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Complesal® Essential Shield

Complesal® Shield is a foliar fertilizer with a high content in calcium and additionally contains boron. Its nutrient composition is especially adapted to fruit trees, vegetables and many other agricultural fruit crops. Due to the harmonized composition, Complesal® Shield significantly increases fruit set and quality of the crops and efficiently supplies nutrients during stress conditions.

Calcium-boron product for enhanced flowering and harvest quality 

Key Crops


Pome fruit



Nutrient ContentsAdvantagesRate of use
Nutrient contents % w/wg/l

All nutrients are fully water-soluble.

Product Properties:

  • Density: 1.26 g/cm³
  • pH value: 2.6
  • Color: blue
  • Set of Complesal® Essential Additives: Micro Focus, Folistick
  • Easy handling due to an excellent formulation technology
  • Perfect nutritional set for all kinds of crops (esp. fruits and vegetables)
  • Fast nutrient absorption
  • Applicable in many crops for multiple purposes
  • Maximum of nutrients available for the plant
  • Strengthening of the natural plant defense system
  • Durability against rain
  • Excellent formulation technology ensures simple product use
  • Joint application with pesticides
  • Quick distribution in the tank water
Type of CropApplication TimeApplication Rate
Apples3 - 4 x starting 3 - 5 weeks before harvest5-8 l/h
Mango3 - 4 x starting 2 - 3 weeks before first fruit maturation5 l/ha
Stone fruit:
Sweet cherries
3 - 5 x during splitting stress conditions
4 treatments starting at post blossom and 30, 60 and 90 days after blossom
5 l/ha
5 l/ha
Strawberries2 - 3 x joint application with botrytis treatments5 l/ha
Table grapesrepeatedly to improve resistance against berry splitting5 l/ha
Grapevine3 x in joint application with fungicide sprays between fruit set and veraison5 l/ha
Open field
Protected cultivation
according to variety‘s demand5 l/ha
Tomatoes / Peppers3 - 5 x starting after first flowering
repeat in 7 - 10 day intervals
5 l/ha
Lettucestart 2 - 3 weeks after planting
repeat in 7 - 10 day intervals (reduction of tip-burn incidence)
5 l/ha
(Cabbage, Cauliflower)
start early before head formation
repeat in 7 - 10 day intervals (reduction of internal browning)
5 l/ha
Kiwifruit3 x during fruit enlargement in order to increase calcium fruit content and improve storage quality5 l/ha
(water volume: 1.500 l/ha)

*5 - 8 l/ha in at approx. 500 l water/ha. Application at the beginning of August respectively 3 - 5 weeks before harvest in intervals of at least 8
days. The frequency of application depends on bitter pit sensibility and bitter pit risk (fruit load, fruit size, etc.). Last application shortly before
harvest. For early calcium applications we recommend the highly compatible suspension Complesal Care pro, which also decreases russetting.

Overview ProductsDATA SHEET (PDF SHIELD 2MB)

Additives for increased efficiency


External factors such as rain can cause wash off of the spay film. The new Folistick technology ensures a higher durability against external factors such as rain. Complesal® Folistick guarantees a lasting adhesive on the foliage to increase the uptake of nutrients and active ingredients of the added pesticides.