Farming Practices to Increase Productivity

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  • Farming Practices to Increase Productivity
    • Plants
      • Pesticides and biological control
        • Fewer predators means more ability to photosynthesise (more living plant tissue)
        • However, it can decrease biodiversity and endangers the natural food chain
      • Antibiotics
        • Lowers the risk of plants becoming diseased
        • Less energy is wasted on fighting disease
        • However, it can lead to immune bacteria
      • Herbicides
        • There is a lack of competition
        • This means that there are more nutrients for the species
          • e.g. nitrates for growth, phosphates for ATP/DNA/ phospholipids
        • However, it can lead to a decrease in biodiversity
      • Fertiliser
        • More specific nutrients for the plant
        • The plant is getting the exact nutrients it needs
          • e.g. magnesium for the chlorophyll, potassium for cell turgidity
        • But, it can lead to eutrophication and the destruction of habitats
    • Animals
      • Reduce movement
        • Lowers the need for ATP and therefore, for respiration
        • Reduces respiratory losses
        • However, it can lead to boredom and an increased risk of disease
      • High energy diet
        • More food can be easily assimilated
        • Therefore, less energy is wasted on creating excretory products
        • However, fast-tracked development can lead to a weak skeletal structure
      • Antibiotics
        • Lowers the risk of livestock becoming ill
        • Less energy is wasted on fighting disease
        • However, it can lead to immune bacteria
      • Selective breeding
        • Choose traits of offspring based on parents
        • Desired traits are more likely to show - strongest female + strongest male = stronger offspring
        • Sometimes the desired traits are not shown - months wasted on bad result
    • All of these practices reduce energy loss so more energy can be converted into biomass

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