Effects of Subsurface Drip Irrigation on Water Consumption and Yields of Alfalfa under Different Water and Fertilizer Conditions

Table 4

Changes in the soil water storage levels of each crop of alfalfa during each growth stage.

Treatment	Soil water storage (mm) (the first/second/third crop)
	Seedling establishment stage	Jointing stage	Branching stage	Flowering stage	Total
SF-1	1.54/9.59/3.36	9.97/-3.27/-6.18	1.35/-3.95/13.35	3.83/-6.17/6.79	16.69/-3.80/17.32
SF-2	0.54/7.53/1.64	8.97/-5.97/-9.73	0.35/-3.61/12.46	2.83/-5.37/2.49	12.69/-7.42/6.86
SF-3	0.55/8.46/1.87	7.36/-5.48/-10.13	0.93/-2.92/14.61	2.63/-4.67/3.01	11.47/-4.61/9.36
SF-4	3.63/6.58/3.99	14.27/-3.37/-5.63	6.61/0.72/14.76	6.48/-4.38/5.47	30.99/-0.45/18.59
SF-5	3.36/5.69/3.01	12.23/-4.92/-10.67	3.85/-0.18/11.85	4.65/-4.55/3.13	24.09/-3.96/7.32
SF-6	3.68/5.99/3.05	12.87/-4.46/-8.81	6.37/0.25/13.16	4.49/-4.27/3.61	27.41/-2.49/11.01
SF-7	5.18/10.87/8.25	19.25/-1.14/-4.73	11.27/5.88/15.83	7.84/-1.62/8.36	43.54/13.99/27.71
SF-8	3.94/9.76/6.45	15.34/-2.07/-5.68	7.27/4.87/11.79	6.59/-1.86/5.16	33.14/10.70/17.72
SF-9	3.68/10.37/5.74	17.35/-1.48/-4.57	10.54/5.17/12.66	7.59/-1.25/5.63	39.16/12.81/19.46
SF-10	-9.68/-7.46/-8.89	23.35/23.75/17.65	19.56/13.69/56.08	-8.59/-15.18/-5.67	24.64/14.80/59.17