ebook img
Author:K. S. Kumarasinghe
Language:English
Release year:1993
File size:0.35 MB
Number of page:148
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Similar Isotopic Studies of Azolla and Nitrogen Fertilization of Rice: Report of an FAO/IAEA/SIDA Co-ordinated Research Programme on Isotopic Studies of Nitrogen Fixation and Nitrogen Cycling by Blue-Green Algae and Azolla

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