Table 3. Nitrogenase activity and nitrogen content of cassava after inoculation with A02 and no nitrogen application in a field experiment.

Treatment	Nitrogenase activity (nmol mL−1 h−1)			Nitrogen content (mg g−1)
	Leaves	Stems	Roots	Leaves	Stems	Roots
A02	97.97 ± 19.01a	46.17 ± 3.88a	58.3 ± 3.98a	47.01 ± 0.82a	14.84 ± 0.32a	13.48 ± 0.72a
-N	58.79 ± 3.63b	46.97 ± 5.11a	48.37 ± 3.17b	36.90 ± 0.81b	13.83 ± 0.39a	12.28 ± 0.60a

Note:

A02, treatment with A02 inoculation; -N, treatment without nitrogen.