impact of farmers' organic farming practices on soil properties in ...

Table 17. Available sulphur (kg S/ha) in soils under different cropping systems
Code
Depth (cm) Organic <strong>farming</strong> Conventional
<strong>farming</strong>
% increase over
conventional
<strong>farming</strong>
Cotton based cropping system
C1 0-15 29.25 27.00 8.33
15-30 26.25 24.75 6.10
Mean 27.75 24.87 11.60
C2 0-15 30.50 27.75 9.91
15-30 27.00 24.75 9.10
Mean 28.75 26.25 9.52
C3 0-15 29.25 27.00 8.33
15-30 27.75 24.75 12.12
Mean 28.50 25.87 10.20
C4 0-15 33.00 28.98 13.90
15-30 30.75 26.80 14.74
Mean 31.87 27.89 14.30
Average <strong>of</strong>
C1 – C4 0-15 30.50 27.68 10.20
15-30 27.94 25.26 10.60
Mean 29.22 26.47 10.40
Kharif jowar based cropping system
K1 0-15 36.75 35.25 4.25
15-30 33.00 32.25 2.32
Mean 34.87 33.75 3.32
K2 0-15 34.50 33.00 4.54
15-30 32.50 31.50 3.17
Mean 33.5 32.25 3.90
Average <strong>of</strong>
0-15 35.62 34.12 4.40
K1 – K2
15-30 32.75 31.87 2.80
Mean 34.18 32.99 3.60
Rabi jowar based cropping system
R1 0-15 25.50 24.00 6.25
15-30 23.25 21.75 6.90
Mean 24.37 22.87 6.50
R2 0-15 25.30 23.60 7.20
15-30 23.50 22.40 4.91
Mean 24.40 23.00 6.10
R3 0-15 28.75 27.75 3.60
15-30 27.00 25.50 5.90
Mean 27.87 26.62 4.70
Average <strong>of</strong>
0-15 26.51 25.11 5.60
R1 – R3
15-30 24.58 23.21 5.90
Mean 25.54 24.16 5.71