Vegetative Propagation Trial of Prosopis africana (Guill. et Perr.) Taub. by Air Layering under Sudano-Sahelian Climate in the South-Central Niger

Table 1

Number of marcots giving roots according to the diameter and position.

Position	Diameter (cm)
	1-2	2-3	Total
Middle	6	4	10
Basal	5	2	7
Total	11	6	17