A commercial vegetable crop in full production seen down the row in late-afternoon light.
  1. Home
  2. Crop Science
  3. Performance & Quality
  4. Solutions
  5. How to Increase Brix in Tomato
Performance & Quality · Solutions

How to Increase Brix in Tomato

For flavour-market and processing tomatoes, Brix is a paid-on spec. Over-watering, heavy loads and weak canopies dilute sugars and cut flavour, while balanced crops finish sweeter and richer.

Common crops affected

Why it matters

Brix drives flavour, grade, and price; it's built by healthy photosynthesis plus potassium and finishing nutrition, so two blocks of the same variety can differ widely.

When it appears

During fruit development and ripening - the finishing window.

What drives it

  • Photosynthesis and canopy health
  • Controlled irrigation late-season
  • Potassium and sugar-loading nutrition
  • Load balance and ripening timing

How to manage it

  1. Protect late-season leaf health; supply potassium; avoid late nitrogen.
  2. Apply Brix Boost with Potassium Pro through ripening.

Recommended Vegalab program

Brix Boost · encapsulated nutrition supporting sugar accumulation during ripening.

Observed results: in a Vegalab mini-trial on cherry tomato (Metro Manila, Philippines, March 2022), Brix Boost at 1:500 read 6 °Brix against 4 °Brix for both the untreated control and a 15-15-30+TE foliar - this was an early indicative trial, not a replicated study. Charge BioBoost lifted soluble solids separately and on replicated ground: +0.44 °Brix on Dutch cucumber (Granada, Spain, 2015-16) and +0.60 °Brix on processing tomato (Firebaugh, California, year three against the year-one grower standard), third-party tested and reported by The Agronomy Group.

RoleProductUse
Sugar enhancerBrix BoostFruit-sweetening fertiliser (P, K, trace elements)
Potassium drivePotassium ProMoves sugars into fruit
FinishHarvest ProLate-season fruit development

Apply from early ripening on the label interval; ease late irrigation to concentrate sugars where crop-appropriate.

Product claims, rates, and availability vary by jurisdiction; always follow the applicable label.

Frequently asked questions

Does cutting water raise Brix?

Moderate late-season deficit can concentrate sugars, but too much stresses the crop - combine careful irrigation with Brix Boost.