Natural resource conservation : an ecological approach / av Owen, Oliver S.

Readings in conservation ecology. / av Cox, George W., 1935-

Environmental conservation / av Dasmann, Raymond F.

The ecology of fungal entomopathogens /

The ecology of fungal entomopathogens /

Encyclopedia of Soil Science av Chesworth, Ward

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Biogeochemistry of Trace Elements in Arid Environments av Han, Fengxiang X.

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Microorganisms in Soils: Roles in Genesis and Functions av Varma, Ajit

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Soil Pollution Origin, Monitoring & Remediation / av Mirsal, Ibrahim A.

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Desertification and Its Control in China av Ci, Longjun

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Water and Food Security in Central Asia av Madramootoo, Chandra

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Ecological management of agricultural weeds av Liebman, Matt

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Weeds and weed management on arable land an ecological approach / av H?akansson, Sigurd, 1928-

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Ecology and control of introduced plants av Myers, Judith H., 1941-

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Whales, whaling, and ocean ecosystems

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Ecology and management of giant hogweed (Heracleum mantegazziannum)

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Seeds biology, development and ecology /

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The ecology and silviculture of oaks av Johnson, Paul S.

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Insects and human life av Morris, Brian, 1936-

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Root feeders an ecosystem perspective /

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