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The study of soil
in agriculture use
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”
Soil is a mixture of minerals, organic matter, gases, liquids and countless organisms that
together support life on Earth.
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Problem StatementHow soil organic matter, soil
moisture, soil pH, water retention in different type of soil influence in the
field of agriculture?
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1.To determine the percentage of
soil organic matter (SOM), soil moisture and water retention in different type of soil for benefit
in agriculture
Objective2.
To determine pH in different type of soil for benefit in
agriculture
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Methodology
Loss on ignition
(LOI)
pH test by using universal indicator
Filtration
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Loss On Ignition (LOI)
Put in oven to dried up
overnight(Determine soil
moisture)
Burn with bunsen burner for 45
minutes(Determine soil organic matter)
10g 6g 2g
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pH test by using universal indicator
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Filtration
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ResultsSandy Clay Silt Chalky
pH 8.0 7.0 6.5 9.0
Soil moisture 0.72% 56.23% 17.51% 9.61%
Soil Organic matter (SOM) 0.63% 25.11% 2.05% 0.22%
Water retention 35% 75% 25% 7.5%
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Discussion
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Sandy◉ pH:5.5◉ Low soil moisture, water
retention and SOM◉ Huge space between soil particle◉ Excellent drainage characteristic ◉ Suitable for: potatoes, tomato and
tobacco
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Clay◉ pH:7.0 ◉ High soil moisture, water
retention and SOM◉ Smallest soil particles◉ Many small pore spaces◉ Little air passes through◉ Suitable for: Broccoli, cabbage
and Brussels sprouts
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Silt◉ pH:6.5◉ Above average soil moisture,
water retention and SOM◉ Fine particles that can easily
compacted◉ Suitable for: carrots, potatoes,
tobacco, tomatoes
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Chalky◉ pH:9.0 ◉ moderate soil moisture, water
retention and SOM◉ Consists large number of stones◉ Prone to dryness◉ Suitable for: Mushroom, yam,
okra
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Clay is the BEST
among four soil samplexD
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Soil with roughly equal proportions of sand, silt and clay.-Loam.
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Thanks!“When life gives you lemon, make lemonade”