Cover crop mixture calculator

Sowing parameters

Field name — optional

Area (ha) — optional

To show the total quantity per species.

Apply a +30 % seed rate increaseTick if at least one condition applies: stony soil, sowing in dry conditions or aiming to outcompete weeds.

Enter species proportions manuallyOtherwise, the selected species share the mixture equally. The sum of shares cannot exceed 100 %.

Adjust the TSW manuallyShows the TSW (thousand seed weight, in g) of each selected species and lets you edit it to refine the seeds/m² calculation.

Mixture composition

Tick the species to include. The selected species share the mixture equally (sum = 100 %).

Niger seed

Guizotia abyssinica

Pure seed rate: 8 kg/ha · TSW 3.2 g

Sunflower

Helianthus annuus

Pure seed rate: 15 kg/ha · TSW 40 g

Pearl millet

Pure seed rate: 15 kg/ha · TSW 7 g

Foxtail millet

Setaria italica

Pure seed rate: 15 kg/ha · TSW 5 g

Forage sorghum

Pure seed rate: 25 kg/ha · TSW 23 g

Phacelia

Phacelia tanacetifolia

Pure seed rate: 8 kg/ha · TSW 2 g

Linseed

Linum usitatissimum

Pure seed rate: 50 kg/ha · TSW 5.4 g

Buckwheat

Fagopyrum esculentum

Pure seed rate: 40 kg/ha · TSW 21.5 g

Mixture results

Rates calculated without increase. Seeds/m² derived from the TSW. Seed rates are indicative and must be adapted to local agronomic conditions.

No results yet. Add at least one species to your mixture.