Grows up to 1 – 2 m tall with bright yellow flowers

Leaf blade deeply lobbed; variable, glabrous, rather thin basal leaves; 30 – 60 mm x 2 – 3.5 mm

Seeds brown, yellow; 300 000 – 400 000 seeds/kg

High biomass production

Excellent disease, weed and nematode suppression

Ideal for organic crop rotations and conventional systems

Unknown

Widely adapted to most soil types

Soil pH > 5.5 – 6.5

Plant during August – November and February – May

Seeding rate of 3 – 5 kg/ha

Grows upright to 0.5 – 0.8 m tall

Leaf blade deeply lobbed; variable, 7.6 – 18 cm long

Seeds 500 000 – 600 000 seeds/kg

Excellent disease, weed and nematode suppression

Improves soil fertility and structure

Plant roots contain highest levels of glucosinolates

Unknown

Widely adapted to most well-drained soil types

pH range of 5.5 - 7.5

Plant during September – October and March – May

Seeding rate of 3 – 5 kg/ha

Herbaceous, shrubby, branched, erect form, 1 – 4 m tall

Strong taproot; vigorous lateral roots

Leaf blades elliptic to oblong; short-stemmed, 4 – 13 cm x 5 – 30mm; upper surface pubescent

Heart-shaped seed; greyish olive, dark grey, dark brown to black; 4 – 6 mm; 17 000 – 35 000 seeds/kg

• Poor host to nematodes , ideal cover crop
• Very effective nitrogen fixation

Crude protein: 12.5 – 15 % in green material

Digestibility: 65 - 75 %

Prefers well-drained sandy loam to clay soils and tolerates poor sandy soils

pH range of 5 – 8.5

Plant during October – January

Seeding rate of 15 kg/ha dryland, 25 kg/ha irrigated