Optimization of Water Management for Green Pepper Production in a Water-Limiting Tropical Savanna Agroecological Zone Based on Crop Water Productivity

Table 4

Estimated daily net and gross irrigation and duration of irrigation at different growth stages (application efficiency at 90%).

Treatment		Initial			Development			Mid-season			Late season
		ETc	GIR	IRR time	ETc	GIR	IRR time	ETc	GIR	IRR time	ETc	GIR	IRR time
1		5.02	5.58	18 mins, 36 sec	5.78	6.42	21 mins, 24 sec	8.77	9.7	32 mins, 30 sec	5.14	5.71	19 mins
2		4.02	4.47	14 mins, 54 sec	4.62	5.13	17 mins, 6 sec	7.02	7.8	26 mins	4.11	4.57	15 mins, 12 sec
3		3.01	3.34	11 mins, 6 sec	3.47	3.86	12 mins, 54 sec	5.26	5.8	19 mins, 30 sec	3.08	3.42	11 mins, 24 sec
4	Morn	3.01	3.34	11 mins, 6 sec	3.47	3.86	12 mins, 54 sec	5.26	5.8	19 mins, 30 sec	3.08	3.42	11 mins, 24 sec
	Eve	2.01	2.23	7 mins, 24 sec	2.31	2.57	8 mins, 36 sec	3.51	3.9	13 mins	2.06	2.29	7 mins, 36 sec
5	Morn	2.41	2.68	8 mins, 54 sec	2.77	3.08	10 mins, 18 sec	4.21	4.7	15 mins, 36 sec	2.47	2.74	9 mins, 6 sec
	Eve	1.61	1.79	6 mins	1.85	2.06	6 mins, 54 sec	2.63	2.9	9 mins, 42 sec	1.64	1.82	6 mins, 6 sec
6	Morn	1.81	2.01	6 mins, 42 sec	2.08	2.31	7 mins, 42 sec	3.16	3.5	11 mins, 42 sec	1.85	2.06	6 mins, 54 sec
	Eve	1.2	1.33	4 mins, 24 sec	1.39	1.54	5 mins, 6 sec	2.1	2.3	7 mins, 48 sec	1.23	1.37	4 mins, 36 sec

Morn, morning; Eve, evening; ET_c, crop water requirement; GIR, gross irrigation requirement; IRR, irrigation.