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Soil carbon dynamics in different cropping systems in principal ecoregions of Asia

 
: Bronson, K.F.; Cassman, K.G.; Wassmann, R.; Olk, D.C.; Noordwijk, M. van; Garrity, D.P.

Lal, R.; Kimble, J.M.:
Management of carbon sequestration in soil
Boca Raton, Fla.: CRC Press, 1998 (Advances in soil science)
ISBN: 0-8493-7442-1
S.35-57 : Ill., Lit.
Symposium "Carbon Sequestration in Soils" <1996, Columbus/Ohio>
Englisch
Konferenzbeitrag
Fraunhofer IFU; 2002 in Helmholtz-Gesellschaft integriert

Abstract
More than half of the world's population lives in Asia where only 30 per cent of the world's 1,346 million ha of arable land are found (Table 1, FAO 1994). To produce enough food for the rapidly growing population, agricultural land use in Asia has become very intense. Cereal production in Asia makes up half of the world's total. The most important crop is rice, followed by wheat and maize. Double cropping of rice makes up most of the 55 per cent of the harvested irrigated rice area (IRRI 1993). Rice wheat is a basic rotation practiced on 21 million ha (Woodhead et al., 1994). The area cropped to a rice - maize rotation is smaller than that devoted to rice - wheat, but it is rapidly increasing. Moreover, the rate of conversion of prime riceland for industrial and residential use continues at an alarming rate. In China, Indonesia, and the Philippines, this trend threatens self-sufficiency in cereal production.

: http://publica.fraunhofer.de/dokumente/PX-34124.html