Nitrogen deficiency | Oilseed rape

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Oilseed Rape

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Oilseed Rape
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Nutrients

Oilseed Rape - Growth retardation

Symptoms
Nitrogen deficiency is characterized by reduced vigor, smaller leaves and pale green or yellowish leaf color. Growth is strongly restricted and the stand looks more loose than normal. Reduced flowering.

Reasons
Nitrogen deficiency

Nitrogen deficiency made worse by

Low or high pH soils
Sandy or light soils (leaching
) Low organic matter
Drought conditions
High rainfall (leaching) or heavy irrigation
Addition or high levels of non-decomposed organic matter/manure (eg straw)
Fast growing crops

Nitrogen is important for

Improved crop development
Increased yield

Yara recommended fertilizers for Nitrogen

YaraVita SAFE-N 300

Oilseed Rape: 10 to 20 l/ha at the 4 to 8 leaf stage. Also, 10 to 20 l/ha at the onset of stem extension. Repeat 10 to 14 days later if necessary. Water rate: 200 l/ha.

Other recommended products

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 THIOTRAC 300

Oilseed Rape: 5-10 l/ha at the onset of stem extension. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Do not apply during flowering. Water rate: 200 l/ha.