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21
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23
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Biological nitrogen fixation in paddy field studied by in SITU acetylene-reduction assays
Published 1977Analytics -
26
In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform].
Published 1977Visual Material -
27
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28
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30
Sustainable ammonia a key technological challenge for Asia.
Published in Asean Engineering JournalArticle


