Calcium deficiency-Corn | Yara United States

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Nutrients

Corn - Deformation

Symptoms
Symptoms start on younger leaves. Leaf tips show light green or whitish spots or streaky lesions and are often hooked back.

Reasons
Calcium deficiency. Calcium deficiency is rarely seen in corn.

Corn - Deformation

Symptoms
Symptoms start on younger leaves. Leaf tips show light green or whitish spots or streaky lesions and are often hooked back.

Reasons
Calcium deficiency. Calcium deficiency is rarely seen in corn.

Calcium deficiency made worse by

Acidic soils
Sandy or light soils (leaching)
Acid peat soils
Soils rich in sodium
Soils rich in aluminium
Drought conditions
Fruit high in nitrogen or potassium
Large fruit

Calcium is important for

Healthy foliage
Normal appearance
Increased yield and improved quality

Yara recommended fertilizers for Calcium

YaraVita® CALTRAC™

Corn: 1-2 quarts per acre at the 4 to 8 leaf stage. Water rate: 5-20 gallons per acre.

YaraVita® SENIPHOS™

Corn: 2 quarts/acre at 4 to 8 leaf stage. Water rate: 20 gallons/acre.

YaraVita® STOPIT™

Corn: 1-2 quarts/acre. Apply at the 4-8 leaf stage. Water rate: 3 to 20 gallons/acre.

NUTRA-PHOS CALZINC

Maize: 3 to 10 lb. per acre per application. Repeat as needed. Apply aerial applications in at least 5 gallons/acre and ground applications in at least 10 gallons/acre; however, when total application gallonage is 25 gallons per acre or less, DO NOT mix more than 1 lb. of this product per gallon of water.