検索結果 - "Agricultural conservation."

The biodiversity of microorganisms and invertebrates : its role in sustainable agriculture, Proceedings of the First workshop on the Ecological Foundations of Sustainable Agricultu...

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Environmental management in agriculture: European perspectives : proceedings of a workshop held from 14-to 17 July 1987 at Bristol, United Kingdom, under the aegis of the CEC Land...

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Agricultural and environmental policies : opportunities for integration.

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Toward a more sustainable agriculture / 著者: Poincelot, Raymond P., 1944-

主題: “…Agricultural conservation United States.…”

Farming and the environment / 著者: Lambert, Mark

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