Titlebook: Organisationsprüfung; Grunds?tze und Verfa Helmut Martens Book 1972 Betriebswirtschaftlicher Verlag Dr. Th. Gabler, Wiesbaden 1972 Berichte

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Helmut Martenslular aspects of waterlogging stress perception and tolerancIn the last half century, because of the raising world population and because of the many environmental issues posed by the industrialization, the amount of arable land per person has declined from 0.32 ha in 1961–1963 to 0.21 ha in 1997–19

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Helmut Martensunt of arable land per person has declined from 0.32 ha in 1961–1963 to 0.21 ha in 1997–1999 and is expected to drop further to 0.16 ha by 2030 and therefore is a severe menace to food security (FAO 2006). At the same time, about 12 million ha of irrigated land in the developing world has lost its p

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unt of arable land per person has declined from 0.32 ha in 1961–1963 to 0.21 ha in 1997–1999 and is expected to drop further to 0.16 ha by 2030 and therefore is a severe menace to food security (FAO 2006). At the same time, about 12 million ha of irrigated land in the developing world has lost its p

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d lack of proper land development. In addition, many irrigated areas are s- jected to yield decline because of waterlogging due to inadequate drainage systems. Worldwide, it has been estimated that at least one978-3-642-42560-8978-3-642-10305-6

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Helmut Martensd lack of proper land development. In addition, many irrigated areas are s- jected to yield decline because of waterlogging due to inadequate drainage systems. Worldwide, it has been estimated that at least one978-3-642-42560-8978-3-642-10305-6

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