Maarg Manthan · Topic 11.15

Rice: Growing Conditions, Varieties, Methods of Cultivation, Production Pattern, International Trade

Geography › Agriculture and Crop Geography · Topic 11.15

Rice is the staple food of more than half of the world's people and a kharif crop in India. It needs a hot, humid climate, with 24 °C or more during growth, over 100 cm of rain or irrigation, and clayey loam or alluvial soil that holds water. The main types are indica (long grain), japonica (short, sticky) and javanica. It is grown by wet (paddy) or dry cultivation, as transplanted, broadcast or direct-seeded rice, or by the System of Rice Intensification. China and India are the largest producers, and India, Thailand, Vietnam, Pakistan and the United States lead exports.

5 min read · UPSC Prelims · Geography · Agriculture and Crop Geography

At a Glance

Climate Hot and humid; over 100 cm rain
Soil Clayey alluvium that holds water
Types Indica, japonica, javanica
Top producers China, India
Top exporter India
Exam link UPSC Prelims, Geography: Agriculture and Crop Geography

Where Does It Fit?

This topic follows wheat and takes the main crop of the kharif season. Rice is the staple of South and East Asia and is tied to the monsoon, the delta soils and the irrigation systems studied earlier in the subject. Previous topic: Wheat: Growing Conditions, Varieties, Cultivation, Production Pattern, International Trade. Next topic: Maize (Corn): Growing Conditions, Production Pattern, International Trade.

What Are the Growing Conditions and Types of Rice?

Factor	Requirement
Temperature	Hot, 20 to 30 °C during growth, with a minimum of about 21 °C; frost kills the crop
Rainfall	100 to 200 cm, or irrigation; standing water for much of the growth period
Soil	Clayey or loamy alluvium that holds water; deltas and river plains
Relief	Flat lands or terraced slopes that can be flooded and bunded
Labour	Large supply of labour for transplanting and harvesting

Indica: long, slender grains grown in tropical and subtropical lowlands, the most widely grown type, including basmati.
Japonica: short, round, sticky grains from cooler and temperate zones, as in Japan, Korea and northern China.
Javanica: broad grain types grown in Indonesia.
Ecosystems: irrigated lowland, rainfed lowland, upland and deepwater or flood-prone rice.

How Is Rice Cultivated and Which Varieties Are Grown?

Wet (paddy) cultivation: the field is puddled, bunded and flooded; seedlings from a nursery are transplanted by hand or machine, and water is kept standing until near harvest. It needs much water, about 3,000 to 5,000 litres for a kilogram of rice, which is a concern in Punjab and Haryana.
Dry and upland cultivation: seed is broadcast in unirrigated fields, giving lower yields; common in the hills and eastern uplands.
Direct-seeded rice and System of Rice Intensification: save water, labour and methane, as in Impact of Climate Change on Agriculture and Sustainable Agriculture Practices.
Terrace farming: on hill slopes in the Northeast, Himalaya and East Asia.
Varieties: IR8 (1966, from the International Rice Research Institute, the ‘miracle rice’), Jaya, Ratna, Swarna, Sona Masuri, and basmati varieties such as Pusa Basmati 1121; aromatic rice such as Kalanamak. The Green Revolution link is in Horticulture, honey Exam…">Agricultural Revolutions (Green Revolution, White Revolution, Blue Revolution, etc.).
Seasons: kharif is the main season, with aus, aman and boro seasons in the east, as in Cropping Seasons in India.

What Is the Production Pattern and Trade?

World: production is about 520 million tonnes of milled rice. China and India together grow more than half; Bangladesh, Indonesia, Vietnam, Thailand, Myanmar and the Philippines follow. Asia produces about 90 per cent of the world’s rice.
India: the largest area under rice in the world, about 45 million hectares, and output of about 135 to 140 million tonnes in recent years. West Bengal, Uttar Pradesh, Punjab, Andhra Pradesh, Telangana, Odisha, Bihar, Chhattisgarh and Tamil Nadu are leading states, and Punjab has the highest yield. The ranking of states varies by year.
Trade: only about 10 per cent of the output is traded. India is the largest exporter, with about 40 per cent of the world trade, followed by Thailand, Vietnam, Pakistan and the United States. Main importers are the Philippines, Indonesia, China, the European Union, Iran, Saudi Arabia and many African countries.
Export policy: India restricted exports in 2022 and 2023, including a ban on non-basmati white rice from July 2023, to protect domestic prices, and relaxed the curbs from late 2024; the present position should be checked.
Issues: water use, methane emissions, stubble burning, and the large stocks of the government.

