CROPS
Potato Crops
Sulphur Deficiency
Symptoms: Yellowing first Appears on the older leaves, followed by gradual discoloring of the entire leaf.
Affect: Sucrose content is reduced.
Phosphorous Deficiency
Symptoms: Leaf margins and bottom of side of leaves will turn purple.
Affect: Plants are usually stunted..
Nitrogen Deficiency
Symptoms: Older leaves turn to yellow colour.
Affect: Growth was stunted.
Iron Deficiency
Symptoms: The base of the youngest leaves appear bleached,while the leaf tips and margins initially remain green.
Affect: Colour of potato will be dull.
Copper Deficiency
Symptoms: The tips brown and become necrotic.
Affect: Young leaves curl upwards.
Calcium Deficiency
Symptoms: Normal development of growing points is inhibited,cupping of leaves.
Affect: Tuber quality and keeping quality is reduced.
