Improvement of Crop Resources
* Green revolution contributed to increased food grain production.
* White revolution contributed to increased availability of milk.
* The gradual increase in food production can be brought about by crop variety improvement, crop production improvement and crop protection management.
* Crop variety improvement involves selecting a high yield crop variety for cultivation.
* Contamination of the air, water and soil with toxic substances leads to pollution.
* Crop production improvement is the protection of growing and harvested crops from loss.
* Crop protection management involves the nurturing of crop plants against weeds, pests and diseases.
Animal Husbandry
Animal husbandry is the farming and management of livestock. It includes:
*  Cattle Farming – The practice of rearing cattle by providing facilities for raising livestock.
*  Poultry Farming – The practice of raising poultry for egg production and chicken meat.
*  Fish Farming – The production of fish for commercial purpose.
*  Bee-keeping – The practice of maintaining honey bee colonies in beehives for commercial production of honey.
