/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Nitrogen%22&sort_by=relevance&format=rss 10 0 50 ISBN:0908307586 /cgi-bin/koha/opac-detail.pl?biblionumber=143308 Mount Pleasant, Harare, Zimbabwe : University of Zimbabwe Publications, 1998 .
ix, 270 p. : , "CTA." 26 cm..
0908307586

]]> Place hold on Harnessing biological nitrogen fixation in African agriculture :

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=143308 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=143477 By Webster, George Calvin..
Evanston : Row, Peterson ; 1959 .
152 p. : 21 cm..

]]> Place hold on Nitrogen metabolism in plants/George C. Webster.

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=143477 ISBN:0070840873 : | 0070840881 (pbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=145064 By Sprent, Janet I..
London ; | New York : McGraw-Hill, 1979 .
196 p. : 24 cm..
0070840873 : | 0070840881 (pbk.)

]]> Place hold on The biology of nitrogen-fixing organisms /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=145064 ISBN:052164853X (pbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=154407 By Postage, John.
Cambridge : Cambridge University Press, 1998. .
3rd ed. | vi, 112 p. : , Includes index. 23 cm..
052164853X (pbk.)

]]> Place hold on Nitrogen fixation /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=154407 ISBN:0908307586 (pbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=156193 Mount Pleasant, Harare, Zimbabwe : University of Zimbabwe Publications, 1998 .
ix, 270 p. : , Includes index. 26 cm..
0908307586 (pbk.)

]]> Place hold on Harnessing biological nitrogen fixation in African agriculture :

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=156193 ISBN:0851989152 (hbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=158855 By Whitehead, D. C..
Wallingford, Oxon, UK : CAB International, 1995 .
xv, 397 p. : , Includes index. 24 cm..
0851989152 (hbk.)

]]> Place hold on Grassland nitrogen /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=158855 ISBN:0851989152 (hbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=158856 By Whitehead, D. C..
Wallingford, Oxon, UK : CAB International, 1995 .
xv, 397 p. : , Includes index. 24 cm..
0851989152 (hbk.)

]]> Place hold on Grassland nitrogen /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=158856 ISBN:0908307586 (pbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=162390 Mount Pleasant, Harare, Zimbabwe : University of Zimbabwe Publications, 1998 .
ix, 270 p. : , Includes index. 26 cm..
0908307586 (pbk.)

]]> Place hold on Harnessing biological nitrogen fixation in African agriculture :

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=162390 ISBN:0070840873 : | 0070840881 (pbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=163773 By Sprent, Janet I..
London ; | New York : McGraw-Hill, 1979 .
196 p. : 24 cm..
0070840873 : | 0070840881 (pbk.)

]]> Place hold on The biology of nitrogen-fixing organisms /

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=163773 ISBN:0713128771 (hbk.) /cgi-bin/koha/opac-detail.pl?biblionumber=164987 London : Edward Arnold, 1984 .
xiv, 351 p. : , Includes index. 24 cm..
0713128771 (hbk.)

]]> Place hold on Current developments in biological nitrogen fixation /

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