Phosphorus deficiency | Oilseed rape

Colza - Discolouration

Dark green, older leaves show a reddish/purple discoloration.

Phosphorus deficiency

Colza - Discolouration

The older leaves show a distinct reddish/purple discoloration along the marginal area. The entire leaf blade shos a faint reddish tint.

Phosphorus deficiency

Colza - Discolouration

Older leaves show a distinct reddish/purple discoloration along the marginal area. The entire leaf blade including the veins shows a reddish tint.

Phosphorus deficiency

Colza - Discolouration

Older leaves show a distinct reddish/purple discoloration along the marginal area. The entire leaf blades including the veins show a reddish tint, as well as the leaf stalks.

Phosphorus deficiency

Acidic or very alkaline (calcareaus) soils
Low organic matter
Cold or wet conditions
Crops with a poorly developed root system
Soils with low P reserves
Soils with a high phosphate capacity
Iron rich soils

Improved crop establishment
Improved winter hardiness
Improved yield

YaraVita MAGPHOS K

Oilseed Rape: For a single application, 5 l/ha at onset of stem extension. For moderate deficiency, 5 l/ha at 4 to 6 leaf stage and at onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Water rate: 200 l/ha

YaraVita CROP BOOST

Oilseed rape: For a single application, 5 l/ha at the onset of stem extension. For moderate deficiency, 5 l/ha at 4 to 6 leaf stage and at the onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Water rate: 200 l/ha.

YaraVita CROPLIFT PRO

Oilseed Rape: 2.5 to 5 kg/ha. Repeat at 10 to 14 day intervals as necessary. Avoid applications during flowering. Water rate: 200 l/ha.

YaraVita SENIPHOS

Oilseed rape: 10 l/ha at the onset of stem extension. If appropriate, consider a second application 10 to 14 days later. Water rate: 30 to 200 l/ha.