Foliar fertiliser K-LEAF - Oilseeds · 2018. 1. 16. · Foliar fertiliser K-LEAF 52% K 2 O 46% SO...
Transcript of Foliar fertiliser K-LEAF - Oilseeds · 2018. 1. 16. · Foliar fertiliser K-LEAF 52% K 2 O 46% SO...
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Foliar fertiliserK-LEAF
52% K2O46% SO3
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The Importance of Potassium in Plant Nutrition
1 December 2011
2
• photosynthesis & protein synthesis
• regulating transport functions
• plant transpiration
–water use efficiency
– reducing drought stress
• N asimilation and synthesis of proteins
• Synthesis of sugars
Germination Vegetative Growth Tuber Formation Tuber Enlargement Maturity
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N P2O5 K2O MgO SO3 CaO
Winter wheat 1 0,3 0,75 0,15 0,3 0,1
corn 1 0,4 1 0,2 0,4 0,15
Sugar beet 1 0,3 1,75
potato 1 0,3 1,6 0,3 0,2 0,3
rapeseed 1 0,6 1,6 0,3 0,7 1,0
Proportion between N and othe nutrients
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K-leaf is accumulated by straw
Prof. Roman Czuba; Instytut Uprawy Nawo.enia i Gleboznawstwa Filia we Wrocławiu, International Potash Institute
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Sugar beet unbalanced N
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K-Leaf™
П
52 % K2O46% SO3
Cristalline form for spray liquid
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Oilseed rape – accumulation o nutrients
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soil=57 kg K2O/ha
Foliar=2% in 500 l/ha
b
a
Maize – accumulation of nutrients
8
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Sugar beet — accumulation of nutrients
1 czerwca 1 lipca 1 sierpnia 1 września 1 października 1 listopada0
50
100
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Azot Potas Fosfor Magnez Sód
miesiące wegetacji
akum
ulac
ja s
kład
nik
a
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40 kg K20 40 kg K2O + k-leaf 140 kg K2O 140 kg K2O + k-leaf0
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3,59 4,09 3,70
5,19
plon
t/ha
It is soild K that works
Terminy oprysków: ‘Liść flagowy, oraz liść flagowy +25 dni
40 kg K2O in soil 140 kg K
2O do gleby
Terminy oprysków: ‘Liść flagowy, oraz liść flagowy +25 dni
40 kg K20 40 kg K2O + k-leaf 140 kg K2O 140 kg K2O + k-leaf0
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3,59 4,09 3,70
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plon
t/ha
Zabiegi dolistne
to bardzo
kiedy zalecamy
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40 kg K20 40 kg K2O + k-leaf 140 kg K2O 140 kg K2O + k-leaf0
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3,59 4,09 3,70
5,19
plon
t/ha
It is soil K that works, with little help from k-leaf
Terminy oprysków: ‘Liść flagowy, oraz liść flagowy +25 dni
40 kg K2O do gleby 140 kg K
2O in soil
Terminy oprysków: ‘Liść flagowy, oraz liść flagowy +25 dni
40 kg K20 40 kg K2O + k-leaf 140 kg K2O 140 kg K2O + k-leaf0
1
2
3
4
5
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3,59 4,09 3,70
5,19
plon
t/ha
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That feeds a plant with potassium
but its most important role is to
stimulate high turgotr of plant that
plant can absorb more nutrients
from soil.
Tessenderlo Chemieproposes foliar feeding with
K-Leaf™
52% K2O46% SO3
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grains – potassium demand
demand [kgK2O/t grain]
Grains only Grains and straw
Winter grains 5,6 11,8
Spring grains 13,7
Źródło Potash Development Association, UK, 2005
Peak demand in fild of wheat, giving some 8 t grain yield,
shortly before flowering, can achieve up to 10 kg K2O a day
and accumulation raches some 200 kg/ha at this time.
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K-leaf in grains
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3-4 treatments
I: 4-6 kg/ha at spring vegetation restart. Summer crops – tratment
at tillering stage (BBCH 21-29)
II: 4-6 kg/ha at flag leaf. Malting barley – tr-tmnt when ear visible.
IIa: 4-6 kg/ha some week or two after II, if high gluten content is
demanded.
IV: 2-3 kg/ha at last autumn foliar treatment.
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K-leaf increases wheat yield
1 December 2011
15
Instytut Genetyki Roślin, Kijów 2011
-10
10
30
50
70
90
110
85,0 93,1 91,9 97,5
Plo
n d
t
Control 5 kg spring restart 5 kg flag leaf 5 kg + 5 kg
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K-Leaf for Increased Yield of wheat
1 December 2011
16
Base Fertilization: 95 - 51 - 78 Timing: ‘Preheading’ then 2nd + 10 days & 3rd + 10 daysK-leaf: Each spray 6 kg/ha as a 2% solutionVariety: ‘Zolotocolsa’
University of Life and Environmental Science of Ukraine
Kiev 2011
Yield Improvement: 0.51 mT/ha & 0.76 mT/ha
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K-leaf increases whet yield
1 December 2011
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Appl.kg of product
yield [t] 1000 grain weight
Gluten content [%]
density
0, 0, 0 6,38 36,4 31,1 66,3
5, 5, 5 6,52 36,6 30,7 67,7
5, 0, 5 6,64 37,5 31,1 67,3
5, 5, 0 6,74 37,3 30,8 67,9
0, 5, 5 6,45 37,5 30,1 68,1
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Tessenderlo Chemiepromotes foliar application of
K-Leaf™52% K2O46% SO3
That supplies plant with
potassium and sulphur but first
of all potassium supplied with K-
Leaf reduces drought stress
allowing the plant to absorb
more nutrients from soil.
