The ecology of agricultural systems
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| Format: | Texto biblioteca |
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Cambridge (UK) Cambridge Univ. Press
1982
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| Subjects: | FARMING SYSTEMS, ECOSYSTEMS, PAPUA NEW GUINEA, UNITED KINGDOM, OCEANIA, INDIA, USSR, SYSTEME D'EXPLOITATION AGRICOLE, ECOSYSTEME, SISTEMAS DE EXPLOTACION, ECOSISTEMA, PAPOUASIE NOUVELLE GUINEE, ROYAUME UNI, OCEANIE, INDE, URSS, PAPUA NUEVA GUINEA, REINO UNIDO, |
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