Organic fertilization program for grapevine
Organic fertilization program for vineyards based on BBCH stages. From budbreak to post-harvest, with special emphasis on veraison and ripening to maximize wine quality.
All listed products are certified CE 2018/848, NOP USDA and JAS — suitable for certified organic production
Application calendar by phenological phase
Budbreak
BBCH 01-09Products
Dose
NITROTECH 2.5: 3-5 L/ha · BOOST UNIVERSAL: 2 L/ha
Objective
Activate uniform budbreak and supply nitrogen for vegetative growth start
Pre-bloom
BBCH 55-57Products
Dose
BOOST UNIVERSAL: 3 L/ha · UNIVERSAL POWER: 2 L/ha
Objective
Stimulate fruit set and reduce flower drop (coulure)
Full bloom — fruit set
BBCH 65-71Dose
BOOST UNIVERSAL: 3 L/ha · CALCIUM 40: 2 L/ha · NITROTECH 2.5: 3 L/ha
Objective
Maximize fruit set and supply calcium for berry cell wall
Berry growth
BBCH 73-79Products
Dose
NITROTECH 16: 4 kg/ha · K-FLOW 20: 4 L/ha · CALCIUM 40: 2 L/ha
Objective
Cover high nitrogen, potassium and calcium demand during berry growth
Veraison
BBCH 81-85Products
Dose
PK-FLOW 20-20: 5 L/ha · K-FLOW 20: 4 L/ha
Objective
Potassium and phosphorus for veraison: sugar (BRIX) and anthocyanin accumulation
Ripening — harvest
BBCH 87-89Products
Dose
K-FLOW 20: 5 L/ha · FULVEX 25L: 3 L/ha
Objective
Maximize Brix degrees, tannin structure and final wine quality
Post-harvest
Post-vendimiaProducts
Dose
NITROTECH 2.5: 4 L/ha · PHOSMAX 20: 3 L/ha
Objective
Vine recovery and reserve accumulation for the next season
| Phase | BBCH | Products | Dose | Objective |
|---|---|---|---|---|
| Budbreak | BBCH 01-09 | NITROTECH 2.5: 3-5 L/ha · BOOST UNIVERSAL: 2 L/ha | Activate uniform budbreak and supply nitrogen for vegetative growth start | |
| Pre-bloom | BBCH 55-57 | BOOST UNIVERSAL: 3 L/ha · UNIVERSAL POWER: 2 L/ha | Stimulate fruit set and reduce flower drop (coulure) | |
| Full bloom — fruit set | BBCH 65-71 | BOOST UNIVERSAL: 3 L/ha · CALCIUM 40: 2 L/ha · NITROTECH 2.5: 3 L/ha | Maximize fruit set and supply calcium for berry cell wall | |
| Berry growth | BBCH 73-79 | NITROTECH 16: 4 kg/ha · K-FLOW 20: 4 L/ha · CALCIUM 40: 2 L/ha | Cover high nitrogen, potassium and calcium demand during berry growth | |
| Veraison | BBCH 81-85 | PK-FLOW 20-20: 5 L/ha · K-FLOW 20: 4 L/ha | Potassium and phosphorus for veraison: sugar (BRIX) and anthocyanin accumulation | |
| Ripening — harvest | BBCH 87-89 | K-FLOW 20: 5 L/ha · FULVEX 25L: 3 L/ha | Maximize Brix degrees, tannin structure and final wine quality | |
| Post-harvest | Post-vendimia | NITROTECH 2.5: 4 L/ha · PHOSMAX 20: 3 L/ha | Vine recovery and reserve accumulation for the next season |
Complete program
Download the vineyard fertilization program
PDF with complete BBCH table, doses and product sheets
FAQs about vineyard fertilization
How do Ecoganic products improve Brix degrees in vineyards?
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Brix degrees (sugar concentration) in grapes are mainly improved with strategic potassium applications during the veraison period (BBCH 81-85). PK-FLOW 20-20 and K-FLOW 20 provide phosphorus and potassium in highly bioavailable forms that favor synthesis and accumulation of sugars in the berry. Fulvic acids (FULVEX) applied at ripening enhance the absorption of all nutrients and improve final must quality.
How can coulure be prevented in organic vineyards?
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Coulure (massive flower drop without setting) is prevented with algae biostimulant applications at pre-bloom (BBCH 55-57). BOOST UNIVERSAL and UNIVERSAL POWER improve pollen viability, fertilization process and flower retention. Applied 7-10 days before flowering, they significantly reduce the coulure percentage.
Is post-harvest fertilization important in vineyards?
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Yes, post-harvest fertilization is critical in organic vineyards. After harvest, the vine needs to replenish the carbon and nitrogen reserves expended during production. NITROTECH 2.5 and PHOSMAX 20 applications after harvest strengthen the root system and improve winter cold resistance. Good post-harvest recovery directly translates into better budbreak in the next season.