The substitution of steel for wooden ploughs in agricultural production is an example of

Updated 11 Apr 2026 · From UPSC Prelims GS Paper I 2015, Q47

Contents10
UPSC Prelims GS2015Indian Economy
  1. Alabour-augmenting technological progress
  2. Bcapital-augmenting technological progress
  3. Ccapital-reducing technological progress
  4. DNone of the above
Show answer

Answer: (B) capital-augmenting technological progress

This question tests a basic concept from economic growth theory.

Think of it practically: when a farmer replaces a wooden plough with a steel plough, what changes?

The TOOL (capital) becomes better and more productive, while the worker (labour) remains the same person doing the same job.

The steel plough can dig deeper, last longer, and work faster than the wooden one — meaning the same capital good is now more productive.

This is capital-augmenting technological progress.

(a) Labour-augmenting technological progress — this would mean making the WORKER more productive while using the same tools.

Examples:

  • teaching a farmer new techniques
  • improving their skills through training
  • providing better education.

The focus is on improving human capability, not the tool itself.

(b) Capital-augmenting technological progress — CORRECT.

This means making the CAPITAL (tools, machines, equipment) more productive.

Replacing a wooden plough with a steel plough is upgrading the tool itself, increasing its productivity.

Other examples:

  • replacing a handloom with a power loom
  • a bullock cart with a tractor.

(c) Capital-reducing technological progress — this would mean achieving the same output with LESS capital.

For example, if a new software allowed a company to close a factory while maintaining the same production.

Replacing wood with steel is not reducing capital — it is improving it.

Answer: Capital-augmenting technological progress.

Simple way to remember:

Better tools/machines = capital-augmenting.

Better trained workers = labour-augmenting.

Why this was asked

Capital-augmenting technological progress means making tools and machines more productive, while labour-augmenting means making workers more skilled or capable.

The steel plough example tests whether students can distinguish between improving the tool itself versus improving the worker's ability to use the tool.

Types of Technological Progress

Indian Economy labour-augmenting technological progress capital-augmenting technological progress capital-reducing technological progress

Types of Technological Progress: Capital vs Labour Augmenting

Must know

Capital-augmenting: Better tools/machines increase productivity of capital

Labour-augmenting: Better skills/training increase productivity of workers

Steel plough replacing wooden plough = capital-augmenting progress

Good to know

Capital-reducing: Same output with less capital investment

Core Concept

Technological progress in economics refers to improvements that increase productivity. The key is identifying what becomes more productive — the worker, the tool, or the overall efficiency of capital use.

Classification by Impact

Type

What Improves

Focus

Example

Labour-Augmenting

Worker productivity

Human skills/capability

Training farmers in new techniques

Capital-Augmenting

Tool/machine productivity

Equipment upgrade

Steel plough replacing wooden plough

Capital-Reducing

Overall efficiency

Less capital needed

Software reducing factory requirements

Agricultural Examples

Tractors replacing bullocks — capital-augmenting (better machine)

HYV seeds replacing traditional varieties — capital-augmenting (better input)

Training on crop rotation techniques — labour-augmenting (better knowledge)

Drip irrigation reducing water usage — capital-reducing (same output, less input)

Question Context

The steel plough vs wooden plough example tests whether students can identify that upgrading the tool itself (not the farmer's skills) makes this capital-augmenting technological progress.

Exam traps

Trap: Confusing labour-augmenting with capital-augmenting — remember the tool gets better, not the worker

Trap: Thinking any technological change is labour-augmenting — focus on what specifically improves

Memory aid: Better tools = capital-augmenting, Better training = labour-augmenting

Agricultural Mechanization in India

Indian Economy steel wooden ploughs agricultural production

Agricultural Mechanization: From Traditional to Modern Implements

Must know

India's farm mechanization increased from 40% in 2001 to 60%+ by 2020

Small farmers still rely heavily on traditional wooden implements

Good to know

Tractorization grew fastest — from 1.8 million to 7+ million tractors

Steel ploughs can increase productivity by 15-25% over wooden ones

India's agricultural mechanization involves replacing traditional implements with modern machinery. This transition varies significantly across regions, with Punjab, Haryana leading and eastern states lagging behind.

Traditional vs Modern Implements

Function

Traditional Tool

Modern Alternative

Productivity Gain

Ploughing

Wooden plough

Steel plough/Tractor

15-25% faster

Sowing

Manual broadcasting

Seed drill

10-15% less seed waste

Harvesting

Sickle/Scythe

Combine harvester

80% time reduction

Threshing

Cattle trampling

Threshing machine

50% labour reduction

Mechanization Drivers

# Agricultural Mechanization
## Government Support
- Subsidies on machinery
- Custom Hiring Centers
- RKVY scheme
## Economic Factors
- Rising labour costs
- Labour shortage
- Economies of scale
## Challenges
- Small farm size
- High machinery cost
- Lack of credit

Regional Patterns

Punjab leads with 95%+ mechanization — Green Revolution legacy

Uttar Pradesh has highest absolute number of tractors but low per-hectare density

Eastern states like Bihar, West Bengal still rely heavily on traditional tools

Custom Hiring Centers help small farmers access modern machinery without ownership