Protected Cultivation and Post-Harvest Technology (Paper Code: 17010509)

Green house technology: introduction, types of green houses; plant response to green house environment, planning and design of greenhouses, design criteria of greenhouse for cooling and heating purposes;

green house equipment, materials of construction for traditional and low cost green houses; irrigation systems used in greenhouses, typical applications, passive solar green house, hot air green house heating systems, greenhouse drying.

Cost estimation and economic analysis; choice of crops for cultivation under greenhouses, problems/constraints of greenhouse cultivation and future strategies; growing media, soil culture, type of soil required, drainage, flooding and leaching, soil pasteurization in peat moss and mixtures, rock wool and other inert media, nutrient film technique (NFT)/hydroponics.

Threshing, threshers for different crops, parts, terminology, care and maintenance; winnowing, manual and power operated winnowers, care and maintenance; groundnut decorticators, hand operated and power operated decorticators,

principles of working, care and maintenance; maize shellers and castor shellers ; drying, grain drying, types of drying, types of dryers; storage, grain storage, types of storage structures.

Fruits and vegetables cleaning, machinery for cleaning of fruits and vegetables, care and maintenance; grading, methods of grading, equipment for grading of fruits and vegetables, care and maintenance;

5

5

4

Study of different types of green houses based on shape, construction and cladding materials; calculation of air rate exchange in an active summer, winter cooling system; calculation of rate of air exchange in an active winter cooling system; estimation of drying rate of agricultural products inside green house; testing of soil and water to study its suitability for growing crops in greenhouses; the study of fertigation requirements for greenhouses crops and estimation of E.C. in the fertigation solution; the study of various growing media used in raising of greenhouse crops and their preparation and pasteurization/sterilization; visit to commercial green houses; study of threshers, their components, operation and adjustments; winnowers, their components, operation and adjustments; study of different components of groundnut decorticator; study of maize shellers; study of castor shellers; study of improved grain storage structure; study of dryers; study of cleaners and graders.; visit to post harvest technology unit.