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8/10/2019 tech in food production.ppt
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Learning Outcomes
Explain the need for improving
the quality and quantity of food
Explain the methods to improve
the quality and quantity of foodproduction in the country.
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The need for improving the
quality and quantity of food.
The population of Malaysia
has been increasing rapidly.Diversifying food production
in line with the national foodproduction policy.
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The seeds are sown
directly into the soil byusing special machinesand the seeds are coveredwith soil as they are beingsown.
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Examples of plant
Paddy
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The advantages
save cost.
grows very fast.
the yield of rice increases each yearbecause the rice can be harvested a
few times a year in shorten
harvesting time.
less water needed to irrigate the
fields.
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1. Technique for growing certain crops
using culture solutions to provide all the
nutrients needed by the plants.
2. The method is the plants do not grow in
soil.
3. The plants are supported in special
containers which contains sand or
pebbles and a culture solution to supply
all the nutrients needed by the plants.
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4. The roots are immersed in all aerated
solution containing the correct
proportions of essential minerals such as
macronutrients and micronutrients
5. The culture solution in the containers is
replenished from time to time as they are
being used by the plants.
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The advantages
plants can be carried out anywheresince it does not require soil
temperature and light intensity can be
controlled the methods are space-saving since
the plants can be planted close
together since the plants are supplied with all
nutrients they need, they grow more
healthily and have better yield.
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Friesiancow Shahiwalbull
Mafriwalcow
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Friesiancow Shahiwalbull
Mafriwalcow
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Breeding is the process of
producing offspring of and
animals with better quality fromthe mating of both parents with
high quality characteristics.
Different animal species with
certain beneficial characteristics
are selectively bred.
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Examples of animals
Cow Chicken
Ducks
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The process of producing offspring of
plants and animals with better quality
from the mating of both parents withhigh quality characteristics.
The breeding of plants are differentplant species with certain beneficial
characteristics are selectively bred.
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The advantages
produce more milk with low fat
content
provide a lot of meat. increased nutritional values
higher yieldsgreater resistance to disease and
climatic change.
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A technique that involves the growth of
tissues of living organisms outside the
body in a suitable culture medium.
Meristem tissues from the tips of shoots
and roots are removed from the plant.
They all then cultured in a culture solution
that contains all the nutrients required for
growth.
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Examples of plants
PapayaPineapples
Star fruits
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The advantages
produce offsprings with the same
good quality characteristics of the
parent .
can produce offsprings in large
numbers.
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This technique involvestransferring genes from an
organism into the DNA of another
organism to alter thecharacteristics of the organism.
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Examples of plants
Tomatoes
Potato
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The advantages
speeds up the breeding process
of plants and live-stock
produces offsprings faster than bymating
crops and animal of good qualityare produced.
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Surface of the soil must always becovered by plants to prevent soil
erosion and the loss of nutrients.
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Examples of plant
Watermelons
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The advantages
can reduce soil erosion
leaching of nutrients from the soil
and addition of organic matter
which promotes humus formation
improves soil structure.
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A method of controlling pests byusing an organism which is a
pest.
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The advantages
can reduce of using chemicalcontrol such as pesticides.
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Good Day and Good Bye