Potassium Sulphate K-Leaf 20kg
Potassium Sulphate K-LEAF is a fertiliser used for foliar feeding in field and vegetable crops, supplying potassium and sulphur. Chemical composition: potassium oxide (K 2 O) 52%, sulphur trioxide (SO 3 ) 46%.
Description
Potassium sulphate K-LEAF fertiliser - a source of potassium and sulphur for foliar feeding in field and vegetable crops.
Chemical composition:
- potassium oxide (K2O) 52%;
- sulphur trioxide (SO3) 46%
Potassium sulphate dosage
|
Crop |
Application timing |
|
Potatoes |
Apply 15-25kg/ha per season in 3-5 treatments of 4-8 kg/ha each. The first treatment shortly after tuber initiation at a dose of 4-6 kg, minimum 100-150l of water. The second after 7-14 days at a dose of 5-6 kg, minimum 150l of water. The third and fourth after another 7-14 days at a dose of 6-8 kg, minimum 200l of water. Starch potatoes: an additional treatment about 7 weeks after tuber initiation at a dose of 7-8 kg, minimum 200l of water. |
|
Maize |
Twice: first at the 4-6 leaf stage. Dose 5-6 kg/ha in 100 l of working fluid. The second about 2 weeks later. Dose: similar or slightly higher – 6-8 kg/ha. |
|
Wheat, Barley
|
Twice: at tillering stage and at flag leaf stage. Dose 5-6 kg/ha |
|
Winter oilseed rape |
Apply 15-20kg/ha per season in 3 doses. Last autumn foliar treatment: 2-4 kg/ha in 100l of water. After spring regrowth at a dose of 5-6 kg/ha in 150l of water and at green bud stage at a dose of 8-12kg/ha in 250l of water |
|
Sugar beet |
Apply 20kg/ha per season in two treatments. At 4-6 leaf stage at a dose of 7-10 kg/ha in 150-200l of water. After about two weeks at a dose of 10-13kg/ha in 200-220l of water. |
|
Onion vegetables |
Two to three sprays (four for best crops), from bulb swelling stage. Dose: 4-6kg/ha every 7-14 days. Use of adjuvants is recommended. |
|
Field tomatoes |
During fruit setting, two sprays of 5-6kg/ha, followed by two to three sprays at the same dose. |
|
Sweet pepper |
Three to four times. Dose: 4 kg/ha up to 6-8kg/ha as the number of fruits increases |
Application and dosage
|
Crop |
How to apply? Dosage |
|---|---|
|
potatoes |
Apply 15-25kg/ha per season in 3-5 treatments of 4-8 kg/ha each. The first treatment shortly after tuber initiation at a dose of 4-6 kg, minimum 100-150l of water. The second after 7-14 days at a dose of 5-6 kg, minimum 150l of water. The third and fourth after another 7-14 days at a dose of 6-8 kg, minimum 200l of water. Starch potatoes: an additional treatment about 7 weeks after tuber initiation at a dose of 7-8 kg, minimum 200l of water. |
|
maize |
Twice: first at the 4-6 leaf stage. Dose 5-6 kg/ha in 100 l of working fluid. The second about 2 weeks later. Dose: similar or slightly higher – 6-8 kg/ha. |
|
wheat, barley |
Twice: at tillering stage and at flag leaf stage. Dose 5-6 kg/ha |
|
winter oilseed rape |
Apply 15-20kg/ha per season in 3 doses. Last autumn foliar treatment: 2-4 kg/ha in 100l of water. After spring regrowth at a dose of 5-6 kg/ha in 150l of water and at green bud stage at a dose of 8-12kg/ha in 250l of water |
|
sugar beet |
Apply 20kg/ha per season in two treatments. At 4-6 leaf stage at a dose of 7-10 kg/ha in 150-200l of water. After about two weeks at a dose of 10-13kg/ha in 200-220l of water. |
|
onion vegetables |
Two to three sprays (four for best crops), from bulb swelling stage. Dose: 4-6kg/ha every 7-14 days. Use of adjuvants is recommended. |
|
field tomatoes |
During fruit setting, two sprays of 5-6kg/ha, followed by two to three sprays at the same dose. |
|
sweet pepper |
Three to four times. Dose: 4 kg/ha up to 6-8kg/ha as the number of fruits increases |
