Table 3 Nutrient concentration in the shoots and roots of wheat grown in the acidic soil (-a) and calcareous (-c) control soils (C), soil and P. bilaii (Pb), soil amended with sewage sludge (SS), sewage sludge and P. bilaii (SSPb), triple superphosphate (TSP) and triple superphosphate and P. bilaii (TSPPb)

Shoot

 C-a

3.65 ± 0.16^a

2.33 ± 0.28^a

0.24 ± 0.02^a

0.32 ± 0.01^a

16.0 ± 2.4^a

7.0 ± 0.4^a

122 ± 21^ab

942 ± 117^a

55 ± 1.4^a

91 ± 28^ab

 CPb-a

3.26 ± 0.13^b

2.58 ± 0.45^a

0.24 ± 0.03^a

0.31 ± 0.007^a

15.6 ± 1.6^a

6.1 ± 0.4^a

134 ± 27^ab

999 ± 188^a

50 ± 2.4^ab

118 ± 37^ab

 SS-a

3.73 ± 0.06^a

1.36 ± 0.05^b

0.16 ± 0.01^b

0.32 ± 0.009^a

14.2 ± 0.9^a

8.0 ± 0.2^a

154 ± 14^a

454 ± 8.1^b

54 ± 2.7^b

126 ± 16^b

 SSPb-a

3.73 ± 0.08^a

1.47 ± 0.13^b

0.17 ± 0.01^b

0.32 ± 0.006^a

14.5 ± 0.8^a

7.4 ± 0.2^a

102 ± 4.9^b

503 ± 38^b

52 ± 4.2^ab

60 ± 6.8^bc

 TSP-a

3.74 ± 0.05^a

1.43 ± 0.07^b

0.17 ± 0.01^b

0.31 ± 0.002^a

14.0 ± 0.9^a

7.2 ± 0.1^a

93 ± 6.7^b

516 ± 28^b

46 ± 0.7^b

51 ± 9.4^c

 TSPPb-a

3.72 ± 0.04^a

1.36 ± 0.09^b

0.16 ± 0.01^b

0.32 ± 0.004^a

15.5 ± 0.7^a

7.2 ± 0.1^a

89 ± 6.2^b

493 ± 22^b

50 ± 2.7^ab

49 ± 6.7^c

 C-c

4.19 ± 0.05^a

1.24 ± 0.04^ab

0.24 ± 0.003^ab

0.33 ± 0.01^ab

9.7 ± 0.7^ab

9.7 ± 0.2^ab

88 ± 9.5^ab

46 ± 2.7^a

73 ± 2.4^b

56 ± 16^ab

 CPb-c

3.92 ± 0.09^b

1.22 ± 0.03^ab

0.23 ± 0.004^b

0.32 ± .004^b

9.4 ± 0.4^ab

9.2 ± 0.1^ab

76 ± 3.1^b

47 ± 1.5^a

69 ± 3.9^b

38 ± 2.4^ab

 SS-c

3.99 ± 0.07^b

1.26 ± 0.08^a

0.24 ± 0.009^ab

0.33 ± .004^ab

8.5 ± 0.4^b

9.5 ± 0.1^b

103 ± 13^a

44 ± 1.2^a

74 ± 1.8^b

82 ± 21^b

 SSPb-c

3.90 ± 0.05^b

1.24 ± 0.09^ab

0.25 ± 0.007^ab

0.33 ± .003^ab

10.0 ± 0.4^a

9.7 ± 0.1^a

81 ± 3.8^b

45 ± 1.3^a

76 ± 2.7^b

38 ± 3.5^bc

 TSP-c

4.30 ± 0.07^a

1.11 ± 0.01^b

0.25 ± 0.006^a

0.33 ± .002^ab

8.9 ± 0.3^ab

9.9 ± 0.1^ab

92 ± 5.4^ab

46 ± 2.0^a

89 ± 4.6^a

57 ± 8.0^c

 TSPPb-c

4.27 ± 0.09^a

1.14 ± 0.07^ab

0.25 ± 0.006^a

