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Citation: S Peng, KG Cassman, SS Virmani, J Sheehy, Gurdev S Khush. 1999. Yield potential trends of tropical rice since the release of IR8 and the challenge of increasing rice yield potential. Crop Science 39:1552-1559.

Keywords: Green revolution, global rice demand, yield barrier, yield gap, rice breeding, maintenance breeding, high yielding varieties