Please enable JavaScript.
Coggle requires JavaScript to display documents.
Environmental - Coggle Diagram
Environmental
types of agriculture
arable
padi
plants and crops
pastoral
animals
cows
mixed
both pastoral and arable
animlas
goat
cow
crops
banana
cofee
commercial
large scale
one crop/concentration
subsistence
familes
enough for survival
horizons
B
Subsoil
Where materials accumulates from horizons above and below
C
Weathered bedrock
Many loose pieces of rock, broken off from the pearent rock below the weathering
A
Topsoil
New material from decomposition of trees and plants
Minerals
Weathering
Mineral particles
Sand
Clay
Granite
Hard
Quartz
Soft
Mica
Feldspar
To growth plants
Nitrogen
Phosphorus
Potassium
Soil preparation 🌾
Tilling or ploughing
Solidified loosened
Nutrients are brought up
More air passage
Good crop production
Retain water
Earthworms
Air can pass trough
Humus
Decomposed matter
Rich in matter
Level the soil
Manure
Makes soil fertile
Equipement
Plough
Hoe
Cultivator
soil composition
many different types of soil
organic matter
small proportion
supplied on the surface bt falling leaves
mineral matter
largest propotion of soil
mainly sand and clay
air
water
Agricultural techniques to increase yields
Farming output
increase just to keep peace with growth in world population
Mechanization
Every role is made my a machine
High Efficiency
Controlled Growth
Fast Production
Irrigation
provision of a supply of water
water is transferred
from areas of storage to places of use
by canals
Selective Breeding
1950
Green Revolution
X3 Yielding
Great increase of food
Global
1960
Used by India
Reduced risk of famine and hunger
Great variety of rice
Anti-drought