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

Bulletin of the National Research Centre

Table 5 Spike number and kernel weight of barley as affected by arginine (Arg) and irrigation regimes

Varieties	Compost	Spike number m⁻²				1000 kernel weight (g)
		Sufficient irrigation		Deficit irrigation		Sufficient irrigation		Deficit irrigation
		Arg (−)	Arg (+)	Arg (−)	Arg (+)	Arg (−)	Arg (+)	Arg (−)	Arg (+)
Giza 125	0.0-ton fed⁻¹	392	420	244	260	25.90	27.22	17.60	18.55
	2.0-ton fed⁻¹	433	476	272	308	28.01	30.32	19.16	21.33
	4.0-ton fed⁻¹	568	628	384	453	28.93	33.08	19.79	22.17
	6.0-ton fed⁻¹	584	673	412	492	30.03	34.21	20.20	22.81
Tombari	0.0-ton fed⁻¹	280	308	252	280	29.11	30.43	16.22	18.08
	2.0-ton fed⁻¹	365	412	260	304	31.15	33.99	18.88	21.58
	4.0-ton fed⁻¹	356	416	336	388	32.79	35.23	19.19	23.49
	6.0-ton fed⁻¹	445	544	345	420	33.25	36.34	19.36	24.34
	0.0-ton fed⁻¹	280	312	232	253	21.76	23.17	15.38	16.55
Ksar	2.0-ton fed⁻¹	344	397	272	316	23.29	25.17	17.46	19.44
Megrine	4.0-ton fed⁻¹	380	460	396	468	25.40	27.86	17.82	20.27
Megrine	6.0-ton fed⁻¹	408	480	406	487	26.17	29.12	19.74	22.64
Tamellat	0.0-ton fed⁻¹	296	324	232	244	22.25	23.08	15.57	17.13
	2.0-ton fed⁻¹	376	408	324	364	24.74	25.61	16.60	19.08
	4.0-ton fed⁻¹	472	516	345	403	25.42	26.82	17.59	20.33
	6.0-ton fed⁻¹	496	552	392	452	28.63	31.24	19.33	23.66
LSD (0.05)	Varieties	14.03	11.89	9.04	21.17	0.98	1.04	0.88	0.98
	Compost	21.85	21.67	9.18	21.97	1.09	1.20	0.91	0.99
	Interaction	32.75	30.63	16.64	39.38	1.91	1.81	1.76	1.82