000 00556 a2200169 4500
080 _a631.461.5:631.466.3/4
_bI 39 B
245 1 _aBiological nitrogen fixation by blue-green algae and azolla
_bProgress report (April, 1986-August 31, 1987)
260 _aNew Delhi
_bIndian Agricultural Research Institute
_c1987
650 _aBiological Nitrogen Fixation
650 _aBlue-Green Algae
650 _aAzolla
700 _aINDO-USE SSP Programme
100 _a
_d
300 _a37 p.
040 _aIARI, New Delhi
901 _a181787
999 _c81000
_d81000