| Enter field name (date: 07 February 2012): |
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| Select organic manure: (if applied) |
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| Select Potato variety group & length of growing season |
Group 1
Group 2
Group 3
Group 4 |
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| Select soil type |
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| Select previous management |
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| IF grass was included in the rotation during the last 3 years - select grass system and when it was ploughed up. |
Previous crop:
2 Yrs ago:
3 Yrs ago:
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| Select annual rainfall |
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| Select P, K and Mg Indices |
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| Recommendations |
N |
P2O5 |
K2O |
MgO |
| Total: (Kg/Ha) |
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