EC FERTILIZER • GRANULATED • TYPE B.1.1.
NPK (Mg, S) 3,5-7-25-(2,5-19,5)
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Granulation and bulk density
Properties
3,5% | ammonia nitrogen (N) |
7% | phosphorus pentoxide (P₂O₅) soluble in mineral acids, including at least 55% phosphorus pentoxide (P₂O₅) soluble in 2% solution of formic acid |
25% | potassium oxide (K₂O) in chloride and sulphate form, soluble in water |
2,5% | calcium oxide (CaO) soluble in water |
2,5% | complete magnesium oxide (MgO) |
19,5% | complete sulphur trioxide (SO₃) |
Usage
The best effectiveness is achieved when Lubofos® for Potatoes is applied before sowing and mixed with the soil to the depth of 10-15 cm during performance of pre-sowing cultivation treatments.
Dosage [kg/ha]
– yield 25 t/ha
ORGANIC FERTILIZATION | AVAILABLE PHOSPHORUS AND POTASSIUM LEVEL IN SOIL* | |||
low | medium | high | ||
with manure | 500 | 350 | 200 | |
without manure | 800 | 600 | 400 |
* If phosphorus and potassium levels in the soil allow its qualification to the same classes, the doses indicated above should be increased by 15-20%.
Date of last update: 8 July 2020