Application advice for potatoes

Potato cultivation
Growth stages

For conventional farming
Soil fertilising and seed treatment
Soil fertilising
300-350 kg AKRA Kombi
AKRA DGC depending on fractional soil analyses
Seed treatment for 1000 kg of seed
40 l water
1 l AKRA Saat Power
1 l AKRA Sulpur+
Foliar fertilising
Application time
1st spraying GS 25-28
2nd spraying GS 39-40 (300-400 l water / Adjust concentration of spray solution)
3rd spraying GS 50-52 (300-400 l water / Adjust concentration of spray solution)
4th spraying GS 65-70 (300-400 l water / Adjust concentration of spray solution)
Application rate per ha
250 l water
0.5 l AKRA Plus 9
2 l AKRA Blatt
Fungicide as needed (50-75% of recommended quantity)
1 l AKRA MSB
1 l AKRA Azotobacter (up to EC 40)
1 l AKRA Sulpur+
0.5 l AKRA WD
10 kg urea
Wetting agent
Additional information
- Spray a maximum of 80 kg N/ha The pH value of the spray solution should be adjusted to 5.5 with citric acid.
- The addition of AKRA foliar fertiliser can and may reduce the pH value of the spray solution.
- Mix in any other products individually once the pH value has been adjusted.
- Make sure that you add the additional products in the right order.
- Do not spray in direct sunlight.
- Apply 4 days before and after applying herbicide - do not use AKRA foliar fertilisers.
- The dosage of AKRA foliar fertiliser must be adjusted to the quantity of water used.
For organic farming
Soil fertilising and seed treatment
Soil fertilising
300-350 kg AKRA Kombi
AKRA DGC depending on fractional soil analyses
Seed treatment or 1000 kg of seed
40 l water
1 l AKRA Saat Power
1 l AKRA Sulpur+
Foliar fertilising
Application time
1st spraying GS 25-28
2nd spraying GS 39-40 (400 l water / Adjust concentration of spray solution)
3rd spraying GS 50-52 (400 l water / Adjust concentration of spray solution)
4th spraying GS 65-70 (400 l water / Adjust concentration of spray solution)
5th spraying if needed
Application rate per ha
300 l water
0.5 l AKRA Plus 9
2 l AKRA Blatt
1 l AKRA MSB
2 l AKRA Azotobacter (up to EC 40)
3 l AKRA Sulpur+
0.5 l AKRA WD
10 l AKRA organic liquid fertiliser
Additional information
- The pH value of the spray solution should be adjusted to 5.5 with citric acid.
- The further addition of other AKRA products can and may reduce the pH value of the spray solution.
- Mix in any other products individually once the pH value has been adjusted.
- Make sure that you add the additional products in the right order.
- Do not spray in direct sunlight.
- The dosage of AKRA foliar fertiliser must be adjusted to the quantity of water used.