Fate of Azolla spp. and urea nitrogen applied to wetland rice (Oryza sativa L.)
Keyword(s):
Keyword(s):
1993 ◽
pp. 705-708
Keyword(s):
Keyword(s):
2001 ◽
Vol 33
(4)
◽
pp. 323-327
◽
1992 ◽
Vol 13
(2)
◽
pp. 102-107
◽