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| The Boron Solution For Mangoes |
| LIGNO - BORON |
| Boron deficiencies
occur on a wide variety of soils, however boron availability
reduces as pH and calcium levels increase. Mangoes are
very sensitive to boron deficiency especially when high
levels of nitrogen are applied or trees become moisture
stressed. Boron is essential for flowering and fruit set,
and deficiencies cause flower and fruit drop as well as
misshapen fruit. Boron is required for calcium uptake
and movement, and calcium deficiencies can be significantly
reduced by boron application. Boron plays a similar role
to calcium in cell wall stabilization, which makes it
essential for quality factors such as skin strength, fruit
firmness and storage life of mangoes. |
| THE ADVANTAGES OF
LIGNO-BORON |
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- high plant availability of boron
- rapid leaf & fruit uptake & plant utilization
- chelated boron is safe on flowers and will not mark fruit
- boron improves calcium uptake & movement
- better fruit firmness and storage life
- improves flowering, fruit set & yields
- superior leaf binding properties
- better fruit colour & quality
- compatible with fungicides & insecticides
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| APPLICATION |
| Click
here for Application of LIGNO-BORON |
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| The Calcium Solution For
Mangoes |
| LIG-CALCIUM + BORON |
| Calcium is the most
important nutrient for fruit quality and calcium deficiency
is a widespread problem in mango crops because most are
grown on heavily leached acid soils, low in exchangeable
calcium and high in available nitrogen. While moisture
stress is the major cause of calcium deficiency, high
available soil nitrogen or over-use of nitrogen fertilizers
that promote excessive plant vigour, also compound calcium
deficiencies. Low boron levels also induce calcium deficiency,
as boron is required for the maintenance of transpiration
(water uptake) and therefore also calcium uptake. Calcium
deficiencies also occur on soils with high levels of exchangeable
calcium and this is largely due to the low mobility of
soil calcium and competition with other nutrients such
as ammonium nitrogen, potassium and magnesium. For this
reason foliar sprays are needed to supplement soil calcium.. |
| THE ADVANTAGES OF
LIG-CALCIUM + BORON |
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- high plant availability of calcium & boron
- rapid leaf & fruit uptake & plant utilization
- chelated boron ensures no burning or marking
- inclusion of boron improves calcium uptake
- improved flowering and fruit set
- better fruit firmness and storage life
- superior binding properties & canopy penetration
- improves fruit quality
- contains no chloride
- compatible with fungicides & insecticides
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| APPLICATION |
| Click
here for Application of LIG-CALCIUM + BORON |
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| The Potassium Solution For
Mangoes |
| LIG-K + BORON |
| Potassium is an important
nutrient for fruit filling (size & weight) and quality.
Potassium is required for the production and transport
of plant sugars that increase the weight of fruit, while
also offsetting the detrimental effects of high plant
nitrogen levels on fruit quality. The highest demand for
potassium is just prior to harvest. Potassium also promotes
more even ripening and enhances skin colour. Because potassium
is very mobile within the plant, foliar application of
potassium is very effective, especially in the later stages
of growth. Soil uptake of potassium is inefficient and
therefore deficiencies often occur in soils high in potash
and especially if calcium, magnesium and nitrogen levels
are also high. Deficiency symptoms appear in the older
leaves that may be a light green colour and have necrosis
of the entire leaf margin. |
| THE ADVANTAGES OF
LIG-K + BORON |
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- high plant availability of potassium through leaf
- rapid leaf uptake & translocation to developing fruit
- chelated boron improves calcium uptake and sugar transport to fruit
- increases sugar levels, fruit size & weight
- promotes more even ripening
- small particle size & binder enhances canopy penetration
- improves yields & quality
- compatible with fungicides & insecticides
- Australian made product
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| APPLICATION |
| Click
here for Application of LIG-K + BORON |
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| The Zinc Solution For Mangoes |
| LIG-ZINC+ MANGANESE |
| Zinc deficiency is
most likely to occur in mangoes grown on alkaline soils,
however deficiencies on heavily leached acid soils may
be induced by lime application. Zinc is most important
in the early stages of plant development for photosynthesis,
root and shoot growth, flowering and fruit set. Deficiency
symptoms are normally associated with 'little leaf disease',
interveinal chlorosis of young leaves and poor fruit set
and yields. |
| THE ADVANTAGES OF
LIG-ZINC + MANGANESE |
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- high plant availability through leaf or soil
- rapid leaf uptake & plant utilization
- chelated zinc ensures no burning or marking
- enhances photosynthesis & early growth of plants
- superior binding properties allows for early application
- improves fruit set & yields
- compatible with LIG-IRON & fungicides & insecticides
- low cost Australian made product
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| APPLICATION |
| Click
here for Application of LIG-ZINC + Mn |
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| Fertilizer Program For Mature Mango Trees
(10 years old) |
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Fertigation grams/tree |
Foliar L/ha |
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Jan-Feb
(after harvest)
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Nitrogen application only if new wood growth is required.
Phosphorus if soil test indicates need. Gypsum beneficial.
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VIGOR-LIG PLUS @ 5 L/ha
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May
(bud initiation)
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TAKE LEAF TEST
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LIGNO-BORON @ 2 L/ha
10-14 day intervals
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June-July
(flowering)
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LIGNO-BORON @ 2 L/ha
10-14 day intervals
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August-October
(set & development)
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Pot Sulfate@ 250 g / tree plus Mag Sulfate @ 100 g
/ tree at 2 weeks intervals
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LIG-CALCIUM + B @ 6 L/ha
14-21 day intervals
2 sprays of LIG-ZINC Mn @ 4 L/ha
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4 weeks prior to harvest
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Pot Sulfate @ 500 g / tree plus Mag Sulfate @ 200 g
/ tree at 2 weeks intervals
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4 weeks prior
LIG-CALCIUM + B @ 6 L/ha
2 weeks prior
LIG-CALCIUM + B @ 6 L/ha plus LIG-K + B @ 6 L/ha
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| Notes: Avoid
nitrogen application at times other than directly after
harvest to stimulate new growth of wood. Nitrogen application
at other times is likely to be detrimental on fruit quality
and yield of the tree. Only apply nitrogen if leaf test
results show a need for nitrogen. Do
not apply as a regular maintenance application from year
to year. |
| Need for phosphorous determined
by soil analysis taken at any time of year. Calcareous
alkaline soils will require higher P applications. |
| Magnesium should be applied in
conjunction with potassium through fertigation to avoid
temporary magnesium deficiency due to high potash uptake
by the tree. |
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