Introduced some 30 years ago, Conservation Agriculture, is currently practiced on 100 million hectares of land across the world.

大约在30年前提出的保护性农业目前正在全世界一亿公顷的土地上实施。

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Adopting land use practices such as conservation agriculture would also help to maintain significant amounts of carbon in the soil.

采用保护性农业等土地利用方法还将有助于将大量的碳保持在土壤中。

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The study, published in the journal Conservation Biology, said that since records began, Australian agriculture had changed or destroyed half the woodlands and forests of the country.

这项发表在《保护生物学》（Conservation Biology）的研究称，自从有记录以来，澳大利亚的农业已经改变或破坏了本国一半的林地以及丛林。

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Ketura is also home to the Arava Institute for Environmental Studies, which runs courses on water conservation, sustainable agriculture and renewable energy.

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"The rhododendron ponticum plant is very deceptive, " said the park's head of agriculture and conservation, Rhys Owen.

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Of this, 48% is classified for conservation and 47% for agriculture.

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