Titlebook: Beyond the Green Revolution; The Ecology and Poli Kenneth A. Dahlberg Book 1979 Plenum Press, New York 1979 Agribusiness.agriculture.develo

独轮车

Picks-Disease

兵团

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–scent

https://doi.org/10.1007/978-1-4613-2910-7Agribusiness; agriculture; developing countries; diversity; energy; environment; science and technology; va

联想记忆

978-1-4613-2912-1Plenum Press, New York 1979

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头盔

On the Ecology of Theories,In a striking passage, the ecologist Ramón Margalef points out how both the perceptions and the theories of different ecologists are strongly shaped by the particular kind of environment they study:

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