PLONVIT®BOROSULF

PLONVIT<sup>®</sup>BOROSULF
Crystalline, water-soluble foliar fertiliser with high concentration of boron and sulphur, with magnesium and microelements.
Available packaging
  •     15kg
Directions for use
Foliar sprays

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:
◆ 4–8 leaves unfolded 

0.5–3 kg/ha

Spring:
◆ 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
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)
Application times (◆ optimal; ◇ optional):

◆ 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
Application times (◆ optimal; ◇ optional):

◆ 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
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 – 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
Application times (◆ optimal; ◇ optional):

◇ 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