Comparative study of six species of Azolla in relation to their utilization as green manure for rice
1984 ◽
pp. 125-131
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2007 ◽
Vol 5
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pp. 067
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Keyword(s):
2001 ◽
Vol 268
(6)
◽
pp. 1739-1748
2001 ◽
Vol 48
(2)
◽
pp. 97-106
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