油菜 - Paling
症状
Pale grey-green discoloration of the foliage
原因
Molybdenum deficiency
Oilseed rape is rather sensitive to molybdenum deficiency.
油菜 - Deformation
症状
Lamina of leaves is restricted; in severe cases till to the midrib ("whiptail"). Perforations in the intercostal areas occur.
原因
Molybdenum deficiency
Oilseed rape is rather sensitive to molybdenum deficiency.
Molybdenum deficiency vs. healthy plant使变得更糟
- Acid soils
- Low pH
- Low levels of soil organic matter
钼很重要
- Better crop establishment and reduced plant losses over winter
- Increases nutrient levels in the crop for better spring regrowth
- Improved flowering and more even maturity
- Boosts grain yield and oil content of seed
对于钼雅苒推荐的产品是
YaraVita MOLYTRAC 250
Oilseed Rape: For a single application, 0.25 l/ha at onset of stem extension. For moderate deficiency, 0.25 l/ha at 4 to 6 leaf stage and 0.25 l/ha at onset of stem extension. An extra application can be made 10 to 14 days later for a severe deficiency. Avoid flowering. Water rate: 200 l/ha.
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