Field vegetables

Fertilisation and root development for carrots

Carrots shape their root early, and disruption in the first weeks produces forked or stunted roots that cannot be sold. Treating the soil before sowing is therefore the single most important step.

Dosage by stage

Before sowing

Soil treatment

Strength 3 %Mix: 13 L Allgrow + 400 L water/haWatering: 400 L water/haFrequency: Once

Treat the soil before sowing.

At planting

EstablishmentReduced 2026

Strength 3 %Mix: 13 L Allgrow + 400 L water/haWatering: 400 L water/haFrequency: Once

Previously stated as at least 5 %, which conflicted with the page's own main recommendation.

Growing period

Ongoing treatment

Strength 3,5–4,5 %Mix: 13 L Allgrow + 300–400 L water/haWatering: 300–400 L water/haFrequency: Every 7–10 days, or 5 applications

Through to harvest.

Effect

  • Straighter, more even roots
  • Higher marketable share
  • Stronger tops

What next?

To all crops