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| Potatoes |
| Brassicas |
| Onions and Leeks |
| Soft fruit |
| Top fruit |
| Lettuce |
| Carrots |
| Other root vegetables |
| Ornamentals |
| Legumes |
Top fruit |
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| The nutrient requirements for top fruit vary according to the crop although the basic recommendation in RB209 states that for example at soil Index 1 for potash and magnesium, 150 kg K2O should be applied and 65 kg MgO /ha. This ratio amounts to 2.3 : 1 which is well supplied by the nutrient ratio in Patentkali. | |
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| Cautionary note. Whilst potash is extremely important in apples, rates should be calculated with caution as an excess of this nutrient can affect storage quality. |
