http://nile.enal.sci.eg/cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%22Nitrogen%22%29%20AND%20%28su%2Ccomplete-subfield%3A%22Fixation.%22%29%20and%20su-to%3ALeaves&sort_by=acqdate_dsc&format=rss 5 0 50 ISBN:0851989152 http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=33696 ]]> By Whitehead, D. C..
Wallingford : CAB International, 1995 .
xv, 397 p. : 24 cm..
0851989152

]]> Place hold on Grassland nitrogen /

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=33696 ISBN: http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=863 By Rakha,Mohamed Khafagy Abd El-Rahim..
1995 .
132,4 leaves : 30 cm..

]]> Place hold on Genetic analysis to the efficiency of rhizobium biochemical mutants on the nitrogen fixation in Phaseolus vulgaris | [microform] /

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=863 ISBN: http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=7669 By El-Sayed, Said Abbas Mohammed..
1989 .
83, 2 Leaves :ill. ;30 cm.

]]> Place hold on The effect of increasing phosphours concentration in sand culture on nodulation, growth and biological nitrogen fixation by legumes | [microform] /

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=7669 ISBN: http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=8641 By Khadr,Mohamed Saleh..
1969 .
137,5Leaves: 30 cm..

]]> Place hold on Effect of salinity and alkalinity on nitrogen fixation by some leguminous crops | [microform]/

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=8641 ISBN: http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=16482 By Ali, Mohy El-Deen Hassan Ahmed..
2003 .
Computer laser optical disks; 4 3/4 in..

]]> Place hold on Microbiological and chemical studies on the rhizosphere of sugar beet plants | [computer files]/

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=16482