nutrients |
Control soil |
Sewage sludge 1% |
Sewage sludge 3% |
Sewage sludge 5% |
Poultry manure 1% |
Poultry manure 3% |
Poultry manure 5% |
NH4 |
0.27f |
10.20de |
46.17b |
93.32a |
3.87ef |
16.34d |
35.38c |
NO3 |
3.00d |
8.40cd |
12.80c |
20.29b |
9.04cd |
24.49b |
56.45a |
Na |
4.47f |
15.70e |
38.64d |
64.85c |
69.19c |
208.70b |
332.90a |
K |
19.25e |
22.5e |
42.12d |
54.81cd |
69.06c |
232.20b |
376.40a |
Ca |
87.84f |
103.60e |
131.10d |
152.70b |
91.46f |
139.10c |
160.40a |
Mg |
33.96b |
39.84b |
37.24b |
58.49a |
40.33b |
65.44a |
71.78a |