Phosphorus deficiency vs. optimum-Pepper

Symptoms
The leaf blade has got a mottled, chlorotic appearance. By the time, the bigger chlorotic dots towards the leaf margin turn grey and necrotic.

Reasons
Phosphorus deficiency

Pepper - Chlorosis

Symptoms
The leaf blade has got a mottled, partly chlorotic and partly dark green appearance.

Reasons
Phosphorus deficiency

Pepper - Discolouration

Symptoms
Fruit on P deficient plants are often shorter and narrower than normal

Reasons
Phosphorus deficiency on fruit

Phosphorus deficiency vs. optimum made worse by

Acidic or very alkaline (calcareaus) soils
Low organic matter
Cold or wet conditions
Crops with a poorly developed root system
Soils with low P reserves
Soils with a high phosphate capacity
Iron rich soils

Phosphorus is important for

Ensuring good start and continued growth for high yield
Increases fruit set, fruit development and early maturity

Yara recommended fertilizers for Phosphorus

YaraTera KRISTA MKP

Pepper (field grown): For fertigation, use 5.5-6.5kg in 200L stock solution, Ec = 1.0 (transplanting phase), 1.5 (generative phase), 1.6-2.2 (mature phase, depending on local conditions)