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Oilseed rape – demands for potassium
Oilseed rape needs some 80-85 kg K2O for 1 t of grain yield.
About 1,3 – 1,6 kg K2O per 1 kg N fertilisation.
About 20% of total needs are to be accumulated before winter
Well K-supplied OSR has some 3-6 C° better frost resistance.
Spring K shortages hardly ever show any visual effects.
Very high demand for S – similar to P.
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OSR – K assimilation dynamics
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Oilseed rape – accumulation o nutrients
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3 treatments
I: 4-6 kg/ha at spring regrowth.
II: 10-12 kg/ha at green bud phase.
III: 2-3 kg/ha at last autumn foliar treatment.
K-leaf in OSR
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0
1
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4,59 5,18 5,57 5,96Plo
n [t]
Staphyt Poland 2013
K-leaf used with oilseed rape — doses and timing
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0
1
2
3
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5
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4,59 5,18 5,3 5,21 5,57 5,58 5,96
Plo
n [t]
Staphyt Poland 2013
Insignificant influence of 10 kg
Significant influence of 10 kg
K-leaf used with oilseed rape — doses and timing
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Tessenderlo Chemiepromotes foliar application of
K-Leaf™52% K2O46% SO3
That supplies plant with
potassium and sulphur but first
of all potassium supplied with K-
Leaf reduces drought stress
allowing the plant to absorb
more nutrients from soil.
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Potato demand for potassium
Potato usually needs some 6 kg K2O per 1 t of
tuber yield.
Highest demand during 1 month after tuber
initiation.
After floering accumulation of potassium slowes
down and more potassium transfers from leafs to
tubers.
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When potato needs potassiu most?
Potato – K accumulation during various grwth phases
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Foliar SOP for Bigger Potatoes
1 December 2011
28
University of Life and Environmental Science of Ukraine, Kiev 2011
Yield Improvement for >60 mm: 13.3 mT/ha & 16.8 mT/ha
Potato Calibre
Distributor Trial – Northern France 2011
Yield Improvement for >60 mm: 21.6 mT/ha
Potato Calibre
Treated Control Treated Control
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K-Leaf™ – qield, caliber – variety Annnabellesoil treatment:
160 N, 260 K2O
K-Leaf tr-ments:
28.V – 5 kg/ha
10.VI – 5 kg/ha
22.VI – 5 kg/ha
4.VII – 5 kg/haKontrola K-leaf
0,0
2,0
4,0
6,0
8,0
10,0
12,0
14,0
2,3 2,44,1 3,3
9,9
8,0
12,8 12,511,9
14,0
5,9
14,0
3,3
5,6
<35 35-40 40-45 45-50 50-55 55-60 60-70
Poland, 2016.
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K-Leaf™ – qield, caliber – variety Annnabelle
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3-5 treatments
I: 4-6 kg/ha at when tubers are of some 10-15 mm diameter.
II – IV: 4-6 kg/ha at each consequent foliar fungicide
treatment for 4 weeks after Ist treatment
V – VI: 4-6 kg/ha additionally during tubers ripening (july –
early august), especially if high dry matter is requested.
Recommendations K-leaf in potato
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Effect of foliar application on Green Bean
4% SOP solution in 300 l/ha water
Production (kg/ha)
Dry matter (kg/ha)
Dry matter (%)
K contain (%)
Control 25,34 2,12 8,36 2,31 c
K-leaf 29,57 2,50 8,47 2,44 a
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Crop Dates of application Dose [kg/ha]
Oilseed rape
Last autumn fungicide
Spring vegetation restart
Green bud
2-3
4-6
8-10
Winter cereals
Last autumn fungicide
Spring vegetation restart
Flag leaf
2-3
4-6
4-6
Summer cereals
Beginning tillering
Flag leaf
4-6
4-6
Malting barley
Beginning tilleringEar visible
4-6
4-6
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Crop Dates of application Dose [kg/ha]
Sugar beet 6-8 leaf
in 14-21 days
8-10
8-10
Brassica
cabbage
Beginning of head formation
in 10-14 days
In another 10-14 days
4-6
4-6
4-6
Bulb and root forming vegetables
7-9 leaf
In 7-14 days
In another 7-14 days
4-6
4-6
4-6
grasses After each swath 5
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K-Leaf™
52% K2O
46% SO3
ph = 2,9
can be mixed with:
Fungicides, insecticides, other foliar fertilisers.
We recommend to apply mixed with MgSO4
Natrium borate – it dissolves in K-leaf solution by
far faster than in pure water.
● It can not be mixed with calcium (Ca) sources,
however it is fine to use K-leaf in hard water.
● We do not recommend to use with herbicides.
Practical matters
35
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Tessenderlo Chemierecommends
K-Leaf™
ПContact:
Piotr Sykuttel. +48 509 580 [email protected]