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Growing soybean and maize
in rotation
in partnership with IAR, SG2000, ADPs, NEARLS,
and DGDCBelgium
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Year 1: Grow soybean
Year 2: Grow maize on the same plot
Some benefts:
Soybean brings nitrogen from air into soil as a free
source of urea. You can obtain good maize yield after soybean with less
inorganic fertilizer application due to soil improvement by
soybean.
Growing soybean before maize reduces strigainfestation
in your maize farm.
Growing soybean and maize ensures ood security anddiversifcation (good animal eed, high quality ood per
amily).
Growing soybean and maize
in rotation
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Year 1: Grow soybean
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Growing soybean and maize in rotation
Buy seed oimproved soybean
variety with good
haulm and grain yieldrom a reliable seed
company. 4050 kg
Soybean seeds per
hectare is required.
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Growing soybean and maize in rotation
Apply ertilizers:For a arm o a hectare
size, broadcast six bags
o SSP beore ridging.
2
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Make ridges 50 cmapart either by hand,
animal traction or by
tractor.
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Plant ater a good
rain. Make shallow
grooves (12 cm deep)
on ridges and drillsoybean seed (1 seed
every 5 cm) and cover
lightly with soil.
4
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Scare birds duringthe frst two weeks ater
planting.
5
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Control weedmanually or with
herbicides recommended
for soybean by extensionagent.
6
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When cropis inested by
insects, spray with
recommendedinsecticides.
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Harvest by cutting
at ground level with
sickle when leaves
turn yellow. Do not
harvest by uprooting
the plants.
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Thresh soybean on
the feld. Spread the
haulm on the feld or
eed them to livestock
and return the manure
to the feld.
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Year 2: Maize on
the same plot
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Buy improvedmaize seeds rom
a reliable seed
company.
1
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Break old ridgesand make new ridges
75 cm apart.
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Growing soybean and maize in rotation
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Plant after a good
rain. Use a stick to make
planting hole 5 cm deep
at every 25 cm on the
ridge. Plant one seed per
hole and cover lightly
with soil.
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Control weed by
spraying recommended
herbicide beore
maize germination
or manually ater
germination.
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Growing soybean and maize in rotation
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Apply 3 bags of NPKwhen maize is at emergence
(7 days after planting). Use astick to make a hole at 5 cm
away from plants. Place the
fertilizer in the hole using
a coca-cola cap (1 cap full)
and cover the hole.
Apply 3 bags of Ureawhen plants are at the
knee height. Use a stick to
make a hole at 5 cm away
from plants. Place the
fertilizer in the hole usinga coco-cola cap (1 cap full)
and cover the hole.
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Growing soybean and maize in rotation
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5b
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Bend cobsdownward at maturity
to hasten drying and to
minimize spoilage.
6
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Harvest by dehusking
and removing cobs
immediately rom the
feld.
7
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Dry cobs properly
beore storage in a
dry place.
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