Haifa U MulticoteAgri Potatoes
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Transcript of Haifa U MulticoteAgri Potatoes
![Page 1: Haifa U MulticoteAgri Potatoes](https://reader034.fdocuments.us/reader034/viewer/2022052214/545dc5f2b1af9fb5508b46d0/html5/thumbnails/1.jpg)
Controlled Release Nutrition
for
Potatoes & Sweet Potatoes
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Potato and sweet potato
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Multicote® Agri products combine
controlled-release and readily available
sources of nitrogen, phosphorus and
potassium.
.
Multicote Agri
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CoteN™ is a source of controlled-release
nitrogen, based on polymer-coated urea.
CoteN™ may be blended with
non-coated N, P, or K to create CoteN Mix
CoteN™
Controlled-Release nitrogen
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The benefits of Multicote Agri & CoteN™
Single application per season = labor
saving
Optimized supply of nutrients
Minimizes losses through leaching
Availability of nutrients is ensured
Lower application rates are required
Minimized contamination of soil and
groundwater
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CoteNTM is recommended
On light soils
where nutrients are easily leached
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CoteNTM is recommended
As base fertilizers for rainy season crops
Rainfall accelerates nutrient leaching...
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CoteNTM is recommended
While the mud makes side-dressing
application troublesome
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CoteNTM is recommended
Where nitrogen application rates are limited by local
regulations, so high efficiency of nutrient use is desired
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Trial in Kibbutz Ruhama, Israel (Negev), 2006 -
Treatments
Crop: Potato cv Venus
Soil type: Sandy loam
Application method:
pre-sowing application in 2 banded rows at both sides of the trench.
%
dry matter
Total tuber yield
ton/ha
N
kg/ha Fertilizer Treatment
18.88 61.4 400 Urea 46-0-0 Grower’s
practice
19.23 62.5 240 43-0-0
(70% coated) CoteN
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Trial in Kibbutz Ruhama, Israel (Negev), 2006
60
60.5
61
61.5
62
62.5
63
Grower's practice CoteN
Yield (ton/ha)
CoteN™ treatment: Higher yields at lower application rate
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Trial in Kibbutz Nir-Eliyahu, Israel, 2006 - Treatments
Crop: Potato cv Mondial
Soil type: Red loam
Application method: Pre-sowing application
Total tuber yield
ton/ha
N
kg/ha Fertilizer Treatment
69 420 Urea 46-0-0 Grower’s practice
71.5 350 43-0-0
(70% coated) CoteN
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Trial in Kibbutz Nir-Eliyahu, Israel, 2006
65
66
67
68
69
70
71
72
Grower's practice CoteN
Yield (ton/ha)
CoteN™ treatment: Higher yields at lower application rate
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Trial in Kibbutz Nir-Eliyahu, Israel, 2006
Additional benefits of CoteN treatment
Higher N levels in the soil refer to reduced leaching
Higher chlorophyll levels in the leaves
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Trial in Cudgen, Australia (NSW), 2005 - Treatments
Crop: Sweet potato cv Beaureguard
kg/ha Fertilizer Treatment
K2O P2O5 N
200 128 112 Granular fertilizers Grower’s practice
175 112 102 Multicote Agri 6M
14.5-16-25
60-0-70% coated
Multicote Agri Hi
145 93 84 Multicote Agri Med
128 82 74 Multicote Agri Lo
Application method
Grower’s practice: base dressing + 2 side dressing applications
Multicote® Agri: base-dressing, fertilizer was incorporated to the soil at bed
formation before planting
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Trial in Cudgen, Australia (NSW), 2005 - Results
Income Total yield
Ton/ha
Tuber size
distribution (%) Treatment
US$/ha L M S
9,020 28.7 15 16 6 Grower’s practice
16,610 36.9 8 31 9 Multicote Agri Hi
16,975 35.3 9 32 11 Multicote Agri Med
12,580 32.8 15 18 12 Multicote Agri Lo
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Trial in Cudgen, Australia (NSW), 2005
Yields (ton/ha)
0
2
4
6
8
10
12
14
16
18
20
Grower's
practice
Multicote Agri Hi Multicote Agri
Med
Multicote Agri Lo
Large
Medium
Small
Highest yields and income were obtained with
Multicote® Agri at 75% of conventional rates.
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Application recommendations
% coated nutrients Application Rate
% of local practice
K2O P2O5 N K2O P2O5 N
Up to 50 - 70 70 100 60-70 Light soil
Up to 50 - 50-60 80 100 70-90 Heavy soil
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Application recommendations
The recommendations should be considered as
a general guide only. Actual application rates and
percentage of coated nutrients may be up to
10% more or 10% less than the values given in
the able .
The exact rates, timing and mode of application
should be determined according to specific crop
needs, soil and water conditions, and the
grower’s experience .
Consult Haifa agronomist to customize the
optimal fertilization program for your needs
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