All livings need food as a source of energy and for tissue replacement, like any other animal.

1. FOOD
RESOURCES
By Tanya F Lal

2. INTROD
UCTION
Food refers to anything
Eaten by man Which gives
energy and which is able
to meet Psychological
needs For growth of
human body

3. IMPORTANCE
OF FOOD
Used for
maintaining all body
process And
activities
For physical
development
For mental
development
For protecting body
For Fulfilling body
needs

4. SOURCES
OF FOOD
Hunting
Agriculture
Domestication of animals
Fishing

5. WORLD
FOOD
SUPPLY
Mixed farming
Good irrigation facilities
Quality seeds
Use of chemical fertilizers and pesticides
Availability of storage

6. World
food
Problem
s
• Large population
• Energy
• Land, weather and
climate
• Food availability
• Purchasing power

7. Food problems in India
• Poverty
• Lack of purchasing power
• Population
• Lack of cold storage facilities
• Wastage of food

8. How to solve the food problem in
India
• Use of technology in agriculture
• Balancing the demand with supply
• Checking population growth
• Proper public distribution
• Proper Transport facilities

9. Changes caused by agriculture
• Climate changes
• Deforestation
• Biodiversity loss
• Irrigation problems
• Soil degradation

10. Over grazing
Live stock Is an important
source Food in many countries
Including India Meat and milk
obtained from live stocks. Hence
live stock less to fed on grazing
land.

11. Adverse effects of over gazing
• Removes the
Vegetation cover of
the soil
• Lose of plant
regeneration capacity
• Expose the soil
• Soil erosion
• Less production

12. modern agriculture
Modern agriculture is an ever-changing approach to agricultural
innovations and farming practices that helps farmers increase
efficiency and reduce the amount of natural resources needed to
meet the world’s food, fuel and fiber demands. Modern farming
practices allow farmers to increase productivity while decreasing
environmental impact.

13. Benefits of modern agriculture
• Productivity Is boosted by technology
• Decrease use of water and fertilizers
• Increase employment opportunities
• Increase the economy of country
• Improved income for the farmers

14. Adverse impact Of modern
agriculture
1. FERTILIZERS RELATED
PROBLEMS
• Excessive use of chemical
fertilizers Leads to a micro
nutrient imbalance In the soil
resulting in Low production
2. PESTICIDES RELATED
PROBLEMS
• Excessive usage of
pesticides Killed not only
the target pests and insect
But also non targeted
species which are good,
for agriculture.
• Affected the quality of food
Crops resulting in adverse
human health.

15. 3. WATER LOGGING
• Excess water Gets
accumulated in the
field due to
Inadequate drainage
facilities.
• It is because of over
irrigation of
4. SALINITY
• Use of saline water
for irrigation.
• Presence of excess
salt in soil.
• Reduce crop
production.