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