First the young, immature leaves show a uniform light-green colour. Later interveinal areas become very light green with veins remaining green. With severe deficiency interveinal areas and veins bleach exept for a broad green border at the leaf margin
Copper deficiency Copper deficient leaf blades contain less than 3 ppm of copper at dry basis. Early symptoms of sulphur, molybdenum, manganese or iron deficiency are similar to the early symptoms of copper deficiency.
Strawberry (field grown): 0.5 l/ha applied early in the season before the start of flowering. Water rate: 200 to 400 l/ha.Read more about YaraVita COPTREL 500