical to this success has been sustained public sector investment combined with a decentralized and competitive research system in the...

Nitrogen (N) fertilizer use in agricultural production is a significant determinant of surface water quality. As climate changes, agricultural producers are likely to adapt at extensive and intensive margins in terms of land and per acre input use, including fertilizers. These changes can affect...