Research Article

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

Table 1

Treatment effects on pH, , and soluble cations and anions (±SD).

NaCl levelspH (dS m−1)Cations (mmol (+) L−1)Anions (mmol (−) L−1)
Ca++Mg++Na+K+Cl

Without FYM
S07.86 ± 0.053.69 ± 0.059.01 ± 0.724.02 ± 0.409.11 ± 1.180.39 ± 0.0417.4 ± 0.838.66 ± 0.621.62 ± 0.10
S17.83 ± 0.044.19 ± 0.059.08 ± 0.644.01 ± 0.5113.2 ± 1.100.36 ± 0.0321.5 ± 1.088.59 ± 0.891.61 ± 0.08
S27.80 ± 0.034.95 ± 0.109.06 ± 0.844.19 ± 0.4921.3 ± 1.420.44 ± 0.0129.5 ± 1.948.92 ± 0.861.66 ± 0.06
S37.77 ± 0.056.29 ± 0.059.14 ± 0.704.36 ± 0.5234.4 ± 1.550.52 ± 0.0243.7 ± 2.359.10 ± 0.801.64 ± 0.07

LSDS0.040.06NSNS1.070.031.34NSNS

With FYM
S07.67 ± 0.033.84 ± 0.0610.2 ± 0.714.74 ± 0.319.41 ± 1.000.62 ± 0.1117.5 ± 1.528.90 ± 0.971.66 ± 0.07
S17.65 ± 0.044.33 ± 0.0610.2 ± 0.664.90 ± 0.4713.5 ± 1.510.63 ± 0.0521.3 ± 1.768.93 ± 0.511.64 ± 0.07
S27.56 ± 0.055.16 ± 0.0410.3 ± 0.765.21 ± 0.5422.5 ± 1.130.68 ± 0.0330.7 ± 1.609.01 ± 0.541.65 ± 0.06
S37.51 ± 0.046.42 ± 0.1010.5 ± 0.655.01 ± 0.3635.0 ± 1.880.78 ± 0.0545.6 ± 1.739.23 ± 0.771.67 ± 0.06

LSDS0.030.06NS0.351.150.051.33NSNS

LSDSF0.02NS0.230.15NS0.03NSNS0.02

LSDS (P < 0.05) = salt effect; LSDSF (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.