UNIT 1:
Farm mechanization–Objectives.Tillage-Objectives-Methods–Primary tillage implements- Secondary tillage implements
Scope and benefits of farm mechanization- Constraints. Different ploughing methods.
Disc plough- Force representation on disc– Types of disc ploughs
Farm mechanization–Objectives.Tillage-Objectives-Methods–Primary tillage implements- Secondary tillage implements
Sub soiler plough-Rotary plough–Spading machine- Coir pith applicators.
Farm mechanization–Objectives.Tillage-Objectives-Methods–Primary tillage implements- Secondary tillage implements
Mould board plough- Attachments–Mould board Shapes and types
Mould board plough- Attachments–Mould board Shapes and types
Disc plough- Force representation on disc– Types of disc ploughs
Scope and benefits of farm mechanization- Constraints. Different ploughing methods.
Scope and benefits of farm mechanization- Constraints. Different ploughing methods.
Sub soiler plough-Rotary plough–Spading machine- Coir pith applicators.
UNIT 2:
Junior hoe - Guntaka - Blade harrow - Dry land weeders - tractor mounted and engine operated sweeps.
Calculation of performance parameters -field capacity, efficiency, application rate and losses- performance requirements- cost analysis of implements and tractors.
Hitch systems and hitching of tillage implements- virtual and real hitching for single point, single axis and double hitch
Hitch systems and hitching of tillage implements- virtual and real hitching for single point, single axis and double hitch
Calculation of performance parameters -field capacity, efficiency, application rate and losses- performance requirements- cost analysis of implements and tractors.
Calculation of performance parameters -field capacity, efficiency, application rate and losses- performance requirements- cost analysis of implements and tractors.
UNIT 3:
-Type of Mould board plough and its functions- Theoretical furrow slice inversion- Design of mould board plough bottom
-Type of Mould board plough and its functions- Theoretical furrow slice inversion- Design of mould board plough bottom
Design of disk for different tools, spacing in multi disk implements, forces acting on vertical and inclined disk
Design of disk for different tools, spacing in multi disk implements, forces acting on vertical and inclined disk
UNIT 4:
Crop planting -Methods -Row crop planting systems
Crop planting -Methods -Row crop planting systems
Devices for metering seeds–furrow openers– Furrow closers-types–Types of seed drills and planters
Design of seed metering mechanism -Drill calibration
Design of seed metering mechanism -Drill calibration
Application of fertilisers - Metering devices – Seed cum fertiliser drill – application of liquid fertilisers
UNIT 5:
Sprayers – Classifications - Parts and accessories - Atomizers - Agitators
Determination of particle size and distribution. Number Median Diameter (NMD) and Volume Median Diameter (VMD)
Sprayer operation – Boom sprayer - Precaution - Coverage
Factors affecting drift. Rotating disc sprayers – Controlled Droplet Application (CDA)
Electrostatic sprayers - Arial spraying. Dusters - types
Mist blower cum duster - Other plant protection devices, care and maintenance
Mist blower cum duster - Other plant protection devices, care and maintenance
