Studies on cyanobacteria ( blue green algae) and azolla as biofertilizers for rice

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Bibliographic Details
Main Author:	Hirimburegama, Wijaya Kumara
Format:	Book
Published:	[S.L.]: Author 1987
Subjects:	Biofertilizers Fertilizer Thesis and dissertations
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National Library and Documentation Services Board, Sri Lanka

Holdings details from National Library and Documentation Services Board, Sri Lanka
Call Number:	631.8
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