Estimating Conveyance Efficiency and Maize Productivity of Traditional Irrigation Systems in Usa River Catchment, Tanzania

Table 3

Irrigation schedule, hours, water quantity, farm size, and crop water productivity.

Zones	Irrigation schedule	Water (L/s)	Time (hrs)	Volume (m^3)	Size of farm (ha)	Yield (kg)	Water productivity (kg/m^3)	Crop productivity (kg/ha)
Downstream	1	53	3	572.4	1.045
	2	52	3	561.6	1.045
	3	45	2.5	405	1.045
	4	42	4	604.8	1.045
	5	51	3	550.8	1.045
	Average	48.6	3.1	2694.6	1.045	1102	0.41	1054.545
Midstream	1	68	5.5	1346.4	0.9996
	2	57	6	1231.2	0.9996
	3	58	5	1044	0.9996
	4	51	4	734.4	0.9996
	5	53	3	572.4	0.9996
	6	52	4	748.8	0.9996
	7	57	2.5	513	0.9996
	Average	56.6	4.3	6190.2	0.9996	892	0.15	892.357
Upstream	1	47	6	1015.2	0.801
	2	50	5.5	990	0.801
	3	47	6	1015.2	0.801
	4	48	4.5	777.6	0.801
	5	45	7	1134	0.801
	6	50	6	1080	0.801
	7	45	6	972	0.801
	8	59	5	1062	0.801
	Average	48.9	5.8	8046.0	0.801	701	0.09	875.156