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.
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 oilseed rape Application times (◆ optimal; ◇ optional): |
|
|
Autumn: |
0.5–3 kg/ha |
|
Spring: |
0.5–3 kg/ha |
| ◆ bud formation – until beginning of flowering | 0.5–3 kg/ha |
| ◇ from the beginning of petal fall – until the beginning of pods development | 0.5–3 kg/ha |
| OILSEED RAPE - spring oilseed rape Application times (◆ optimal; ◇ optional): |
|
| ◆ leaf development – until beginning of main stem elongation | 0.5–3 kg/ha |
|
◆ bud formation – until beginning of flowering |
0.5–3 kg/ha |
| ◇ from the beginning of petal fall – until the beginning of pods development | 0.5–3 kg/ha |
| MAIZE Application times (◆ optimal; ◇ optional): |
|
| ◆ 2–6 leaves unfolded (4 leaves is the optimum stage for treatment) | 0.5–2 kg/ha |
| ◆ 7–8 leaves unfolded | 0.5–2 kg/ha |
| ◇ stem elongation – until beginning of tassel formation | 0.5–2 kg/ha |
| SUGAR BEET Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of leaf development | 0.5–2 kg/ha |
| ◆ beginning of crop cover | 0.5–2 kg/ha |
| ◆ beginning of storage root development | 0.5–2 kg/ha |
| POTATO harvested when fully ripe Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots and leaves (plant height about 10 cm) | 0.5–2 kg/ha |
| ◇ growth of shoots and leaves (plant height ˃15 cm) | 0.5–2 kg/ha |
| ◆ beginning of tuber growth | 0.5–2 kg/ha |
| ◇ tubers reach ca. 50% of the final mass | 0.5–2 kg/ha |
| RICE Application times (◆ optimal; ◇ optional): |
|
|
◆ leaf development – tillering |
0.5–2 kg/ha |
|
◆ beginning of stem formation |
0.5–2 kg/ha |
| ◇ beginning of panicle emergence | 0.5–2 kg/ha |
| SUNFLOWER Application times (◆ optimal; ◇ optional): |
|
| ◆ 2–3 pairs of leaves (BBCH 14–16) | 0.5–3 kg/ha |
| ◆ stem elongation (BBCH 30–35) | 0.5–3 kg/ha |
| ◇ inflorescence development (BBCH 51–55) | 0.5–3 kg/ha |
| SOYBEAN Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| PEA – COMMON PEA (GARDEN PEA) Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| BEAN – COMMON BEAN, RUNNER BEAN Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| BEAN – BROAD BEAN (FAVA BEAN) Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| BEAN – FIELD BEAN (HORSE BEAN) Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| LENTIL Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
|
CHICKPEA (GARBANZO) |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| PEANUT (GROUNDNUT) Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| LUPINE Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of growth of shoots | 0.5–2 kg/ha |
| ◆ beginning of flower bud development | 0.5–2 kg/ha |
| COTTON Application times (◆ optimal; ◇ optional): |
|
| ◆ beginning of leaf development | 0.5–1 kg/ha |
| ◆ beginning of side shoots formation | 0.5–1 kg/ha |
| ◇ beginning of flower bud development | 0.5–1 kg/ha |
| APPLE – orchards without fertigation – young, non-fruiting orchard Application times (◆ optimal; ◇ optional): |
|
| ◇ Spring: leaf development | 0.5–2 kg/ha |
| ◇ Spring/summer: growth of main stem and side shoots | 0.5–2 kg/ha |
| APPLE – orchards without fertigation – fruiting orchard Application times (◆ optimal; ◇ optional): |
|
| ◇ pink bud stage | 0.5–2 kg/ha |
| ◇ beginning of fruit development | 0.5–2 kg/ha |
| ◇ before beginning of leaf colour turning | 0.5–2 kg/ha |
| APPLE – nursery plantations – budded nursery tree plantation Application times (◆ optimal; ◇ optional): |
|
| ◇ 1st year – summer (about 3–4 weeks after budding): end of shoot and leaf growth | 0.5–2 kg/ha |
| ◇ 2nd year – spring/summer: growth of main stem and side shoots | 0.5–2 kg/ha |
| APPLE – nursery plantations – grafted nursery tree plantation Application times (◆ optimal; ◇ optional): |
|
| ◇ 1st year – summer: growth of main stem and leaf development | 0.5–2 kg/ha |
| ◇ 2nd year – spring/summer: growth of main stem and side shoot | 0.5–2 kg/ha |
| CHERRY (SWEET CHERRY TREE) – orchards without fertigation – fruiting orchard Application times (◆ optimal; ◇ optional): |
|
|
◇ inflorescence emergence |
0.5–2 kg/ha |
| ◇ fruitlet development | 0.5–2 kg/ha |
| ◇ after harvest | 0.5–2 kg/ha |
| CHERRY (SOUR CHERRY TREE) – orchards without fertigation – fruiting orchard Application times (◆ optimal; ◇ optional): |
|
| ◇ inflorescence emergence | 0.5–2 kg/ha |
| ◇ fruitlet development | 0.5–2 kg/ha |
| ◇ after harvest | 0.5–2 kg/ha |
