Wassmann, Reiner; Hosen, Yasukazu; Sumfleth, Kay - International Food Policy Research Institute (IFPRI) - 2009
Rice is grown on more than 140 million hectares worldwide and is the most heavily consumed staple food on earth. Ninety … percent of the world's rice is produced and consumed in Asia, and 90 percent of rice land is—at least temporarily—flooded. The … unique semiaquatic nature of the rice plant allows it to grow productively in places no other crop could exist, but it is …