CALCIUM 40
NPK 0-0-0+Ca
Description
Liquid calcium suspension, with a density of 1.624 kg/L and pH 7.99. It declares over 25% w/w calcium (Ca) and testing at an accredited laboratory measured 34.0% w/w calcium oxide (CaO). The calcium carbonate is micronised below 1 μm, and it incorporates 25% w/w freshwater unicellular algae extract. Calcium is involved in cell-wall firmness and post-harvest keeping. It is applied foliarly at 2-3 L/ha or 200-300 cc/100 L and through fertigation at 5-6 L/ha. Chloride below the limit of detection: under 0.05% w/w.
Key benefits
- ✓Particles <1μm — maximum absorption
- ✓Prevents blossom end rot and tip-burn
- ✓Improves firmness and post-harvest
- ✓Nitrate-free
Guaranteed composition
Physical properties
Chloride determined by ion chromatography UNE-EN 10304-1 at an ENAC-accredited laboratory.
Laboratory analysis
| Parameter | Datasheet declares | Test measures |
|---|---|---|
| Calcium oxide (CaO) | 35 % p/p | 34,0 % p/pconfirms |
| Chloride (Cl)UNE-EN 10304-1 | — | < 0,05 % p/pnot declared |
Tested at an ENAC-accredited laboratory. Values relate to the batch analysed and are not a warranty of composition for every batch.
Field trials with this product
Own and third-party field trials, published with their methodology, their source and, where applicable, the note that an observed difference does not reach statistical significance.
What NOT to tank-mix with this product
Must not share a tank (6)
PHOSMAX 20
PHOSMAX 20 Suspensión Líquida
TERRA HUMID LIQUID
PK-FLOW 20
IRONPLUS
MICRO PLUS 1-0-0
With caution (9)
BOROPLUS
NITROTECH 10
NITROTECH 2.5
NITROTECH 8
ZINCFORCE 40
K-FLOW 20
UNIVERSAL POWER
BOOST UNIVERSAL SALINITY
BALANCE 6-3-18
Verdicts derived from each product's composition and pH using applied chemistry. They do not come from a compatibility trial: always run the jar test with your own field water before loading the tank.
See the full compatibility table →Pack sizes
Trial size, for field testing
Stackable jerrican, the usual fertigation format
Stackable jerrican, the usual fertigation format
Stackable jerrican, the usual fertigation format
1000 L
IBC tank on pallet, for fertigation of large areas
Documentation and safety
Safety data sheet available on request
The safety data sheet for this product is not published yet. We send it by email the same working day.
Request the sheetApplication method
Recommended dose: Foliar: 2–3 L/ha or 200–300 cc/100 L · Fertigation: 5–6 L/ha
Calculate your dose
Enter your area or spray volume and calculate how much CALCIUM 40 you need.
for foliar doses (per 100 L)
Enter the area or spray volume to calculate the amounts.
Indicative calculation based on technical datasheet doses. Always confirm with your agronomic advisor before applying.
Want a tailored fertilization program?
Our agronomy team designs the exact plan for your crop, soil and season.
Recommended crops
- ▸Tomato, pepper, lettuce, apple, avocado, fruit trees, grape, strawberry
Crop program:
Frequently asked questions
What are the main benefits of CALCIUM 40?
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Particles <1μm — maximum absorption. Prevents blossom end rot and tip-burn. Improves firmness and post-harvest. Nitrate-free
Which crops is CALCIUM 40 indicated for?
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Tomato, pepper, lettuce, apple, avocado, fruit trees, grape, strawberry
How and when is CALCIUM 40 applied?
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Foliar, Fertigation. Recommended dose: Foliar: 2–3 L/ha or 200–300 cc/100 L · Fertigation: 5–6 L/ha
Is CALCIUM 40 suitable for certified organic farming?
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Yes. CALCIUM 40 is certified under CE 2018/848 (EU), NOP USDA (USA). It is suitable for certified organic production in those markets.
How much chloride does CALCIUM 40 contain?
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Below the limit of detection: under 0.05% w/w on the original sample. Measured by ion chromatography to UNE-EN 10304-1 at an ENAC-accredited laboratory. The value relates to the batch analysed and is a provisional result, single batch and single sample.
What must not be tank-mixed with CALCIUM 40?
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It must not share a tank with PHOSMAX 20, PHOSMAX 20 Suspensión Líquida, TERRA HUMID LIQUID, PK-FLOW 20, IRONPLUS, MICRO PLUS 1-0-0. That is 6 of the 16 combinations evaluated for this product, each with its chemical mechanism and what you will see in the tank. Verdicts are derived from composition and pH, not from a compatibility trial: run the jar test with your own field water before loading.
Is there a published field trial with CALCIUM 40?
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Yes. Cantaloupe melon: +18% firmness and +155% fruit calcium with CALCIUM 40% PLUS — Holden Research, Arizona 2008-2010. Trials are published with their methodology and source, and where a difference between treatment and control does not reach statistical significance we say so explicitly.
Recommended dose
Foliar: 2–3 L/ha or 200–300 cc/100 L · Fertigation: 5–6 L/ha
Formats
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