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Biological nitrogen fixation of some groundnuts as affected by genotype and applied phosphorus at Samaru, northern Guinea Savannah of Nigeria
Bayero Journal of Pure and Applied Sciences
Biological nitrogen fixation (BNF), brought about by both free living soil microorganisms and their symbiotic associations with higher plants, is the major source of N input into agricultural systems. Groundnuts (Arachis hypogaea L.), in symbiosis with rhizobia, in their root nodules, fix atmospheric nitrogen (N 2 ). A field trial was carried out at Samaru, Nigeria, in 2008 with a view to evaluate BNF potentials of five groundnut genotypes (SAMNUT 10, 11, 21, 22 and 23). Each genotype receiveddoi:10.4314/bajopas.v5i2.26 fatcat:7zlxy4f2pvgk5oxgpau3igkb4i