Role of Phosphorus in Tomato Production

Phosphorus is a component of nucleic acids (DNA and RNA) and essential for energy transfer within the plant. Thus it has a direct effect on yield and quality.

Phosphorus and yield

In soils with low available phosphorus, fertilizer phosphate increases fruit yield and ripening, reducing the number of green fruit at harvest, as trials with processing tomatoes in Italy show.

Phosphorus and TSS

In the same trials, phosphorus also ensured a significant increase in TSS, improving processing quality.

General guidelines for phosphate application

Phosphorus is not needed in large quantities. Around 44.6lb/ac is all that is required during the season for field grown crops. Phosphorus is used during early growth ensuring a good start for the crop and again at flowering and fruit set.

Phosphorus at tomato growth stages
Establishment Maximizes root development
Vegetative growth Ensures continued growth
Flowering - fruit set Fruit development
Fruit ripening - maturity Boosts tomato nutritional quality

Role of nutrients

Read about the role of other nutrients in tomato production:

Nitrogen

Phosphorus

Potassium

Calcium

Magnesium

Sulfur

Boron

Copper

Iron

Manganese

Molybdenum

Zinc

Follow @YSpecialtyCrops on Twitter
sebastian korob
Sebastian Korob
Crop Manager, Vegetable/Berries