Zinc Flashcards
1
Q
Zinc - function
A
Necessary for the formation of chlorophyll
Formation of auxins which help regulate growth
2
Q
Zinc - highest demand
A
Seed formation and grain development
3
Q
Zinc - deficiency
A
Stunted growth
Leaves reduced in size or misshaped
Chlorosis – yellowing of the leaves
4
Q
Zinc - factors that reduce availability
A
High pH and soils that have been heavily limed
Soils high in organic matter
Soils high is potassium
5
Q
Zinc- management
A
Soil test
Foliar spray – helps crop not soil
Apply zinc to soil via zinc fertilisers
