Influence of NaCl-Induced Salinity and Cd Toxicity on Respiration Activity and Cd Availability to Barley Plants in Farmyard Manure-Amended Soil

Table 2

Treatment effects on shoot dry matter of barley plants (g pot⁻¹).

FYM treatments	NaCl levels	Cd levels (mg kg^−1)						LSDCd
		0.5	1.5	3	6	12	24
Without FYM	S0	0.83	0.80	0.85	0.83	0.82	0.71	NS
	S1	0.82	0.82	0.80	0.81	0.80	0.70	NS
	S2	0.77	0.78	0.77	0.74	0.68	0.60	NS
	S3	0.69	0.66	0.68	0.64	0.53	0.39	0.17
LSDS		NS	NS	NS	0.11	0.13	0.13
With FYM	S0	1.10	1.12	1.08	1.15	1.10	1.11	NS
	S1	1.15	1.11	1.09	1.13	1.12	1.10	NS
	S2	1.10	1.07	1.08	1.07	1.05	0.98	NS
	S3	1.07	1.05	1.06	0.97	0.92	0.78	0.20
LSDS		NS	NS	NS	NS	NS	0.21
LSDSF		0.08	0.07	0.09	0.08	0.10	0.12

LSD_Cd (P < 0.05) = Cd effect; LSD_S (P < 0.05) = salt effect; LSD_SF (P < 0.05) = salt FYM effect, S0 (without NaCl), S1 (30 mM NaCl), S2 (60 mM NaCl), and S3 (120 mM NaCl); NS = not significant.