Effect of moisture regimes and pesticides of different biodegradability on transformation
Table 5. Effect of pesticides and moisture regimes on changes in the amount (mg kg -1 ) of hydrolysable organic NH4 + -N in
soil treated with or without inorganic N
Incubation period (Days)
Treatments
Moisture regimes
N-fertilization
0
15
30
60
-
232.95
174.72
244.02
279.30
60% of MHC
+
232.90
276.60
220.78
225.10
Soil
-
218.34
284.76
222.90
162.62
Waterlogged
+
241.57
295.70
215.86
255.64
-
320.30
291.00
267.26
359.10
60% of MHC
+
305.79
295.04
255.64
359.10
Soil + Endosulfan at 0.5 mg a.i kg -1
-
264.81
274.30
185.92
116.20
Waterlogged
+
241.54
269.54
271.84
174.30
-
249.44
276.67
290.16
299.10
60% of MHC
+
174.70
253.28
266.32
319.20
Soil + Chloropyriphos at 0.5 mg a.i kg -1
-
204.27
316.25
222.90
185.92
Waterlogged
+
205.75
295.45
211.28
197.54
-
218.40
280.49
220.78
279.30
60% of MHC
+
293.16
292.86
220.78
298.50
Soil + Endosulfan at 1.0 mg a.i kg -1
-
215.88
216.45
285.04
255.64
Waterlogged
+
234.52
363.80
250.72
272.88
-
218.10
174.68
290.50
252.20
60% of MHC
+
276.64
305.75
174.30
259.10
Soil + Chloropyriphos at 1.0 mg a.i kg -1
-
255.62
216.40
288.04
185.92
Waterlogged
+
272.89
263.86
258.00
174.30
Soils(S)
2.5097
2.7654
0.0176
0.0176
Nitrogen(N)
2.0493
2.2581
0.0144
0.0144
Moisture(M)
2.0493
2.2581
0.0144
0.0144
Endosulfan
SXN
3.5493
3.9109
0.0246
0.0246
SXM
3.5493
3.9109
0.0246
0.0246
NXM
2.898
3.1933
0.0202
0.0202
SXNXM
5.0197
5.5309
0.0349
0.0349
CD (P=0.05)
Soils(S)
2.2129
2.4450
0.0185
0.0185
Nitrogen(N)
1.8071
1.9962
0.0152
0.0152
Moisture(M)
1.8071
1.9962
0.0152
0.0152
Chloropyrophos
SXN
3.1297
3.4575
0.0264
0.0264
SXM
3.1297
3.4575
0.0264
0.0264
NXM
2.5555
2.8229
0.0214
0.0214
SXNXM
4.4262
4.8895
0.0372
0.0372
371