![]() Greatest emphasis is placed on the special features of wetland rice production and the importance of the nutrient balance. The author covers a wide range of issues including soil fertility plant breeding pest management irrigation land degradation and social and economic factors. Sustainability is defined as the maintenance or improvement of production levels and protection of natural resources within the context of economic viability and social acceptability. This book explores the factors which have contributed to the sustainability of rice production over the eight or nine thousand years for which rice has been produced. While Asia remains the main centre of production and consumption of rice the importance of rice is increasing rapidly in Africa and Latin America and exports of rice from the United States and Australia are of major importance to the world rice trade. Nearly half of the global population is dependent on rice as its major staple food. Rice has supported a greater number of people for a longer period of time than any other crop. United States Estados Unidos Estados Unidos États-Unis ![]()
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