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Kleine, zweiblättrige Pflanze mit Tropfen am Blatt
Farbiger Kreis, hellgrau
Swing

Silicon is poorly available at high pH values, cold and wet, and high phosphorus levels. Sand and moor bogs are poor in absorbable silicium.

Iron availability is low on calcareous soils, soils with a high copper content and in soils with high pH-value. Iron deficiency often appears in soils with bad  drainage (stagnant water).

Iron-deficiency is shown by yellowing of youngest leaves, pale leaves with darker mid rib or veins.

Zinc availability is low on humic soils, with high pH-value, in phosphorus rich soils and in cold wet conditions.

Zinc deficiency is shown by pale stripes, orange tinge, stunted plants and small leaves.

Recommendations

Potatoes

For what?N efficiency, vitality, skin quality
How often?2 – 5 times 0.5 – 1 l/ha
When?From 6-leaf stage

Citrus fruits

For what?Fruit quality, storage and transport stability
How often?2 – 4 times 0.5 – 1 l/ha
When?From white buds

Christmas trees

For what?Increasing stress tolerance
How often?1 – 3 times 0.5 – 1 l/ha
When?From budding

Stone fruit

For what?Fruit quality, storage and transport stability
How often?1 – 4 times 0.5 – 1 l/ha
When?From full bloom

Sugar beets

For what?Increasing stress tolerance
How often?1 – 3 times 0.5 l/ha
When?From 6-leaf stage