UNIT 1:
Farm mechanization–Objectives. Tillage-Objectives-Methods
Farm mechanization–Objectives. Tillage-Objectives-Methods
Primary tillage implements- Secondary tillage implements, Animal drawn ploughs -Construction.
Disc plough- Force representation on disc– Types of disc ploughs
Disc plough- Force representation on disc– Types of disc ploughs
Sub Soiler plough-Rotary plough–Spading machine- Coir pith applicators.
Mould board plough- Attachments–Mould board Shapes and types
Sub Soiler plough-Rotary plough–Spading machine- Coir pith applicators.
Disc plough- Force representation on disc– Types of disc ploughs
Sub Soiler plough-Rotary plough–Spading machine- Coir pith applicators.
UNIT 2:
Cultivators- types-construction. Disc harrows-Bundformer- ridger– Leveller. Basin lister- implements for wetland preparation.
Hitch systems and hitching of tillage implements- virtual and real hitching for single point, single axis and double hitch
Mechanics of animal traction- functional requirements, principles of working. Weeding and Interculture equipment- Junior hoe - Guntaka - Blade harrow
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
Dry land weeders - tractor mounted and engine operated sweeps.
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
UNIT 3:
Soil tillage- Forces analysis of tillage tools and their measurement
Soil tillage- Forces analysis of tillage tools and their measurement
forces acting on vertical and inclined disk- Cultivators and their application- Design of different soil engaging tools such as shovel and sweep
Introduction of disk implements and their design consideration-Design of disk for different tools, spacing in multi disk implements,
Theoretical furrow slice inversion- Design of mould board plough bottom- Standard dimensions of plough share and land side
UNIT 4:
Crop planting -Methods -Row crop planting systems
Devices for metering seeds–furrow openers– Furrow closers-types–Types of seed drills and planters.
Design considerations of seed and fertilizer box and frame
Design of seed metering mechanism -Drill calibration
Application of fertilisers - Metering devices – Seed cum fertiliser drill – application of liquid fertilisers.
Paddy and potato planters and sugar cane planter
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.
Factors affecting drift. Rotating disc sprayers – Controlled Droplet Application (CDA)
