Table 2. Acidity parameters (pH, BCex and Alex) and biogenic resource parameters (Ctot, Ntot, Pavail, Kex, DOC) in soils following addition of manure and straw PyOMs at 3%.
pH | BCexa(cmol kg−1) | Alex(cmol kg−1) | Ctot (g kg−1) | Ntot (g kg−1) | Pavail (mg kg−1) | Kex (cmol kg−1) | DOC (mg kg−1) | |
---|---|---|---|---|---|---|---|---|
BuCK | 5.33 ab | 0.39 a | 0.74 b | 11.81 a | 0.99 a | 11.56 a | 0.03 a | 52.3 a |
BuMa | 6.64 c | 1.18 b | 0.00 a | 19.82 b | 1.40 b | 37.34 b | 0.08 a | 95.0 b |
BuSt | 5.99 b | 0.96 b | 0.08 a | 28.54 c | 1.29 b | 13.08 a | 0.24 b | 55.7 a |
RhCK | 5.13 A | 0.29 A | 0.93 B | 12.58 A | 0.93 A | 12.91 A | 0.03 A | 67.6 A |
RhMa | 6.94 C | 1.34 C | 0.07 A | 18.56 B | 1.40 B | 32.89 B | 0.08 B | 88.1 B |
RhSt | 6.11 B | 1.05 B | 0.02 A | 26.43 C | 1.23 AB | 11.62 A | 0.34 C | 83.1 B |
aBCex, total exchangeable base cations; Alex, exchangeable Al; Ctot, total C; Ntot, total N; Pavail, available phosphorus; Kex, exchangeable K; DOC, dissolved organic carbon.
bDifferent letter in lower case within the same column indicates that the difference is significant at p < 0.05 probability level in bulk soil samples; Different letter in upper case indicates that the difference is significant at p < 0.05 probability level in rhizosphere soil samples.