Table 3 Effects of PM alone or co-applied with V on growth of barley plants grown in calcareous soils. Results are expressed as mean ± standard deviation of five replicates

C

14.02 ± 0.39 ^c

35.60 ± 1.00 ^e

5.76 ± 0.27 ^e

89.23 ± 0.66 ^a

PM1

18.07 ± 0.01 ^b

42.40 ± 1.87 ^d

7.08 ± 0.34 ^d

73.04 ± 0.71 ^d

PM2

18.38 ± 0.29 ^b

48.43 ± 1.63 ^b

9.90 ± 0.84 ^ab

82.31 ± 0.71 ^b

PM1V1

19.81 ± 0.23 ^a

45.20 ± 1.35 ^c

6.66 ± 0.07 ^d

75.25 ± 0.92 ^c

PM1V2

13.37 ± 0.33 ^d

54.53 ± 0.72 ^a

10.19 ± 0.26 ^a

72.38 ± 1.13 ^de

PM2V1

18.52 ± 0.69 ^b

42.60 ± 0.44 ^d

9.52 ± 0.17 ^b

72.13 ± 0.26 ^de

PM2V2

19.38 ± 0.26 ^a

53.30 ± 0.72 ^a

8.47 ± 0.14 ^c

71.63 ± 0.26 ^e