Class 12 Geography - KERALA

Land Resources and Agriculture

The chapter 'Land Resources and Agriculture' in Kerala SCERT Class 12 Geography explores the patterns of land use, degradation, and conservation of land resources, alongside the structural characteristics of Indian and Kerala agriculture. It highlights the transition from traditional farming to modern scientific techniques, cropping seasons, major food and cash crops, and the socio-economic challenges faced by farmers. For board exams, this chapter is extremely important as it connects theoretical geographical concepts with real-world agrarian issues in India and Kerala, frequently featuring questions on land-use changes, agricultural types, and regional disparities in crop production.

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Key Concepts

Land-use Categories

Classification of land based on its economic function, including net sown area, forests, fallow lands, and land put to non-agricultural uses.

Common Property Resources (CPRs)

Land and resources owned by the community or government, accessible to all members for grazing, fuel wood collection, and livelihood support.

Cropping Seasons in India

The three distinct agricultural seasons—Kharif, Rabi, and Zaid—determined by monsoon patterns and temperature conditions.

Intensive Subsistence Agriculture

A labor-intensive farming system prevalent in densely populated regions like Kerala, aimed at maximizing yields from small landholdings.

Agricultural Land Degradation

The decline in soil productivity caused by soil erosion, waterlogging, salinization, and excessive use of chemical fertilizers.

Important Formulas

Net Sown Area: The total area sown with crops and orchards in a year, counted only once.
Gross Cropped Area: The total area sown once and/or more than once in a particular year, including multiple cropping.
Cropping Intensity = (Gross Cropped Area / Net Sown Area) × 100
Agricultural Productivity = Total Agricultural Output / Total Agricultural Input (or area)

Board Exam Info

This chapter typically carries around 6 to 8 marks in the Kerala SCERT Class 12 Geography board examination. Common question types include direct definitions of land-use categories, differentiating between Kharif and Rabi crops, short notes on problems of Indian agriculture, and map-based questions identifying major crop-producing regions.

Frequently Asked Questions

What is the difference between Net Sown Area and Gross Cropped Area?

Net Sown Area is the actual physical land cultivated with crops in a year, counted once. Gross Cropped Area includes the net sown area plus land cultivated more than once in the same year by taking multiple crops.

Why is land degradation a major concern in India?

Land degradation reduces soil fertility and agricultural productivity, threatening food security. It is primarily caused by deforestation, overgrazing, shifting cultivation, and excessive use of chemical fertilizers and irrigation.

What are the major features of agriculture in Kerala?

Kerala agriculture is dominated by plantation crops and commercial crops like rubber, tea, coffee, coconut, and spices, characterized by small and fragmented landholdings and high dependence on the monsoon.

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