BORON PLUS is a liquid boron deficiency corrector for foliar and soil application. It supplies 15.4% boron in a formulation complexed with organic agents and supported by OMA (Organic Matter Activator) technology.
Boron supports cell-wall structure, cell division, sugar transport, flowering, fruiting and plant hormone regulation. BORON PLUS is designed for preventive and corrective programmes across field, horticultural, fruit and specialty crops, with crop-specific recommendations linked to reproductive development, internal quality and boron-deficiency disorders.
Key product information at a glance.
| Composition | % w/v |
|---|---|
| Boron (B) | 15.40 |
BORON PLUS provides 15.4% boron complexed with organic agents. The source identifies OMA (Organic Matter Activator) technology as a means of increasing fertilizer effectiveness and boron assimilation, including under difficult weather conditions.
The product is positioned against standard boron fertilizers as a high-efficiency boron source, with the aim of supporting crop yield and quality while supplying boron during critical vegetative and reproductive stages.
Application Guidance: General use: 1-4 L/ha by foliar spray in 200-400 L water, or 5-8 L/ha by soil application. For knapsack spraying, use 0.5%. Follow the crop-specific programmes below where provided.
| Crops | Timing | Dose |
|---|---|---|
| All crops | According to crop need and boron status | 5-8 L/ha |
| Crops | Timing | Dose | Notes |
|---|---|---|---|
| All crops | According to crop need and boron status | 1-4 L/ha | Apply in 200-400 L water. Knapsack sprayer: 0.5%. |
| Asparagus, root vegetables and tuberous plants | As soon as enough leaves are developed | 3 L/ha | 1-2 applications. Aim: quality, including cracks, empty asparagus or tubers and inner scald, plus boron supply. |
| Cereals | Until the end of tillering, when deficiency is confirmed by leaf analysis | 0.5-1 L/ha | Aim: output and boron supply. |
| Crucifers, leafy vegetables and bulb vegetables | As soon as enough leaves are developed | 2-3 L/ha | 1-2 applications. Aim: internal quality and boron supply. |
| Fruit vegetables | Before blossom, once enough leaves are developed | 2 L/ha | 1-2 applications. Aim: flowering, fruit set and boron supply. |
| Hop | Until flowering | 0.1% | 3-5 applications. Aim: bud and shoot development and quality. |
| Maize | From the 4-leaf stage onwards | 3 L/ha | Aim: pollen quality, grain formation, grain yield, energy density and boron supply. |
| Oilseed rape — autumn | From the 4- to 6-leaf stage | 2-4 L/ha | Aim: cold resistance, regular flowering and maturation and yield. |
| Oilseed rape — spring | Until the beginning of blossom | 2-4 L/ha | Aim: regular blossom time and maturity, output and boron supply. |
| Pit fruit | From red bud until petal fall | 1 L/ha | 2-3 applications. Aim: pollen germination, flower quality, fruit set, calcium transport and skin quality. |
| Pit fruit, stone fruit, strawberries, berries and table grapes | After harvest | 1 L/ha | 2 applications. Aim: reserve-substance storage, regeneration, cold resistance and flower quality. |
| Potatoes | At meeting across the rows | 1 L/ha | 1-2 applications. Aim: internal quality and prevention of heart necrosis, with boron supply. |
| Stone fruit | At the beginning of blossom | 1 L/ha | Aim: flower quality and fruit set. |
| Sugar beet | Between the 6-leaf stage and meeting across the rows | 3 L/ha | 1-2 applications. Aim: against heart and dry rot, output, quality and boron supply. |
| Table grapes | From increasing flower-cluster size until the beginning of blossom | 1 L/ha | 2 applications. Aim: flower quality, fruit set and regular maturity. |
BORON PLUS is intended for boron deficiency and for crop-quality problems associated with inadequate boron nutrition. The source specifically mentions root heart disease or rot in sugar beet; bitter pit and cracking in apple and pear; small, wrinkled grapes; olive deformation and production loss; heart rot in celery and lettuce; curled leaves in cauliflower and broccoli; tip and stem drying; and necrotic, deformed potato tubers.
BORON PLUS is a liquid organic boron deficiency corrector for foliar and soil application.
It contains 15.4% boron (B) on a % w/v basis.
The source identifies OMA as Organic Matter Activator technology used with organic complexing agents to improve boron assimilation and fertilizer effectiveness.
It supports cell-wall structure, cell division, sugar transport, flowering, fruiting, hormone regulation and correction of boron deficiency.
Apply 1-4 L/ha in 200-400 L of water. For knapsack spraying, use a 0.5% concentration.
Yes. The general soil rate is 5-8 L/ha.
Yes. Cereals are treated at 0.5-1 L/ha until the end of tillering when deficiency is confirmed, while maize is treated at 3 L/ha from the 4-leaf stage onwards.
Yes. Apply 2-4 L/ha in autumn from the 4- to 6-leaf stage and 2-4 L/ha in spring until the beginning of blossom.
Yes. Crop-specific programmes for fruit vegetables, pit fruit, stone fruit and table grapes target flowering, pollen performance and fruit set.
The source lists disorders including bitter pit, cracking, heart rot, dry rot, curled leaves, tip drying and tuber necrosis or deformation.
BORON PLUS is available in 0.5 L, 1 L, 5 L, 20 L and 1000 L formats.

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