ENAE302
Farm Machinery and Equipment
Syllabus
- Introduction (2 hours)
- Objectives of farm mechanization
- Scope and limitations of farm mechanization
- Strategies and policies of farm mechanization: agricultural development strategies; farm mechanization policies; responsible institutions and stakeholders for farm mechanization in Nepal
- Basics of Tillage (2 hours)
- Concept and objectives of tillage
- Physical, chemical and biological effects of tillage on soil properties
- Classification of tillage; new technologies and changing views on tillage
- Primary Tillage Implements (4 hours)
- Mould board plough: history, classification, construction and working principle; accessories, attachments and adjustment; performance, evaluation and draft requirements; forces acting on the plough bottom
- Disc ploughs: introduction and function; types, construction, working principle and uses; accessories, attachments and adjustment; forces acting on plough bottom
- Secondary Tillage Implements (7 hours)
- Harrows: introduction and classification; construction, working principle and function; types; selection and use; forces acting on disk harrow and their analysis
- Rotary tillage tools and implements: types, construction and working principles of rotavator, stirring plough and auger plough; advantages and limitations; forces acting on rotary tillage tools
- Specialized tillage implements and tools: sub-soiler, chisel ploughs, rider, bundformer and puddler
- Tools and implements for intercultural operations: objectives; types, construction and working principle of cultivator; types of intercultural tools (sweep, shovel, hoe, rotary hoe and weeder); horticultural tools and equipments
- Seeding and Planting Machines (4 hours)
- Introduction and classification of seeding and planting machines
- Components and functional elements of machine
- Methods of seeding and planting
- Seeding mechanism, types, construction and working principles of drills and planters
- Types, construction and working principle of paddy trans-planters
- Fertilizer metering devices in drills and planters
- Calibration, performance and efficiency of seed drills and planters
- Furrow openers and covering devices in drills and planters
- Sugarcane and potato planters
- Modern development of climate smart technology
- Machines and Equipment for Plant Protection (3 hours)
- Introduction and objectives of plant protection machines and equipments
- Types of sprayers and dusters
- Working principle and components of sprayers
- Working principle and components of duster
- Methods and techniques of application of pesticide
- Safety in handling plant protection machines
- Selection and calibration of sprayers
- Harvesting Machines (8 hours)
- Crop harvesting methods and their mechanization
- Mowers: types, working principles and constructional details; adjustments and balancing of cutter-bar
- Reapers and windrowers: types, working principle, constructional details, reaper-binder and adjustments and performance
- Harvesters for other crops: working principle and constructional components of potato digger, groundnut harvester, sugarcane harvester and fruit harvesting machinery
- Combined harvesters: working principle, classification and functional components of grain combines; adjustments and trouble-shooting
- Threshing Machines (3 hours)
- Threshing mechanisms and their mechanization
- Types of threshers, their working principles and constructional details
- Factors affecting thresher performance
- Adjustments and trouble-shooting in mechanical threshers
- Chaff and Silage Cutters and Forage Harvesters (2 hours)
- Working principle and constructional details
- Types of cutter heads
- Forage blower, straw baler and silage making machine
- Hill Agricultural Machinery and Tools (2 hours)
- Indigenous wooden plough
- Millet planter, harvester and thresher
- Ginger and turmeric cleaning machines
- Spade, knife and sickle
- Selection and Economics of Farm Machines and Equipment (2 hours)
- Selection criteria of farm machines and equipment
- Cost of operation of farm machines
- Management of farm machines and equipments
- Custom Hiring of Agricultural Machinery and Tractor (2 hours)
- Importance of custom hiring
- Feasibility of custom hiring of farm machine and equipment
Practicals
Tutorial (15 hours)
- Performance, evaluation and draft requirements mould board plough
- Forces acting on the plough bottom (mould board and disc plough)
- Analysis of forces acting on disk harrow
- Calibration, performance and efficiency of seeding and planting machines
- Construction, adjustment and trouble-shooting of threshing machines
- Cost analysis of operation of farm machines
Practical (30 hours)
- Familiarization with farm operations, farm machines and equipment
- Safety measures in farm machinery operation
- Measurement of size of mould board plough and disc plough in the lab and in the field
- Measurement of power requirement in the field by using spring dynamometer for any types of tillage implements
- Determination of efficiency of tillage implements in the field
- Seed drill and planter calibration; uniformity of metering mechanism
- Evaluation of performance of sprayer and mechanical weeder
- Demonstration/operation of sub-soiler and chisel plough
- Observation of paddy trans-planters and seeder
- Observation of mowers and reapers
- Determination of efficiency of mechanical thresher
- Observation of combined harvesters
- Trouble shooting and maintenance of agricultural machineries