Tractor-Coupled Implements

Topic Content:

These are implements which are coupled to a tractor and towed in order to enable them perform their specific functions.

Examples:

Ploughs, Harrows, Ridgers, Cultivators, Harvesters, Planters, Sprayers, Mower, Baler, Fertilizer applicator.

Primary and Secondary Tillage Implements:

Soil tillageTillage is a technique of manipulating the soil for obtaining conditions ideal for seed germination, seedling establishment and growth of crops. It refers to the process of preparing the soil for... More is a method of soil preparation in order to provide a suitable medium for crop growth. It can also be defined as the practice of aerating the soil to permit moisture and air to permeate, allowing seeds to germinate, encouraging root growth/crop growth, controlling weed growth, and integrating fertilizers into the soil.

Primary Tillage Implements:

These are implements used to break and turn soil over and in so doing, clods or lumps are formed. For example, Plough.

Secondary Tillage Implements:

These are implements used after ploughing, to break down soil clods or lumps into fine ridges, to create proper soil tilthTilth is land that has been ploughed, sowed, and tilled and is ready to be used for raising crops. It is the physical condition of the soil, especially in relation to... More or to pulverizereduce to fine particles. More the soil. Examples include Harrow, Cultivator and Ridger.

Reasons Why Secondary Tillage is Necessary Before Sowing of Seeds:

• Improves soil water percolationPercolation is the downward movement of water through soil layers due to gravity and capillary forces. More.
• Provides fine soil for seed germination.
• Leads to improved soil structure.
• Aids soil aerationSoil aeration is the mechanism of exchange of gases between the atmosphere and soil. It involves perforating the land with small holes for air, water and nutrients to penetrate the grass... More.
• Reduction of