Crystalline, water-soluble foliar fertiliser with high concentration of boron and sulphur, with magnesium and microelements.
FOLIAR SPRAYS
PLONVIT BOROSULF is intended for foliar application in the form of an aqueous solution. PLONVIT BOROSULF can be used together with other agrochemicals after conducting a miscibility test. Test results are presented in the table INTERMAG agrochemicals mixing table.
Detailed recommendations for foliar application are presented in the table below. You can also use the search engine and quickly find the dose rate and time of foliar application for your crop. Select your crop
Recommendations for foliar application for selected crops.
The recommendations may be modified taking into account the plants' requirements and growing conditions.
| OILSEED RAPE winter crops | |
|
Number of foliar treatments: 3–4. Optimum amount of working solution: 200–300 l/ha. |
|
|
Autumn: |
0.5–3 kg/ha |
|
Spring: |
0.5–3 kg/ha |
| ◆ inflorescence emergence – until beginning of flowering (BBCH 50–61) | 0.5–3 kg/ha |
| ◇ full flowering (beginning of petals fall) – until beginning of pods development (BBCH 65–73) | 0.5–3 kg/ha |
| CANOLA | |
| Number of foliar treatments: 2-3. Optimum amount of working solution: 200–300 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ leaf development – until beginning of main stem development (BBCH 14–31) | 0.5–3 kg/ha |
|
◆ inflorescence emergence – until beginning of flowering (BBCH 50–61) |
0.5–3 kg/ha |
| ◇ full flowering (beginning of petals fall) – until beginning of pods development (BBCH 65–73) | 0.5–3 kg/ha |
| MAIZE | |
|
Number of foliar treatments: 2-3. Optimum amount of working solution: 200–300 l/ha. |
|
| ◆ 2–6 leaves unfolded (BBCH 12–16), 4 leaves is the optimum stage for treatment | 0.5–1 kg/ha |
| ◆ 7–8 leaves unfolded (BBCH 17–18) | 0.5–1 kg/ha |
| ◇ stem elongation – until beginning of tassel formation (BBCH 31–51), until the height of the plants allows spray treatment | 0.5–1 kg/ha |
| SUGAR BEET | |
|
Number of foliar treatments: 3. Optimum amount of working solution: 200–300 l/ha. |
|
| ◆ 4–6 leaves unfolded (BBCH 14–16) | 0.5–3 kg/ha |
| ◆ 8 leaves unfolded – until beginning of crop cover (BBCH 18–31) | 0.5–3 kg/ha |
| ◆ leaves cover 20–50% of the ground (BBCH 32–35) | 0.5–3 kg/ha |
| POTATO | |
|
Number of foliar treatments: 2–4. Optimum amount of working solution: 200–300 l/ha. |
|
| ◇ 3–6 leaves unfolded on the main shoot (BBCH 13–16) | 0.5–1 kg/ha |
| ◆ beginning of crop cover until 80% of plants meet between the rows (BBCH 31–38) | 0.5–1 kg/ha |
| ◆ tubers reach 20–30% of typical weight (BBCH 42–43) | 0.5–1 kg/ha |
| ◇ tubers reach 60–70% of typical weight (BBCH 46–47) | 0.5–1 kg/ha |
| SUNFLOWER | |
|
Number of foliar treatments: 2–3. Optimum amount of working solution: 500–1,000 l/ha. |
|
| ◆ 2–3 pairs of leaves (BBCH 14–16) | 0.5–1 kg/ha |
| ◆ stem elongation (BBCH 30–35) | 0.5–1 kg/ha |
| ◇ inflorescence development (BBCH 51–55) | 0.5–1 kg/ha |
| SOYBEAN | |
|
Number of foliar treatments: 1–2. Optimum amount of working solution: 500–1,000 l/ha. |
|
| ◇ trifoliolate leaf on the 2nd–5th node unfolded (BBCH 12–15) | 0.5–1 kg/ha |
| ◆ beginning of inflorescence emergence – first flower buds enlarged (BBCH 51–55) | 0.5–1 kg/ha |
| COTTON | |
| Number of foliar treatments: 2–3. Optimum amount of working solution: 200–300 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| 4th–6th true leaf unfolded (BBCH 14–16) | 0.5–1 kg/ha |
| formation of side shoots – until 50% of plants meet between rows (BBCH 21–35) | 0.5–1 kg/ha |
| inflorescence emergence – until beginning of flowering (BBCH 51–61) | 0.5–1 kg/ha |
| FRUIT TREES | |
|
Number of foliar treatments: up to 3. Optimum amount of working solution: 400–600 l/ha. |
|
| ◇ intensive leaf and shoot growth, 2 treatments every 10–14 days (BBCH 11–39) | 0.5–2 kg/ha |
| ◇ after fruit harvesting (BBCH 91) | 0.5–2 kg/ha |
| FRUIT BUSHES | |
| Number of foliar treatments: up to 3. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◇ intensive leaf and shoot growth, 2 treatments every 10–14 days (BBCH 11–39) | 0.5–2 kg/ha |
| ◇ after fruit harvesting (BBCH 91) | 0.5–2 kg/ha |
| STRAWBERRY | |
| Number of foliar treatments: 1. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ after fruit harvest | 0.5–2 kg/ha |
