Mitigation of water stress by compost and arginine application and its impacts on barley production

Bulletin of the National Research Centre

Table 6 Grain and biological yield of barley varieties at as affected by arginine (Arg) and irrigation regimes

Varieties	Compost	Grain yield (ton fed⁻¹)				Biological yield (ton fed⁻¹)
		Sufficient irrigation		Deficit irrigation		Sufficient irrigation		Deficit irrigation
		Arg (−)	Arg (+)	Arg (−)	Arg (+)	Arg (−)	Arg (+)	Arg (−)	Arg (+)
Giza 125	0.0-ton fed⁻¹	1.46	1.51	1.28	1.35	3.41	3.54	2.25	2.30
	2.0-ton fed⁻¹	1.61	1.70	1.32	1.41	4.09	4.31	2.98	3.12
	4.0-ton fed⁻¹	1.86	1.98	1.34	1.44	4.66	5.06	3.35	3.76
	6.0-ton fed⁻¹	1.95	2.12	1.35	1.53	5.04	5.64	4.10	4.66
Tombari	0.0-ton fed⁻¹	1.65	1.69	1.30	1.35	3.02	3.23	2.72	2.87
	2.0-ton fed⁻¹	1.76	1.86	1.32	1.39	3.82	4.09	3.28	3.50
	4.0-ton fed⁻¹	1.84	1.96	1.33	1.47	3.97	4.23	3.49	3.83
	6.0-ton fed⁻¹	1.96	2.09	1.41	1.58	4.78	5.29	3.58	4.03
	0.0-ton fed⁻¹	1.51	1.60	1.29	1.33	2.87	3.01	3.16	3.24
Ksar	2.0-ton fed⁻¹	1.56	1.67	1.26	1.35	3.57	3.82	3.42	3.57
Megrine	4.0-ton fed⁻¹	1.71	1.84	1.32	1.44	4.18	4.42	3.65	3.92
Megrine	6.0-ton fed⁻¹	1.77	1.93	1.38	1.53	4.52	4.83	4.38	4.81
Tamellat	0.0-ton fed⁻¹	1.49	1.51	1.36	1.44	3.28	3.40	2.71	2.87
	2.0-ton fed⁻¹	1.64	1.75	1.39	1.50	4.74	5.11	4.46	4.88
	4.0-ton fed⁻¹	1.67	1.81	1.42	1.55	5.03	5.44	5.33	5.95
	6.0-ton fed⁻¹	1.88	2.06	1.43	1.58	5.23	5.77	5.71	6.57
LSD (0.05)	Varieties	0.04	0.05	0.03	0.04	0.17	0.26	0.16	0.15
	Compost	0.06	0.07	0.04	0.05	0.27	0.36	0.17	0.30
	Interaction	0.09	0.10	0.07	0.08	0.41	0.57	0.30	0.41