Rice also carries cultural meaning across Asia, from harvest festivals such as Pongal, Onam and Bihu to the proverb that a meal is incomplete without it. Rice is the main crop of the Public Distribution System, and the Food Corporation of India holds large buffer stocks, some of which have been released for ethanol and open-market sale. Fortified rice, with iron, folic acid and vitamin B12, is being supplied under welfare schemes to tackle anaemia. Methane from flooded paddies makes rice a significant source of farm greenhouse gases, which gives extra weight to water-saving methods. As an analytical point, rice is the main crop through which the monsoon, the deltas and the water economy of South Asia are tied together, and changing its management is central to India’s water future, as in Water Resources: Utilization, Water Contamination, Conservation Methods.

Why Is This Topic Important?

Conditions Climate and soil
Methods Paddy and SRI
Trade India as top exporter

What Came Next?

The next topic describes maize: growing conditions, production pattern and trade. Next topic: Maize (Corn): Growing Conditions, Production Pattern, International Trade.

Key People and Terms

Paddy Rice plant or unmilled grain
Indica Long-grain rice type
Japonica Short-grain rice type
Puddling Churning flooded soil
Transplanting Moving seedlings to the field
Basmati Aromatic long-grain rice

Exam Corner

Points to Remember

Rice needs over 100 cm of rain and heat.
Asia grows about 90 per cent of the world’s rice.
India is the top exporter.
IR8 came from IRRI in 1966.
Punjab has the highest rice yield in India.

Do Not Confuse With

Indica and japonica Long-grain tropical versus short-grain cooler
Paddy and rice Unhusked grain versus milled grain
Aman and boro Winter versus summer rice of the east

Memory Hook

Hot, wet and flooded: rice grows; transplant, puddle, harvest in rows.

Mains Angle

Questions ask for the distribution of rice and its water use. These points add depth.

Region Monsoon Asia
Water Paddy and groundwater
Trade Export curbs

A Question You May Face

An original practice question, not a past paper question.

“Explain the geographical factors for rice cultivation and discuss the sustainability of the rice-growing systems of north-western India.”

How to Answer

Conditions Climate and soil.
Types Indica and japonica.
Methods Paddy and SRI.
Issues Water and trade.

GS Relevance

Prelims: rice conditions, varieties, methods, states and exporters. GS Paper 1 and 3: crop geography and trade.

Frequently Asked Questions

What are the conditions for growing rice?

Rice needs a hot, humid climate with temperatures of about 20 to 30 degrees Celsius during growth, 100 to 200 centimetres of rainfall or irrigation, and clayey or regur) Acidic leached soil Laterite Desert soil Arid soil, sandy Classification…">alluvial soil that retains water. It is grown on flat or terraced land that can be flooded, and uses a lot of labour.

What are the main types of rice?

The main types are indica, with long grains, grown in the tropics and including basmati; japonica, with short, sticky grains, grown in cooler regions such as Japan and Korea; and javanica, with broad grains, grown in Indonesia. Indica is the most widely grown.

Which countries are the largest producers and exporters of rice?

China and India are the largest producers of rice, with more than half of the world output between them. India is the largest exporter, with about 40 per cent of world trade, followed by Thailand, Vietnam, Pakistan and the United States. The Philippines, Indonesia and African countries are major importers.

What is the System of Rice Intensification?

The System of Rice Intensification is a method in which young seedlings are planted singly at wide spacing, in fields that are kept moist but not flooded all the time, with organic manure and weeding. It saves water and seed, and often raises yields while reducing methane emission.

Why is rice cultivation a concern in Punjab and Haryana?

Rice in Punjab and Haryana is grown in the hot summer with irrigation from tube wells, using much water, which has led to a fast fall in the water table. The burning of paddy straw also causes air pollution in winter. The states are encouraging direct seeding, crop diversification and later transplanting.

PYQ Practice — Statement Analysis

1 India is the largest exporter of rice.

True

With about 40 per cent of the trade.

2 Rice grows best in cool and dry climates.

False

It needs heat and abundant water.

3 Japonica rice has short, sticky grains.