| BROCCOLI | |
| Number of foliar treatments: 2–3. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7 leaves until 2 side shoots visible (BBCH 17–22) | 0.5–1 kg/ha |
| ◇ 3–8 side shoots visible (BBCH 23–28) | 0.5–1 kg/ha |
| CAULIFLOWER | |
|
Number of foliar treatments: 2–3. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7–8 true leaves unfolded (BBCH 17–18) | 0.5–1 kg/ha |
| ◇ 9 and more true leaves unfolded (BBCH 19) | 0.5–1 kg/ha |
| WHITE HEAD CABBAGE | |
|
Number of foliar treatments: 3. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7–9 true leaves unfolded (BBCH 17–19) | 0.5–1 kg/ha |
| ◆ head begins to grow (BBCH 41) | 0.5–1 kg/ha |
| RED HEAD CABBAGE | |
| Number of foliar treatments: 3. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7–9 true leaves unfolded (BBCH 17–19) | 0.5–1 kg/ha |
| ◆ head begins to grow (BBCH 41) | 0.5–1 kg/ha |
| SAVOY CABAGE | |
| Number of foliar treatments: 3. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7–9 true leaves unfolded (BBCH 17–19) | 0.5–1 kg/ha |
| ◆ head begins to grow (BBCH 41) | 0.5–1 kg/ha |
| CHINESE CABBAGE | |
| Number of foliar treatments: 3. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ 5–6 true leaves unfolded (BBCH 15–16) | 0.5–1 kg/ha |
| ◆ 7–9 true leaves unfolded (BBCH 17–19) | 0.5–1 kg/ha |
| ◇ head begins to grow (BBCH 41) | 0.5–1 kg/ha |
| BRUSSELS SPROUTS | |
|
Number of foliar treatments: 2–3. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–7 true leaves unfolded (BBCH 15–17) | 0.5–1 kg/ha |
| ◆ main shoot reaches 30–70% of typical size (BBCH 33–37) | 0.5–1 kg/ha |
| ◇ development of lateral buds until first sprouts close tightly (BBCH 41–43) | 0.5–1 kg/ha |
| KOHLRABI | |
|
Number of foliar treatments: 2. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–9 or more leaves (BBCH 15–19) | 0.5–1 kg/ha |
| ◆ head begins to expand (BBCH 41) | 0.5–1 kg/ha |
| RADISH | |
|
Number of foliar treatments: 2. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–9 or more leaves (BBCH 15–19) | 0.5–1 kg/ha |
| ◆ head begins to expand (BBCH 41) | 0.5–1 kg/ha |
| KALE | |
|
Number of foliar treatments: 2-3. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 5–7 true leaves unfolded (BBCH 15–17) | 0.5–1 kg/ha |
| ◆ main shoot has reached 30–50% of final height (BBCH 33–35) | 0.5–1 kg/ha |
| ◇ 30–50% of typical leaf mass reached (BBCH 43–45) | 0.5–1 kg/ha |
| CARROT | |
|
Number of foliar treatments: up to 2. Optimum amount of working solution: 400–600 l/ha. |
|
| ◇ 3–4 true leaves (BBCH 13–14) | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| PARSLEY | |
| Number of foliar treatments: up to 2. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◇ 3–4 true leaves (BBCH 13–14) | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| PARSNIP | |
| Number of foliar treatments: up to 2. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◇ 3–4 true leaves (BBCH 13–14) | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| CELERY | |
| Number of foliar treatments: up to 2. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◇ 5–6 true leaves (BBCH 15–16), approx.. 7 days after planting seedlings | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| BEETROOT | |
| Number of foliar treatments: up to 2. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◇ 3–4 true leaves (BBCH 13–14) | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| BULB VEGETABLES | |
| Number of foliar treatments: 2. Optimum amount of working solution: 400–600 l/ha. Proposed periods of use (◆ optimum periods; ◇ optional/complementary periods): |
|
| ◆ 3–5 leaves clearly visible (BBCH 13–15) | 0.5–1 kg/ha |
| ◆ harvestable plant parts begin to develop (BBCH 41) | 0.5–1 kg/ha |
| PEA | |
|
Number of foliar treatments: 1–2. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ 8 true leaves until 5 visible internodes on the stem (BBCH 18–35) |
0.5–1 kg/ha |
| ◇ first flower buds visible outside leaves until first separated flower buds visible outside leaves, but remain closed (BBCH 51–55) | 0.5–1 kg/ha |
| BEAN | |
|
Number of foliar treatments:1–2. Optimum amount of working solution: 400–600 l/ha. |
|
| ◆ formation of side shoots (BBCH 21–29) |
0.5–1 kg/ha |
| ◇ first flower buds visible until first flower buds have enlarged (BBCH 51–55) | 0.5–1 kg/ha |
