About Lesson
High External Input Agriculture (HEIA) and Environment :
- Green Revolution
- Practiced in developed countries
- Practiced by resource rich farmers
- Practiced in areas with accessibility of infrastructures, inputs and technical support
- External inputs are used at high quantity (fertilizers, pesticides, agrochemicals, hybrid seed, machineries)
- Exploitation of non-renewal resources like fossil fuel
- Impact: Soil, water and air pollution by excessive use of agrochemicals like fertilizers,
- pesticides; loss of biodiversity
- Unsustainable farming system