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492718
Intensive Farming
Description
A-level BIOL4 Mind Map on Intensive Farming, created by prettypriyaz on 19/01/2014.
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biol4
biol4
a-level
Mind Map by
prettypriyaz
, updated more than 1 year ago
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Created by
prettypriyaz
almost 11 years ago
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2
0
Resource summary
Intensive Farming
Crops
Monoculture
Farmers specialise in one type of crop
Reduce Plant competition for food, light and etc.
Control of undesirable organisms
Enable disease to spread out quickly
Domesticated Livestocks
Any animals kept for use of profit
Farming Practice
Crop rotation to increase soil fertility
Ploughing aerates soil
Fertilisers
Nitrogen for protein
Phosphorous for ATP or DNA
Pests
Pesticides
Effective Pesticide shoud
Specific
biodegradable
Bioaccumulate
Cost effective
Biological control of pests
Advantages
Specific
Intergrating Pest control system.
Use biological agents.
Use Pesticides as a last resort
No bioaccumulation
Doesn't develop resistance
Once introduced, it reproduce itself
Disadvantages
Does not act as quickly as pesticides
It may itself become a pest
Net Productivity= Gross Productivity - Respiratory Loss
Gross Productivity is the total amount of energy is fixed by photosynthesis
To increase gross productivity fertiliser can be used
To overcome the limitation of minerals
To reduce respiratory loss , movement is restricted so they are kept in confined cages.
Predators are excluded
Kept in a warm environment to reduce heat loss
is the remainder of energy that is transfered to the next feeding level
Feeding can be controlled, so animals receive optimum amount
Minimise Input and Maximise Output
Using Hormones to increase growth
Selectively breed them to produce varities that are more efficient in conversion
Reduces Genetic diversity
Use of antibiotics to prevent disease spread.
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