Symptoms
The pale green/yellow leaves (left) are reduced in size and growth may be stunted. Often seen on younger leaves first.
Reasons
Severe Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
May occur in patches due to soil type.
Potatoes - Growth retardation
Symptoms
The pale green leaves (left) are reduced in size and growth is stunted. Symptoms often seen on younger leaves first.
Reasons
Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
Potatoes - Chlorosis
Symptoms
The entire foliage - beginning at the younger leaves - turns pale green. Additionally, a purple tint may occur on stems, leaf stalks and leaf edges. The veins are often lighter than blade.
Reasons
Sulphur deficiency.
Nitrogen deficiency, nightfrosts, water shortage or heavy metal toxicity can cause similar symptoms.
Potatoes - Chlorosis
Symptoms
Symptoms start on young leaves. They are pale yellow and smaller than normal. The youngest leaves are bright yellow.
Reasons
Sulphur deficiency on leaves
Nitrogen deficiency produces similar symptoms but starts on older leaves.
Sulphur deficiency made worse by
Acidic soils
Light, sandy soils (leaching)
Low organic matter
Poorly aerated soils (waterlogged soils
) Areas with low industrial emissions
Sulfur is important for
Better crop development
Improved yield
Yara recommended fertilizers for Sulfur
YaraMila COMPLEX
Potatoes:
For best results,
Apply YaraMila Complex:
First application@ 25 kg/acre, at the time of sowing
Second application @ 25kg/acre, 25-30 days after sowing