@article {62971,
	title = {Effect of nitrogen fertilizer on growth, flowering, fruiting and nodulation of three varieties of common bean in the arid region of a{\"\i}n naga (Biskra, Algeria)},
	year = {2020},
	month = {2020},
	author = {Mansouri, LM and Kheloufi, A and Belatreche, R and Heleili, N and Boukhatem, ZF}
}
