Chapter 7: Problem 48
What are the three different parts of a wooden plough?
Short Answer
Expert verified
Answer: The three different parts of a wooden plough are the beam, ploughshare and moldboard, and the handle.
Step by step solution
01
Part 1: The Beam
The first part of the wooden plough is the beam. The beam is the central and most prominent part of the plough. It acts as the main body of the plough, connecting all the other parts together, and is responsible for bearing the weight and force of the plough as it is pulled through the soil. The beam is typically made of a strong and durable wood, such as oak or ash, and is often curved in shape to facilitate smoother movement through the soil.
02
Part 2: Ploughshare and Moldboard
The second part of the wooden plough consists of the ploughshare and the moldboard. The ploughshare is a sharp, wedge-shaped piece of metal or wood that cuts into the soil as the plough moves forward. It helps to break up the soil, making it easier for the moldboard to then turn over the soil. The moldboard is a slightly curved (often wooden) surface that is located behind the ploughshare. As the ploughshare cuts through the soil, the moldboard lifts and turns over the soil, creating a furrow. This is an essential function of the plough, as it helps to aerate the soil, bury weeds, and create a good seedbed for planting.
03
Part 3: The Handle
The third part of the wooden plough is the handle. The handle, sometimes called the stilt, is the part of the plough that the ploughman holds onto and uses to guide and control the movement of the plough. It is usually made from wood and is often adjustable, allowing the ploughman to find the most comfortable position for working. The handle is connected to the beam and provides the necessary leverage for the ploughman to control the depth and direction of the ploughing.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Beam in Agriculture
The beam plays a crucial role in agricultural ploughs as it serves as the backbone of the equipment.
Constructed from resilient woods like oak or ash, the beam must withstand the considerable stresses of ploughing. It connects all other parts of the plough, ensuring the implement remains intact and functions as a coherent unit.
Constructed from resilient woods like oak or ash, the beam must withstand the considerable stresses of ploughing. It connects all other parts of the plough, ensuring the implement remains intact and functions as a coherent unit.
- Acts as support for the entire plough structure
- Curved design promotes ease of soil penetration
- Makes the connection with the draft animal or tractor
Ploughshare and Moldboard
The combination of the ploughshare and the moldboard defines the effectiveness with which a plough turns soil.
The ploughshare, often constructed from durable metal, acts like the cutting edge, breaking into the hard soil during ploughing. Its wedge shape is key to reducing soil resistance. Behind it, the moldboard performs the critical task of soil inversion.
The ploughshare, often constructed from durable metal, acts like the cutting edge, breaking into the hard soil during ploughing. Its wedge shape is key to reducing soil resistance. Behind it, the moldboard performs the critical task of soil inversion.
- The ploughshare initiates the cut into the soil.
- The moldboard lifts and flips the cut soil, aiding in aeration.
- Together, they contribute to weed control and prepare a seedbed.
Agricultural Plough Design
The design of agricultural ploughs is the product of centuries of innovation, geared towards optimizing the cultivation of soil.
Modern designs consider factors such as soil type, crop being cultivated, and environmental conservation. Ergonomics also plays a role, ensuring that the plough is efficient and comfortable for the operator.
Modern designs consider factors such as soil type, crop being cultivated, and environmental conservation. Ergonomics also plays a role, ensuring that the plough is efficient and comfortable for the operator.
- Materials chosen for durability and strength.
- Shapes and angles honed for minimal soil resistance.
- Incorporates features for precision and ease of use.
Functions of a Plough
A plough is much more than an agricultural tool; it is central to preparing land for cultivation.
Its functions are diverse: breaking and aerating the soil, controlling weeds, and mixing organic matter and nutrients into the soil.
Its functions are diverse: breaking and aerating the soil, controlling weeds, and mixing organic matter and nutrients into the soil.
- Aerates the soil, promoting root growth and microbial activity.
- Weed control is achieved by burying them under the turned soil.
- Helps to create an even and fertile seedbed for crop sowing.
Soil Aeration and Ploughing
Soil aeration is a key benefit of the ploughing process.
When the ploughshare cuts through the soil and the moldboard turns it over, air is introduced into the soil's ecosystem. This aeration is crucial for healthy plant growth as it allows roots to breathe and improves water and nutrient absorption.
When the ploughshare cuts through the soil and the moldboard turns it over, air is introduced into the soil's ecosystem. This aeration is crucial for healthy plant growth as it allows roots to breathe and improves water and nutrient absorption.
- Enhances soil structure and prevents compaction.
- Promotes stronger root systems for plants.
- Encourages beneficial microorganisms that aid plant growth.