S

Sachin

Question 6GS3GS1

Discuss the different types of irrigation and irrigation systems used in agriculture, highlighting their advantages and disadvantages. (Answer in 250 words) 15 marks

Open scan (p.17)

Introduction

Indian agriculture has the highest irrigation potential amongst land in the world, indicating the high dependence of farmers on different types of irrigation system

24 words

Main Body

Different types of irrigation system with their advantages & disadvantages:

1Well and Tube well - Found in places where ground water is available while water is stored in wells

MERITS:

i) Irregular & cheapest

ii) Sourced nutrient, found, land fertility

iii) Reliable during drought

DEMERITS:

i) Only limited area coverage

ii) Ground water level falls

iii) Sitting issue

2Canal Irrigation - effective source of irrigation in areas with plain topography & extensive watershed areas

Types: - Inundation canal, Perennial canal

MERITS:

i) Prioritized water supply

ii) Insured form production

iii) Bring in more land into agriculture

DEMERITS:

i) Overflow during rainy

ii) Flooding

iii) Suitable for plain area only

3Tank Irrigation - refers to small amount of pond of earth or stone built across a stream

MERITS:

i) Naturally present

ii) Fishing can also be carried

iii) Low cost of constructor

DEMERITS:

i) Lifting of water is [illegible]

ii) Need power & lastly

4Drip Irrigation - means water is supplied near the plant root through dripped at a low rate

MERITS:

i) Most efficient system of well irrigation

ii) Minimize fertigation & nutrient loss

DEMERITS:

i) Initial cost of setup is high

ii) Clogging issue

5Sprinkler Irrigation - water is sprayed into the air & allowed to fall on the ground surface resembling rainfall

MERITS:

i) Suitable to all types of soil

ii) Increasing yield

iii) Water saving

DEMERITS:

i) Major initial cost

ii) Efficiency is related to poor

iii) Need for power supply

There are many other types of irrigation like traditional irrigation systems, & [illegible] irrigation systems, the choice of irrigation system must be based on type of soil, moisture, quality of water, frequency of irrigation required, etc.

However, water use efficiency is the main concern and schemes like [illegible] bund, [illegible], Dip more crop, are steps in right direction

307 words17 paragraphs
  • Comprehensive introduction to Indian irrigation
  • Clear merit-demerit structure
  • Distinguishes between irrigation types
  • Addresses water security concerns

Topper

Sachin

Subject & Paper

GS3GS1

Topic

Agriculture & Water Resources

Irrigation Systems

Types of irrigation

Writing Stats

331

Total words

17

Paragraphs