Evaluation of Root Zone Behavior and Cucumber Yield under Different Mulch Materials and Irrigation Schedules under Tunnel Farming

Table 3

Change in root canopy diameter with time.

Treatments	Days	Root length (cm)
–	–	R1	R2	R3	R
T1: Black mulch + 20% deficit irrigation
	30	1.15	1.21	1.12	1.16
	60	2.64	2.59	2.56	2.59
	90	4.76	4.81	4.71	4.76
	131	5.78	5.83	5.76	5.79
T2: Black mulch + 40% deficit irrigation
	30	1.23	1.31	1.22	1.25
	60	2.87	2.85	2.82	2.85
	90	4.88	4.67	4.82	4.79
	131	5.89	5.83	5.91	5.88
T3: Transparent mulch + 20% deficit irrigation
	30	1.24	1.32	1.35	1.30
	60	2.73	2.79	2.84	2.79
	90	4.85	4.73	4.82	4.80
	131	5.75	5.81	5.84	5.80
T4: Transparent mulch + 40% deficit irrigation
	30	1.30	1.36	1.27	1.31
	60	2.85	2.89	2.91	2.88
	90	4.91	4.85	4.87	4.88
	131	5.85	5.88	5.95	5.89
T5: Wheat straw mulch + 20% deficit irrigation
	30	1.16	1.12	1.20	1.16
	60	2.72	2.70	2.81	2.74
	90	4.83	4.80	4.87	4.83
	131	5.82	5.96	5.93	5.90
T6: Wheat straw mulch + 40% deficit irrigation
	30	1.25	1.24	1.29	1.26
	60	2.89	2.84	2.86	2.86
	90	4.91	4.99	5.05	4.98
	131	5.92	5.95	6.02	5.96
Control: Without any mulch under furrow irrigation
	30	1.13	1.18	1.05	1.12
	60	2.45	2.49	2.40	2.45
	90	4.56	4.27	4.45	4.43
	131	5.24	5.38	5.38	5.33