Working Document Series Open Access 2010 RUF-34584

Biological N2 fixation of three Acacia senegal varieties in the drylands of Kenya using 15N natural abundance method

E.W. Githae

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Abstract

59 words

A study is on-going in Kenya to identify Acacia senegal varieties with high symbiotic biological N2 fixation capacity. Balanites aegyptica, a non-legume species, has been included for comparison. Variety senegal has so far shown the highest leaf biomass (9.9 t/ha) followed by variety leiorhacis and kavensis (5.9 and 3.1 t/ha, respectively). The nitrogen assimulation study is still being analysed.

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