Effect of moisture regimes and pesticides of different biodegradability on transformation
Table 3. Effect of pesticides and moisture regimes on changes in the amount (mg kg -1 ) of soluble NO 3 - in soil treated with or
without inorganic N
Incubation period (Days)
Treatments
Moisture regimes
N-fertilization
0
15
30
60
-
41.13
60.12
69.54
50.62
60% of MHC
+
34.8
73.07
83.9
52.2
Soil
-
39.55
34.8
31.64
72.77
Waterlogged
+
53.79
87.01
55.37
109.16
-
30.06
58.54
99.67
37.37
60% of MHC
Soil + Endosulfan at 0.5
+
30.06
71.19
102.82
41.14
mg a.i kg-1
-
31.64
47.46
75.94
93.34
Waterlogged
+
42.71
61.7
96.5
104.41
-
49.05
26.9
80.69
31.64
60% of MHC
Soil + Chloropyriphos at
+
41.14
56.95
60.12
28.48
0.5 mg a.i kg-1
-
34.8
64.86
63.29
72.76
Waterlogged
+
47.46
82.43
72.77
87.01
-
42.71
50.63
66.45
53.79
60% of MHC
Soil + Endosulfan at 1.0
+
37.97
39.55
90.18
72.78
mg a.i kg-1
-
72.77
87.01
68.03
87.01
Waterlogged
+
80.68
91.76
104.41
107.58
-
29.74
25.31
56.95
37.97
60% of MHC
Soil + Chloropyriphos at
+
28.48
53.79
66.45
39.55
1.0 mg a.i kg-1
-
52.21
36.39
50.62
69.62
Waterlogged
+
58.53
68.03
69.61
75.94
Soils (S)
0.8854
0.0176
0.0176
0.0176
Nitrogen(N)
0.7229
0.1437
0.1437
0.1437
Moisture(M)
0.7229
0.1437
0.1437
0.1437
Endosulfan
SXN
1.2522
0.0246
0.0246
0.0246
SXM
1.2522
0.0246
0.0246
0.0246
NXM
1.022
0.0202
0.0202
0.0202
SXNXM
1.771
0.0349
0.0349
0.0349
CD (P=0.05)
Soils (S)
0.0185
0.0185
0.0463
0.0182
Nitrogen (N)
0.0152
0.0152
0.0378
0.0150
Moisture (M)
0.0152
0.0152
0.0378
0.0150
Chloropyrophos
SXN
0.0264
0.0264
0.0654
0.0258
SXM
0.0264
0.0264
0.0654
0.0258
NXM
0.0214
0.0214
0.0534
0.0211
SXNXM
0.0372
0.0372
0.0924
0.0628
369