Give four differences between monoculture and polyculture in Fisheries
Answers
Monoculture Vs. Polyculture
Monoculture
◼ Involves the cultivation or production of a single crop in a given area
◼ Requires less labor
◼ More susceptible to diseases and pests due to involvement of only a single plant species, that can result in crop failure
◼ Does not increase biodiversity as there is no variety
◼ Lower yields obtained
◼ Causes soil degradation by depleting its nutrients and water content
◼ Increases soil erosion
◼ Causes the contamination of water
◼ Causes elimination of soil microorganisms
◼ More use of chemical fertilizers and pesticides due to its increased susceptibility to diseases
◼ Paddy cultivation is an example of this type.
Polyculture
◼ Involves the cultivation of multiple or mixed crops in a given area
◼ Requires more labor
◼ Diverseness in the crops lessens the susceptibility to diseases and pests, thus, also reducing the risk of total crop failure.
◼ Variety in crops increases local biodiversity, providing habitat to more species
◼ Higher yields obtained
◼ Enhances soil health
◼ Decreases soil erosion
◼ Does not cause contamination of water, thus, there is clean water run-off
◼ Does not cause elimination of soil microorganisms
◼ Lesser or no use of chemical fertilizers and pesticides
◼ Mixed vegetable gardening is an example of this type.
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Answer:
Monoculture Vs. Polyculture
Monoculture
◼ Involves the cultivation or production of a single crop in a given area
◼ Requires less labor
◼ More susceptible to diseases and pests due to involvement of only a single plant species, that can result in crop failure
◼ Does not increase biodiversity as there is no variety
◼ Lower yields obtained
◼ Causes soil degradation by depleting its nutrients and water content
◼ Increases soil erosion
◼ Causes the contamination of water
◼ Causes elimination of soil microorganisms
◼ More use of chemical fertilizers and pesticides due to its increased susceptibility to diseases
◼ Paddy cultivation is an example of this type.
Polyculture
◼ Involves the cultivation of multiple or mixed crops in a given area
◼ Requires more labor
◼ Diverseness in the crops lessens the susceptibility to diseases and pests, thus, also reducing the risk of total crop failure.
◼ Variety in crops increases local biodiversity, providing habitat to more species
◼ Higher yields obtained
◼ Enhances soil health
◼ Decreases soil erosion
◼ Does not cause contamination of water, thus, there is clean water run-off
◼ Does not cause elimination of soil microorganisms
◼ Lesser or no use of chemical fertilizers and pesticides
◼ Mixed vegetable gardening is an example of this type.