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 21. DTPA-extractable z<strong>in</strong>c and ir<strong>on</strong> <strong>in</strong> <strong>soil</strong>s under v<strong>in</strong>eyard 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 />
V1 0-15 1.72 1.37 25.54 6.16 4.72 30.50<br />
15-30 1.47 1.12 31.25 5.02 3.65 37.53<br />
Mean 1.59 1.24 28.22 5.59 4.19 33.41<br />
V2 0-15 1.74 1.37 27.00 5.91 4.72 25.21<br />
15-30 1.38 1.12 23.21 4.80 3.65 31.50<br />
Mean 1.56 1.24 25.80 5.35 4.19 27.68<br />
V3 0-15 1.95 1.37 42.33 6.35 4.72 34.53<br />
Average <str<strong>on</strong>g>of</str<strong>on</strong>g><br />
V1 – V3<br />
15-30 1.57 1.12 40.20 5.06 3.65 38.63<br />
Mean 1.76 1.24 41.93 5.70 4.19 36.03<br />
0-15 1.80 1.37 31.40 6.14 4.72 30.08<br />
15-30 1.47 1.12 31.25 4.96 3.65 35.89<br />
Mean 1.63 1.24 31.45 5.55 4.19 32.45