India - Physical And Human Challanges Flashcards
Background
Rapid growth = millions of Indians suffer with poverty
Previously they were self-sufficient in wheat, India now imports large quantities of wheat due to 17 million extra people to feed each year with population growth
Range of natural environments - mountains, deserts, grasslands,tropical and temperate forests ( influencing agriculture)
Ecological zones of the Himalayan mountains, Indonesia-Gangetic Plain and Peninsular Plateau
Decline in food production = due to poor wheat harvests
Punjab region ( northwest) - occupies less than 2% of the land but accounts for 2/3rds of its food grains with wheat and rice being the most common - called the ‘bread basket of India’ but now faces physical and human threats
Physical challenges - water shortage
Semi-arid climate
Annual precipitation of 630mm
Annual temperature is 21
Hot season = April through to June
Rainy season = July to sept with 70% of the rainfall
Cold season is October to march
Unreliable monsoon rains in past 16 years have caused frequent droughts
Farmers have had to draw more on groundwater supplies to irrigate crops which declines the water table significantly
80%of the groundwater sources are overexploited with deeper wells having to be drilled. This requires expensive equipment leading to high suicide rates and many farmers leaving the industry
Physical factors - climate change and increased temperatures
Rising temps = more frequent Heatwaves have meant wheat crops reach there max heat tolerance
Vulnerability to short term heat reduces yield
Floods and droughts are occurring, even more accelerating the decline in the water table
Physical factors - soil erosion
Intense and heavy rain when it comes
Little infiltration due to the hard earth and high levels of overland flow - 40% is lost
Erosion of fertile land and upper layers of soil
Poor water management
Deforestation and overgrazing expose soils to wind and water erosion
0.7% is waterlogged
78% is affected by wind and water erosion
Human Challenges - Green Revolution
1960’s - HYV’s of rice and wheat was introduced
Aim to make India self-sufficient in food grains and reduce dependance on imports
Increased yields and new crops had more resistance on heavy rain and wind damage
This also created a by-product of employment in the manufacture of agrochemicals
Disadvantages:
- HYV’s are dependant on irrigation and chemical fertiliser And pesticides ( favours wealthier farmers)
- agrochemicals damages the soil and water quality
High costs of inputs for small farmers which can result in debt problems And widens the gap between rural rich and rural poor
Human revolution - government policy
2013 - Indian government introduced the national food security bill to try and alleviate food shortages
Focused on subsiding grain purchase rather than controlling supply with inefficient transport and infrastructure for storage leading to high wastage levels
High food prices with limited quality and quantity of food staples
Limitations on FDI, food retail sector is unpopular
FDI is an opportunity for Walmart and Carrefour to bring innovation and expertise into the Agri sector
Human challenge - Globalisation
Access to global markets
Small scale farmers cannot compete with large agribusinesses and they have been forced into high value crops which makes them more food insecure
Agri products are being imported into India from AC’s
GM crops are sold by MNC’s charging high prices
For the future …
Need increased government investment in agriculture - particularly for machinery
Better prices for farmers - direct selling through farmers markets
Reduced input costs - co-operative farming And organic farming
Move to local food security - highest producer of rice and wheat buys accounts for 1/3rd of the worlds hunger - inefficiency in storage and distribution disrupts food reaching the people it needs to ( especially rural! )
Solution could be local distribution centres and infrastructures
Appropriate technology - better management of water supplies
Malthus and boserup
More evidence for Malthus
Unreliable weather patterns = positive checks
High succeed rates and farmers leaving Agri
Overgrazing exposes the soil to water and wind
Malthus
Essays on the principle of growth
- 1798
Theory that an optimum population exists In relation to food supply
Increase beyond this will lead to war and famine and disease
Absence. Of positive checks means humans will grow at a geometric rate and yet food will increase at ab arithmetic rate - therefore population will increase more than food supplies
‘Natural checks’ can be avoided with abstinence and later marriage to control fertility
Although it can be criticised with the last two centuries food production has increased with HYV crops, agrochemicals, greenhouses and reclaimed land ( wetland)
Boserup
1965 - demand for food from population growth could push up prices and create an incentive for farmers to raise production ( cultivate more land using advanced technology and intense production with irrigation and multi-cropping
Eg in India - co-operative farming
Hydroponics in Japan
Better water supplies
AT - sack gardening in Kenya