Resource Book on Horticulture Nursery Management

are developed in the leaves due to deficiency of plant nutrients. So this requires
experience and practice in the field to recognize particular nutrient deficiency.
Plant Nutrient showing deficiency on older or lower leaves:
Nitrogen, Phosphorous, Magnesium, Potassium and Zinc
Plant Nutrient showing deficiencies on younger leaves or bud leaves are:
Calcium, Boron, Copper, Manganese, Sulphur and Iron
Typical Deficiency Symptoms
1. Nitrogen (N): Yellow or pale green color of leaves. Drying of bottom leaves and
short plant height.
Healthy Leaf at Left side and Nitrogen Deficiency leaf at Right side
2. Phosphorous (P): Leaves developing red and purple color. Slow growth and late
maturity is observed. Lower leaves dry and develop purple colours between veins.
Leaf petioles also develop purple color.
Phosphorous Deficiency in Plant
<strong>Resource</strong> <strong>Book</strong> on Horticulture Nursery Management : 45