| CITRUS Application times (◆ optimal; ◇ optional): |
|
| ◆ growth of shoots | 0.5–2 kg/ha |
| ◆ “white bud” phase | 0.5–2 kg/ha |
| ◆ intensive fruit growth | 0.5–2 kg/ha |
| OLIVE GROVES – fruiting tree Application times (◆ optimal; ◇ optional): |
|
| ◆ new shoot development | 0.5–2 kg/ha |
| ◆ inflorescence emergence | 0.5–2 kg/ha |
| ◇ fruit flesh development (beginning of oil production) | 0.5–2 kg/ha |
|
RASPBERRY – plantations without fertigation – varieties fruiting in summer on two-year shoots |
|
| ◆ leaf and shoot development | 0.5–2 kg/ha |
| ◇ beginning of inflorescence emergence | 0.5–2 kg/ha |
| ◆ immediately after harvest | 0.5–2 kg/ha |
| RASPBERRY – plantations without fertigation – varieties fruiting in autumn on one-year shoots Application times (◆ optimal; ◇ optional): |
|
| ◆ shoots reach about 1/3 of the final length | 0.5–2 kg/ha |
| ◇ beginning of the first inflorescence development | 0.5–2 kg/ha |
| ◇ beginning of the first fruit development | 0.5–2 kg/ha |
| STRAWBERRY – cultivation without fertigation – Summer-bearing varieties, fully fruiting plantations Application times (◆ optimal; ◇ optional): |
|
| ◆ after fruit harvest | 0.5–2 kg/ha |
| GRAPEVINE Application times (◆ optimal; ◇ optional): |
|
| ◇ beginning of leaf and new shoot development | 0.5–2 kg/ha |
| ◇ inflorescence emergence | 0.5–2 kg/ha |
| ◇ fruit development – until berries pea-sized | 0.5–2 kg/ha |
| BROCCOLI Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◇ beginning of the flower head development | 0.5–1 kg/ha |
| CAULIFLOWER Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◇ beginning of the flower head development | 0.5–1 kg/ha |
|
CABBAGE – GREEN/WHITE HEAD CABBAGE |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◆ beginning of the head formation | 0.5–1 kg/ha |
| ◇ head reaches approx. 50% of the typical size | 0.5–1 kg/ha |
| CABBAGE – RED HEAD CABBAGE Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◆ beginning of the head formation | 0.5–1 kg/ha |
| ◇ head reaches approx. 50% of the typical size | 0.5–1 kg/ha |
| CABBAGE – SAVOY CABBAGE Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◆ beginning of the head formation | 0.5–1 kg/ha |
| ◇ head reaches approx. 50% of the typical size | 0.5–1 kg/ha |
| CABBAGE – CHINESE CABBAGE Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of leaves | 0.5–1 kg/ha |
| ◇ beginning of the head formation | 0.5–1 kg/ha |
| BRUSSELS SPROUTS Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of the main stem and leaves | 0.5–1 kg/ha |
| ◆ beginning of axillary bud (‘sprouts’) formation | 0.5–1 kg/ha |
|
KOHLRABI |
|
| ◇ growth of leaves | 0.5–1 kg/ha |
| ◇ beginning of the root thickening formation | 0.5–1 kg/ha |
| RADISH Application times (◆ optimal; ◇ optional): |
|
| ◇ growth of leaves | 0.5–1 kg/ha |
| ◇ beginning of the root thickening formation | 0.5–1 kg/ha |
| KALE Application times (◆ optimal; ◇ optional): |
|
| ◆ after seedling adaptation to field conditions – leaf development | 0.5–1 kg/ha |
| ◆ growth of the main stem and leaves | 0.5–1 kg/ha |
| ◇ approx. 50% of the leaf mass formed | 0.5–1 kg/ha |
| CARROT Application times (◆ optimal; ◇ optional): |
|
| ◇ 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 Application times (◆ optimal; ◇ optional): |
|
| ◇ 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 Application times (◆ optimal; ◇ optional): |
|
| ◇ 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 Application times (◆ optimal; ◇ optional): |
|
| ◇ 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 Application times (◆ optimal; ◇ optional): |
|
| ◇ 3–4 true leaves (BBCH 13–14) | 0.5–1 kg/ha |
| ◇ root begins to expand (BBCH 41–43) | 0.5–1 kg/ha |
| ONION Application times (◆ optimal; ◇ optional): |
|
| ◇ 3rd–5th leaf clearly visible | 0.5–1 kg/ha |
| ◇ growth of leaves (3–4 weeks after emergence / after planting seedlings to the soil) | 0.5–1 kg/ha |
| ◇ beginning of onion bulb formation | 0.5–1 kg/ha |
| GARLIK Application times (◆ optimal; ◇ optional): |
|
| ◇ 3rd–5th leaf clearly visible | 0.5–1 kg/ha |
| ◇ growth of leaves (3–4 weeks after emergence) | 0.5–1 kg/ha |
| ◇ beginning of garlic bulb formation | 0.5–1 kg/ha |
| LEEK Application times (◆ optimal; ◇ optional): |
|
| ◇ 3rd–5th leaf clearly visible | 0.5–1 kg/ha |
| ◇ growth of leaves (3–4 weeks after emergence / after planting seedlings to the soil) | 0.5–1 kg/ha |
| ◇ beginning of harvestable plant part formation | 0.5–1 kg/ha |