0.34 ± .003^a

9.5 ± 0.3^ab

9.9 ± 0.2^ab

78 ± 1.3^b

38 ± 1.6^b

77 ± 4.8^a

38 ± 3.7^c

 Ref. *

1.5–3

0.2–0.5

0.15–0.5

0.15–0.4

6–10

5–25

25–100

25–100

15–70

Root

 C-a

0.13 ± 0.01^a

0.19 ± 0.009^c

0.11 ± 0.009^a

0.12 ± 0.002^bc

5 ± 0.3^a

59 ± 3.9^a

4217 ± 443^a

425 ± 42^b

68 ± 5.6^ab

5040 ± 534^a

 CPb-a

0.13 ± 0.03^a

0.19 ± 0.006^c

0.11 ± 0.016^ab

0.11 ± 0.003^c

4 ± 0.8^ab

14 ± 1.3^ab

4421 ± 840^a

412 ± 15^b

67 ± 9.9^ab

5227 ± 1001^a

 SS-a

0.08 ± 0.01^b

0.24 ± 0.02^a

0.09 ± 0.006^abc

0.13 ± 0.0008^a

4 ± 0.3^ab

43 ± 1.1^ab

2881 ± 291^abc

801 ± 95^a

76 ± 6.7^a

3324 ± 327^b

 SSPb-a

0.06 ± 0.004^b

0.23 ± 0.008^ab

0.07 ± 0.003^c

0.12 ± 0.003^ab

3 ± 0.2^b

16 ± 1.4^b

2192 ± 141^c

817 ± 49^a

62 ± 1.9^abc

2488 ± 170^b

 TSP-a

0.07 ± 0.012^b

0.21 ± 0.01^abc

0.08 ± 0.007^bc

0.12 ± 0.003^ab

3 ± 0.5^b

13 ± 0.3^b

2511 ± 329^bc

717 ± 57^a

48 ± 2.8^c

3032 ± 429^b

 TSPPb-a

0.07 ± 0.008^b

0.21 ± 0.01^bc

0.08 ± 0.006^abc

0.12 ± 0.002^ab

3 ± 0.3^b

15 ± 1.6^b

2418 ± 303^c

730 ± 113^a

53 ± 1.7^bc

2886 ± 368^b

 C-c

0.06 ± 0.01^ab

0.39 ± 0.005^c

0.06 ± 0.005^a

0.12 ± 0.002^bc

4 ± 0.5^ab

15 ± 1.1^ab

1075 ± 191^a

44 ± 6.6^a

60 ± 10.8^a

1584 ± 293^a

 CPb-c

0.07 ± 0.004^a

0.43 ± 0.002^c

0.07 ± 0.002^a

0.11 ± 0.004^c

5 ± 0.1^a

13 ± 1.6^a

1294 ± 4.5^a

48 ± 2.9^a

36 ± 6.7^b

1919 ± 88^a

 SS-c

0.05 ± 0.002^b

0.40 ± 0.003^a

0.07 ± 0.001^a

0.12 ± 0.001^ab

3 ± 0.2^b

14 ± 2.1^b

981 ± 59^a

40 ± 2.0^a

36 ± 3.2^b

1423 ± 91^a

 SSPb-c

0.05 ± 0.006^b

0.38 ± 0.003^ab

0.07 ± 0.003^a

0.12 ± 0.004^ab

3 ± 0.3^b

10 ± 0.6^b

943 ± 111^a

39 ± 3.5^a

24 ± 2.1^b

1351 ± 156^a

 TSP-c

0.06 ± 0.009^ab

0.39 ± 0.002^abc

0.07 ± 0.004^a

0.13 ± 0.002^ab

3 ± 0.2^b

11 ± 0.9^b

1057 ± 157^a

42 ± 2.8^a

35 ± 5.4^b

1555 ± 244^a

 TSPPb-c

0.05 ± 0.009^ab

0.45 ± 0.004^bc

0.06 ± 0.003^a

0.13 ± 0.002^a

4 ± 0.5^ab

13 ± 1.9^ab

962 ± 241^a

40 ± 6.1^a

34 ± 2.0^b

1375 ± 253^a