Results (Cont. b)

15. Zimbabwe highland

16. South Africa - Lesotho - Swaziland

17. Awash river area in Ethiopia

18. All islands (Comoros. Mauritius. Seychelles, Cape Verde)

TABLE 8: Potential irrigation efficiency and water requirements for the 84 irrigation water requirements zones of Figures 10 and 11

IWR zone	Irrigation crop zone	Irrigation efficiency %	Irrigation water requirement(mm/year)
			Net	Gross
1	1	60	400	700
2	1	60	500	850
3	1	60	450	750
4	1	60	800	1350
5	1	60	700	1200
6	1	60	900	1500
7	2	70	900	1300
8	1	60	650	1100
9	1	60	750	1250
10	5	80	900	1150
11	5	80	1000	1250
12	5	80	1250	1600
13	2	70	900	1300
14	2	70	1250	1800
15	2	70	1600	2300
16	2	70	1200	1750
17	7	80	1400	1750
18	7	80	1200	1500
19	7	80	900	1150
20	7	80	750	950
21	3a	50	400	800
22	3a	50	350	700
23	3a	50	600	1200
24	3a	50	250	500
25	6	50	350	700
26	17	50	500	1000
27	3a	50	150	300
28	6	50	100	200
29	6	50	250	500
30	3b	50	1200	2400
31	3b	50	750	1500
32	8	50	750	1500
33	8	50	450	900
34	3b	50	500	1000
35	3b	50	850	1700
36	3b	50	200	400
37	4c	50	1500	3000
38	3b	50	350	700
39	10	50	400	800
40	10	50	850	1700
41	10	50	350	700
42	10	50	600	1200
43	10	50	350	700
44	10	50	600	1200
45	11	45	550	1250
46	9	50	500	1000
47	9	50	400	800
48	9	50	650	1300
49	9	50	850	1700
50	4a	45	2200	4900
51	4a	45	2200	4900
52	4a	45	1400	3150
53	12a	45	1250	2800
54	12a	45	900	2000
55	4b	50	800	1600
56	12a	45	700	1600
57	12a	45	550	1250
58	12a	45	500	1150
59	12b	45	500	1150
60	12b	45	550	1250
61	12b	45	650	1450
62	12b	45	900	2000
63	14	65	200	350
64	13	50	300	600
65	14	65	350	550
66	14	65	400	650
67	14	65	600	950
68	16	60	400	700
69	16	60	950	1600
70	16	60	800	1350
71	16	60	600	1000
72	16	60	500	850
73	4d	50	1000	2000
74	4e	50	1000	2000
75	4d	50	750	1500
76	11	45	500	1150
77	11	45	550	1250
78	11	45	450	1000
79	15	60	650	1100
80	18	60	300	500
81	18	60	1500	2500
82	13	50	200	400
83	18	60	150	250
84	2	70	900	1300

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