EC FERTILIZER • POWDERY • TYPE A.2.2a
SIMPLE SUPERPHOSPHATE P (Ca, S) 17-(24-30)
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Granulation and bulk density
Properties
17% | phosphorus pentoxide (P₂O₅) soluble in neutral solution of ammonium citrate, incl. min. 93.0% soluble in water |
24% | calcium oxide (CaO) soluble in water |
30% | complete sulphur trioxide (SO₃) |
Usage
Granulated Superphosphate is a typical pre-seeding fertilizer. It is necessary to mix it with the soil up to the depth of 10-15 cm. The fertilizer stays on top of the sod only in case of grassland and is gradually transported deep inside by precipitation waters.
Dosage [kg/ha]
FERTILIZED PLANTS | YIELD, t/ha | AVAILABLE PHOSPHORUS AND POTASSIUM LEVEL IN SOIL | ||
low | medium | high | ||
winter crops | 5,0 | 380 | 250 | 170 |
spring crops | 4,0 | 320 | 220 | 150 |
rapeseed | 3,0 | 400 | 280 | 200 |
maize for seed | 7,0 | 600 | 450 | 300 |
sugar beet (on manure) | 40,0 | 400 | 200 | 100 |
potatoes (on manure) | 25,0 | 400 | 200 | 100 |
leguminous for seed | 2,5 | 320 | 200 | 120 |
mow grassland | 6,0 | 500 | 350 | 240 |
maize for green feeder | 50,0 | 550 | 380 | 250 |
papilionaceous plant with grass – green feeder |
50,0 | 550 | 420 | 250 |
grass in field cultivation – green feeder |
45,0 | 550 | 420 | 250 |
Date of last update: 31 May 2019