Comparación de Sustratos

Fibra de Coco vs Turba

Comparación lado a lado de la estabilidad de EC, drenaje, vida útil de la temporada, sostenibilidad y costo. Escrito para compradores profesionales que necesitan justificar el cambio.

Inicio→Fibra de Coco vs Turba

Característica

Fibra de Coco (CVM)

Turba

Ganador

Native EC

Peat's native EC is lower, but high variability between batches makes coir's guaranteed < 0.5 mS/cm more reliable in practice.

< 0.5 mS/cm (buffered)

< 0.1 mS/cm (but variable)

Empate

pH baseline

Peat requires liming to reach horticultural pH 5.5–6.5, adding a processing step and introducing variability. Coir is naturally in the optimal range.

5.5 – 6.5

3.5 – 4.5 (must be limed)

Fibra de Coco ✓

EC stability across season

Peat releases organic EC as it breaks down under irrigation. From month 4–6, in-slab EC drift disrupts feed programmes. Coir's matrix is chemically inert.

Stable — inert organic matrix

Drifts up as peat decomposes

Fibra de Coco ✓

Drainage response

Peat compacts progressively under drip irrigation. Air-filled porosity (AFP) drops from ~30% to under 18% by mid-season. Coir maintains AFP within ±3% for the full season.

Consistent batch-to-batch

Degrades — AFP drops 40% by month 6

Fibra de Coco ✓

Water holding capacity

Peat holds slightly more water — useful in low-irrigation systems. For high-frequency drip, coir's slightly lower WHC combined with better drainage gives more irrigation control.

60 – 70% WHC

65 – 75% WHC

Turba ✓

Buffering capacity

Coir's cation exchange capacity (CEC) retains nutrients between irrigation shots, reducing leaching. Peat's low CEC means nutrients pass through faster.

High — natural CEC from lignin

Low — poor nutrient retention

Fibra de Coco ✓

Season lifespan

Coir bags that pass a post-season EC flush (< 2.0 mS/cm leachate) reliably run a second full season. Peat compaction makes reuse impractical.

2 full seasons (with flush)

1 season maximum

Fibra de Coco ✓

Substrate cost per season

At equal purchase price, coir's 2-season lifespan halves the substrate cost per crop cycle. Most professional growers see 30–50% total substrate cost reduction.

Lower (2-season reuse)

Higher (annual replacement)

Fibra de Coco ✓

Renewable resource

Peatlands accumulate at 1mm per year. Commercial extraction removes 200–400mm of accumulated peat. Coir is a byproduct of coconut processing — nothing is extracted from natural ecosystems.

Yes — coconut husk byproduct

No — 1mm/year accumulation

Fibra de Coco ✓

Carbon footprint

Drained peatlands are the second-largest anthropogenic source of CO₂ globally. Coir uses an existing byproduct stream with no land conversion.

Low (byproduct processing)

High (peatland drainage + extraction)

Fibra de Coco ✓

RHP certification eligibility

Both substrate types can meet RHP requirements. CVM coir parameters are RHP-compatible; RHP-certified peat substrates exist but are increasingly restricted by retailer sustainability policies.

Compatible — meets RHP parameters

RHP certified substrates available

Empate

Retailer sustainability compliance

Tesco, M&S, Lidl, Aldi and most major European and US retailers have active peat-phase-out policies. Coir passes all current retailer sustainability audit requirements.

Peat-free — passes all audits

Increasingly restricted by retailers

Fibra de Coco ✓

By Crop

What to use for each crop type.

Tomatoes & Peppers

→ Coir

EC stability, 2-season reuse, drainage control — decisive advantages for long-season solanaceae.

Strawberries

→ Coir

AFP maintenance over the full season and peat-free retailer audit compliance.

Cannabis

→ Coir

Neutral EC baseline, OMRI compatibility, and grower control from day one.

Propagation / seedlings

→ Peat or coir

Fine-texture peat mixes still dominate propagation trays. Coir briquettes gaining rapidly for pH stability.

Orchids & epiphytes

→ Husk chips

Neither standard coir nor peat — husk chips' 70–80% AFP is the right medium for epiphytic roots.

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2×

season lifespan vs peat

< 0.5

mS/cm EC guaranteed at delivery

±3%

AFP variance across season (coir)

40%

AFP drop in peat by month 6

Contactar al Equipo

What to use for each crop type.

Tomatoes & Peppers

→ Coir

EC stability, 2-season reuse, drainage control — decisive advantages for long-season solanaceae.

Strawberries

→ Coir

AFP maintenance over the full season and peat-free retailer audit compliance.

Cannabis

→ Coir

Neutral EC baseline, OMRI compatibility, and grower control from day one.

Propagation / seedlings

→ Peat or coir

Fine-texture peat mixes still dominate propagation trays. Coir briquettes gaining rapidly for pH stability.

Orchids & epiphytes

→ Husk chips

Neither standard coir nor peat — husk chips' 70–80% AFP is the right medium for epiphytic roots.