Lever System and Dhekli: Traditional Irrigation Techniques
The question asks about the traditional methods of Lever system and Dhekli. Let's understand what these are and their purpose in agriculture.
Understanding Lever Systems in Agriculture
A lever system is a simple machine that utilizes a rigid bar or beam that pivots around a fixed point called a fulcrum. By applying a force at one point, it can lift or move a load at another point. This principle is widely used in various traditional tools.
Dhekli: A Traditional Water-Lifting Device
The 'Dhekli' is a classic example of a lever-based tool used predominantly in rural areas for lifting water from wells. It typically consists of:
- A long pole (the lever) pivoted on a support (the fulcrum), often a frame or a Y-shaped branch.
- A rope or bucket attached to one end of the pole to draw water.
- A counterweight (like a stone or mud) attached to the other end.
By pushing down on the weighted end, the bucket end rises, making it easier to lift water. This mechanism significantly reduces the effort required to draw water, making it a vital tool for farmers.
Dhekli's Role in Irrigation
Since the Dhekli is primarily used to lift water from wells or other sources, its main function relates directly to providing water for crops. This process is known as irrigation.
Analyzing Other Agricultural Methods
Let's consider why the other options are less likely:
- Cultivation: This involves preparing the soil. While tools are used, Dhekli is not directly involved in tilling or soil preparation.
- Sowing: This is the process of planting seeds. Traditional sowing methods use different tools like seed drills or manual broadcasting, not water-lifting devices.
- Harvesting: This involves reaping mature crops. Tools like sickles or scythes are used for harvesting, unrelated to the Dhekli's function.
Therefore, the lever system, exemplified by the Dhekli, is a traditional method specifically employed for irrigation.
Important Questions from Agriculture
Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land?
Directions: The following 05 (Five) items consist of two statements, Statement I and Statement II. Examine these two statements carefully and select the answers to these items using the code given below:
Statement I: India has a wide variation in population density.
Statement II: Factors like agricultural productivity and the history of the settlement have greatly influenced the population density pattern in India.
Which of the following are the characteristics of organic farming?
1. Use of chemical fertilizers to improve soil fertility.
2. Frequent decomposing and fallowing.
3. Use of herbs to control pests.
4. Higher productivity per hectare.
Select the correct answer using the code given below:
A farmer in a semi-arid area claims that his farming practice is very environment friendly. Which of the following practices on his farm can justify his claim?
1. Planning a tree belt.
2. Practising crop rotation.
3. Carrying out a large scale irrigation system
4. Using organic fertilizers.
Select the correct answer using the code given below:
Which of the following statements about the Livestock sector in India is/are correct?
1. Livestock contributed about 25 per cent of gross value added in agriculture.
2. It provides self-employment to a large segment of the population
3. The rapid growth of the livestock sector can be egalitarian inclusive
Select the correct answer using the code given below:
