impact of farmers' organic farming practices on soil properties in ...
impact of farmers' organic farming practices on soil properties in ...
impact of farmers' organic farming practices on soil properties in ...
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Table 20. DTPA-extractable z<strong>in</strong>c and ir<strong>on</strong> <strong>in</strong> <strong>soil</strong>s under sugarcane based cropp<strong>in</strong>g system<br />
Code Depth (cm)<br />
Organic <str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g> C<strong>on</strong>venti<strong>on</strong>al<br />
<str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g><br />
Z<strong>in</strong>c (ppm) Ir<strong>on</strong> (ppm)<br />
% <strong>in</strong>crease over<br />
c<strong>on</strong>venti<strong>on</strong>al<br />
<str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g><br />
Organic <str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g> C<strong>on</strong>venti<strong>on</strong>al<br />
<str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g><br />
% <strong>in</strong>crease over<br />
c<strong>on</strong>venti<strong>on</strong>al<br />
<str<strong>on</strong>g>farm<strong>in</strong>g</str<strong>on</strong>g><br />
S1 0-15 1.81 1.26 43.65 6.35 4.74 33.96<br />
15-30 1.58 1.10 43.63 4.96 3.68 34.78<br />
Mean 1.69 1.18 43.22 5.65 4.21 34.20<br />
S2 0-15 1.68 1.24 35.48 6.54 4.86 34.56<br />
15-30 1.22 0.76 60.52 5.24 3.62 44.75<br />
Mean 1.45 1.00 45.00 5.89 4.24 38.91<br />
S3 0-15 1.55 1.09 42.20 6.31 4.51 39.91<br />
15-30 1.33 0.76 75.00 4.91 3.43 43.14<br />
Mean 1.44 0.92 56.52 5.61 3.97 41.30<br />
S4 0-15 1.58 1.12 41.10 6.16 4.62 33.33<br />
Average <str<strong>on</strong>g>of</str<strong>on</strong>g><br />
S1 – S4<br />
15-30 1.23 0.83 48.20 4.96 3.58 38.54<br />
Mean 1.40 0.97 44.33 5.56 4.10 35.60<br />
0-15 1.65 1.18 39.83 6.34 4.68 35.50<br />
15-30 1.34 0.86 55.81 5.01 3.58 39.94<br />
Mean 1.49 1.02 40.10 5.67 4.13 37.30