Sulfur deficiency-Apples | Yara United States

Change crop

Nutrients

Apples - Chlorosis

Symptoms
Leaf growth is reduced and leaves are pale green / yellow in colour. Chlorotic leaves eventually develop necrotic blotches near the margin. Symptoms start at younger leaves.

Reasons
Sulfur deficiency Nitrogen deficiency can produce similar symptoms but starts at older leaves.

Sulfur 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

New growth healthy and green
Fruit number and size increased
Overall yield is greater

Yara recommended fertilizers for Sulfur

YaraVera® AMIDAS® 40-0-0

Read more about YaraVera® AMIDAS® 40-0-0

NUTRA-PHOS CALZINC

Apple: 5 to 25 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.

SULFATE OF POTASH - GRANULAR 0-0-50

Apple: For established orchards apply up to 175-575 lbs Sulfate of Potash/acre in split applications. Utilizing Sulfate of Potash from Yara for part or all of your potassium needs provides your crop with water soluble potassium along with sulfate sulfur. Consult with your agronomist for local recommendations.

Read more about SULFATE OF POTASH - GRANULAR 0-0-50