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Promi-Calcium Extra + Boron

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EC FERTILISER - Calcium chloride solution with boron (B) and zinc (Zn)

Declared content (%w/w):

17% Water-soluble Calcium Oxide (CaO)
1% Water-soluble Boron (B) 
0,4% Water-soluble Zinc (Zn)


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Fertiliser totally soluble in water, rich in calcium and with contribution of boron and zinc, recommended for the prevention and correction of deficiencies in any type of crop. In crops that are particularly sensitive to chlorine, use qualified technical advice (greenhouse, citrus, strawberry). It is especially indicated to promote the correct development of fruits, to prevent the bitter pit in apple, the cracked, and in addition to improve its organoleptic qualities and its postharvest conservation.

Appearance = Whitish liquid
Density = 1.3 g/ml
pH = 2.5

Make a first application after falling petals. The number of total applications can range from 3 to 7, depending on the degree of deficiency obtained from foliar and soil analyzes. The doses to be used per application are the following:

  Foliar Fertigation
   Apple tree 300-500 ml/hl 4-6,5 l/ha
   Cherry and nectarine trees 250-400 ml/hl 3-4 l/ha
   Horticultural 200-300 ml/hl 2,5-3,5 l/ha
   Extensive 1,5 l/ha ---

Note: These recommendations are general and indicative, and must be adapted by a qualified technician based on agronomic and edaphoclimatic factors.

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