From: Linuron effects on microbiological characteristics of sandy soils as determined in a pot study
Enzyme | Dosage (mg kg−1 soil) | LS (days after application) | SL (days after application) | ||||||
---|---|---|---|---|---|---|---|---|---|
1 | 7 | 14 | 28 | 1 | 7 | 14 | 28 | ||
DHA (µg TPF g−1 soil h−1) | 0 | 27 a | 27 a | 26 a | 28 a | 56 a | 48 b | 52 a | 38 c |
4 | 26 a | 26 a | 23 b | 23 b | 57 a | 49 b | 53 a | 38 c | |
20 | 26 a | 28 a | 22 b | 22 b | 57 a | 46 b | 53 a | 40 c | |
LSD 2 | 400 | 28 a | 22 b | 17 c | 13 d | 55 a | 48 b | 38 c | 32 d |
PHOS-H (µg p-NP g−1 soil h−1) | 0 | 101 a | 123 c | 118 c | 144 f | 136 a | 155 c | 127 e | 153 c |
4 | 101 a | 124 c | 122 c | 153 g | 137 a | 166 d | 136 a | 153 c | |
20 | 104 a | 121 c | 130 e | 161 h | 137 a | 172 d | 145 b | 153 c | |
LSD 3 | 400 | 115 b | 141 d | 137 d | 161 h | 146 b | 167 d | 151 b | 152 bc |
PHOS-OH (µg p-NP g−1 soil h−1) | 0 | 83 a | 61 c | 84 a | 90 e | 96 a | 89 c | 93 a | 101 d |
4 | 81 a | 68 d | 84 a | 92 e | 95 a | 91 a | 93 a | 97 ad | |
20 | 83 a | 69 d | 84 a | 90 e | 105 b | 89 a | 92 a | 101 bd | |
LSD 2 | 400 | 76 b | 74 b | 89 e | 99 f | 107 b | 95 a | 96 a | 97 ad |
URE (mg NH +4 kg−1 soil h−1) | 0 | 22 a | 42 c | 43 c | 25 d | 53 a | 46 b | 53 a | 54 a |
4 | 19 ab | 41 c | 46 c | 25 d | 50 a | 44 b | 59 c | 53 a | |
20 | 19 ab | 43 c | 46 c | 26 d | 51 a | 51 a | 62 c | 55 a | |
LSD 2 | 400 | 16 b | 45 c | 47 c | 24 d | 47 b | 45 b | 58 c | 54 ac |