Comprehensive Study Guide & Exam Revision Overview: Major Crops - AHC RO/ARO Study Guide

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Major Crops

Master the classification of major food, cash, fiber, and plantation crops of India and the world, along with their climatic requirements and producing regions.

Chronological Evolution of Major Crops

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Major Crops Core Study Notes

Review the classification of food, cash, fiber, and plantation crops.

1. Cropping Seasons in India

Indian agriculture is dominated by three main cropping seasons based on temperature and monsoon patterns:

  • Kharif Season: Coincides with the Southwest Monsoon. Sown in June-July and harvested in September-October. Requires high temperature (above 25°C) and high rainfall. Crops: Paddy, Maize, Jowar, Bajra, Cotton, Jute, Groundnut, Soybean.
  • Rabi Season: Sown in winter (October-December) and harvested in spring/summer (April-June). Requires cool climate during growth and warm, dry climate at ripening. Crops: Wheat, Barley, Gram, Peas, Mustard.
  • Zaid Season: Sown in the short dry summer interval between March and June. Crops: Watermelon, Cucumber, Muskmelon, Bitter gourd, Fodder crops.
Climatic Requirements of Major Crops RICE (Kharif) Temp: > 25°C Rainfall: > 100 cm Soil: Alluvial / Clayey India 2nd in World WHEAT (Rabi) Temp: 10-15°C (grow) Rainfall: 50-75 cm Soil: Well-drained Loamy Punjab, UP, Haryana COTTON (Kharif) Temp: 21-30°C Frost Free: 210 Days Soil: Black / Regur Gujarat, MH Lead

2. Major Food Crops: Rice, Wheat & Millets

Food crops form the backbone of agricultural output and food security in India.

  • Rice (Oryza sativa): The staple food crop of a majority of Indians. It requires clayey loam soil which holds water. Major states: West Bengal, Uttar Pradesh, Punjab, Andhra Pradesh. India has the largest area under rice cultivation in the world.
  • Wheat (Triticum aestivum): The second most important cereal crop. Practiced as a Rabi crop. Grows well in cool climates and requires loam or clay-loam soils. Major states: Uttar Pradesh, Punjab, Haryana, Madhya Pradesh.
  • Millets (Coarse Grains): Highly nutritious and drought-resistant crops. Examples: Jowar, Bajra, and Ragi. Grown on sandy or shallow black soils. Rajasthan, Maharashtra, and Karnataka are leading producers.

3. Cash & Fiber Crops: Sugarcane, Cotton & Jute

Cash crops are grown primarily for sale in the market rather than self-consumption. Fiber crops provide raw materials to textile industries.

  • Sugarcane: A tropical and sub-tropical crop. It grows well in hot and humid climates with a temperature of 21°C to 27°C and annual rainfall between 75 cm and 100 cm. India is the second-largest producer of sugarcane after Brazil. Uttar Pradesh is the leading state.
  • Cotton: A key raw material for the cotton textile industry. Grown as a Kharif crop. Requires high temperature, light rainfall/irrigation, and 210 frost-free days. Gujarat, Maharashtra, and Telangana are the top producers.
  • Jute: Requires well-drained fertile soils in flood plains where soils are renewed every year. High temperature is needed. Grown extensively in the Ganga-Brahmaputra delta (West Bengal and Assam).

4. Beverage Crops: Tea & Coffee

Beverages are grown as plantation crops on hilly slopes to ensure water does not stagnate around the roots.

  • Tea: An evergreen plant that grows well in tropical and sub-tropical climates. Requires deep, fertile, well-drained acidic soil rich in humus. Warm and moist frost-free climate throughout the year is vital. Frequent showers distributed evenly over the year ensure continuous growth of tender leaves. Assam, West Bengal (Darjeeling), and Tamil Nadu lead production.
  • Coffee: Requires warm and wet climate with deep loamy soil. It is sensitive to direct sunlight, hence grown under shade trees. The Arabica variety, initially brought from Yemen, is widely grown in India. Major states: Karnataka (accounts for over 70%), Kerala, Tamil Nadu.

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