How to Reduce Potato Foliar Diseases
Nitrogen applications can have the effect of encouraging foliar diseases.
Crop Nutrition and Potato Foliar Diseases
Nitrogen is an essential nutrient to fuel canopy growth, however in temperate climates, an excess supply of nitrogen at later stages of growth will keep the crop growing, delaying maturity place the crop under increased risk of blight.
Nitrogen for is also an important consideration as too much ammonium nitrogen is a disadvantage as it reduces root zone pH and thereby promotes rhizoctonia.
Other crop management practices influencing foliar diseases
- Ensuring blight spray programmes are effective
- Scheduling irrigation to maximize quality characteristics
Recommended Yara fertilisers for potatoes
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