Nutrient Deficiency Guide
PowerAG’s visual guide helps you determine your crop’s nutrient deficiencies.
All plants require certain micronutrients to grow healthy and produce a high yield. When these nutrients are missing, the plants give tell-tale signs of this deficiency. With our visual guide, you can quickly find the deficiency affecting your crop and find the right solution.
See common nutrient deficiencies in:
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Common Nutrient Deficiencies in Alfalfa
Common Nutrient Deficiencies in Berries
Common Nutrient Deficiencies in Cereal Grains
Boron Deficiency
Abnormal growth on youngest leaves, and terminal growth becomes stunted and dies.
Copper Deficiency
Wilting, rolling, and death of tips in youngest leaves.
Manganese Deficiency
Gray spots on lower leaves. Brown dead areas appear as deficiency becomes acute.
Nitrogen Deficiency
Pale, yellowish-green foliage and stunted plants.
Sulfur Deficiency
Similar to Nitrogen deficiency: pale, yellowish-green foliage with marginal leaf striping.
Zinc Deficiency
Banding or striping appearance on new leaves; stunted growth.
Common Nutrient Deficiencies in Corn
Nitrogen Deficiency
Pale, yellowish-green foliage and stunted plants.
Phosphorus Deficiency
Stunted plant with distorted leaf shapes. Purple or reddish color on lower leaves and stems.
Potassium Deficiency
Scorching along leaf margins.
Sulfur Deficiency
Similar to Nitrogen deficiency: pale, yellowish-green foliage with marginal leaf striping.
Zinc Deficiency
Banding or striping appearance on new leaves; stunted growth.
Common Nutrient Deficiencies in Cucurbits
Boron Deficiency
Abnormal growth on youngest leaves, and terminal growth becomes stunted and dies.
Calcium Deficiency
Browning and dieback of growing root and leaf tips.
Magnesium Deficiency
Intervenial chlorosis on older leaves, with leaves becoming brittle or thin.
Potassium Deficiency
Scorching along leaf margins.
Common Nutrient Deficiencies in Fruiting Vegetables
Common Nutrient Deficiencies in Grapes
Boron Deficiency
Abnormal growth on youngest leaves, and terminal growth becomes stunted and dies.
Iron Deficiency
Interveinal chlorosis on younger leaves. Severe deficiency may turn entire plant yellow to bleached white.
Magnesium Deficiency
Intervenial chlorosis on older leaves, with leaves becoming brittle or thin.
Potassium Deficiency
Scorching along leaf margins.
Common Nutrient Deficiencies in Leafy Vegetables
Common Nutrient Deficiencies in Potatoes
Common Nutrient Deficiencies in Soybeans
Boron Deficiency
Abnormal growth on youngest leaves, and terminal growth becomes stunted and dies.
Manganese Deficiency
Gray spots on lower leaves. Brown dead areas appear as deficiency becomes acute.
Molybdenum Deficiency
Older and middle leaves become chlorotic, and growth & flower formation are restricted.
Potassium Deficiency
Scorching along leaf margins.
Zinc Deficiency
Banding or striping appearance on new leaves; stunted growth.
Common Nutrient Deficiencies in Tree Fruit
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