Early transplanting of rainfed rice minimizes irrigation demand by utilizing rainfall

Environmental Systems Research

Table 4 Crop water requirement (CWR), effective rainfall (ER) and irrigation demand (ID) at reproductive phase in Pabna and Rajshahi under varying transplanting dates during T. Aman, 2014–2016

Year	Date	Pabna			Rajshahi
Year	Date	CWR (mm)	ER (mm)	ID (mm)	CWR (mm)	ER (mm)	ID (mm)
2014	10-Jul	117	113	4	129	60	69
	17-Jul	112	114	0	123	65	58
	24-Jul	106	115	0	126	60	66
	31-Jul	108	97	11	124	38	86
	7-Aug	109	83	26	122	5	117
	14-Aug	103	70	33	113	5	108
2015	10-Jul	131	94	36	136	102	34
	17-Jul	127	101	26	132	85	47
	24-Jul	122	110	12	126	53	73
	31-Jul	120	93	27	124	34	90
	7-Aug	118	81	38	122	21	102
	14-Aug	108	68	39	113	7	106
2016	10-Jul	127	118	9	125	102	23
	17-Jul	128	95	33	128	104	24
	24-Jul	130	61	68	131	108	23
	31-Jul	127	52	76	130	95	35
	7-Aug	125	44	81	128	86	42
	14-Aug	113	37	76	119	76	43