The youngest leaves show yellow interveinal discoloration as they come out of the whorl. Mainly the basal part of the leaf is uniformly yellowgreen.
Mild Copper deficiency Copper deficiency in corn is rarely seen. N + S deficiency and cool weather produce symptoms similar to mild copper deficiency. Leaf streaking can be similar to Fe deficiency.
Maize: 0.5 l/ha at the 4 to 8 leaf stage. Water rate: 30 to 200 l/ha. Soil Applied at 3 l/ha. Seed Dressing: 4 litres per tonne.Read more about YaraVita COPTRAC DUAL