Table 5. Crop water requirement for pistachio.

Month	Decade	Stagea	Kc	ETc	ETc	Eff rain	Irr. Req.
			coeff	mm/day	mm/dec	mm/dec	mm/dec
March	2	Init	0.42	0.87	5.2	14.4	0.0
March	3	Init	0.42	1.04	11.4	21.3	0.0
April	1	Deve	0.46	1.33	13.3	18.1	0.0
April	2	Deve	0.62	2.01	20.1	15.6	4.5
April	3	Deve	0.78	2.9	29.0	14.0	15.0
May	1	Deve	0.94	3.94	39.4	12.7	26.6
May	2	Deve	1.1	5.12	51.2	11.2	40.1
May	3	Deve	1.27	6.69	73.6	8.1	65.5
June	1	Deve	1.44	8.46	84.6	4.2	80.3
June	2	Mid	1.52	9.91	99.1	1.0	98.2
June	3	Mid	1.52	10.43	104.3	0.9	103.4
July	1	Mid	1.52	11.15	111.5	1.0	110.5
July	2	Mid	1.52	11.77	117.7	0.6	117.2
July	3	Mid	1.52	11.23	123.6	0.5	123.1
August	1	Mid	1.52	10.7	107.0	0.4	106.5
August	2	Mid	1.52	10.31	103.1	0.3	102.8
August	3	Late	1.52	9.29	102.2	0.4	101.8
September	1	Late	1.4	7.58	75.8	0.1	75.7
September	2	Late	1.21	5.8	58.0	0.0	58.0
September	3	Late	1.02	4.17	41.7	2.0	39.7
October	1	Late	0.83	2.82	28.2	8.3	19.9
October	2	Late	0.65	1.72	17.2	12.1	5.1
October	3	Late	0.47	1.05	9.4	11.8	0.0
					1,426.7	159	1,293.9

Notes.

^aInit, initinal; Deve, development; Eff. Rain, effective rain; Irr. Req, Irrigation requirements.