Course Content
B.Sc. Ag. VI Semester

Initial Cost Estimation: The initial investment for a greenhouse drying system includes costs for construction, materials, equipment, and installation. Here’s a breakdown:

Item

Description

Approximate Cost Range (INR)

Structure Frame

Wood, Metal, or PVC

₹20,000 – ₹50,000

Transparent Covering

Polyethylene Sheets or Glass

₹15,000 – ₹40,000

Drying Racks/Trays

Perforated Metal or Plastic Trays

₹10,000 – ₹30,000

Ventilation System

Natural Vents or Fans (for forced type)

₹5,000 – ₹15,000

Sensors and Controllers

Temperature and Humidity Sensors

₹5,000 – ₹10,000

Labor and Installation

Skilled Labor for Setup

₹10,000 – ₹25,000

Miscellaneous Costs

Transportation, Misc. Materials

₹5,000 – ₹10,000

Total Initial Investment

 

₹70,000 – ₹180,000

Note: Costs may vary based on location, material quality, and system size.

 

Operational Costs Operational costs include expenses for maintenance, power (for forced convection systems), and labor:

Item

Description

Annual Cost Range (INR)

Maintenance

Cleaning, Repairs, and Replacements

₹5,000 – ₹15,000

Electricity (for Fans)

Power Consumption (Forced Convection)

₹3,000 – ₹8,000

Labor Costs

Operation and Monitoring

₹10,000 – ₹20,000

Total Annual Operating Cost

 

₹18,000 – ₹43,000

 

Economic Analysis:

i) Revenue Estimation:
The revenue depends on the quantity and type of product dried, market price, and drying capacity.

  • Drying Capacity: ~200 kg per batch
  • Number of Batches per Year: ~100 (based on crop cycle)
  • Selling Price of Dried Product: ₹100 – ₹300 per kg (varies by product)
  • Annual Revenue:
    Annual Revenue = Drying Capacity × Number of Batches × Selling Price
    = 200 kg × 100 × ₹100 = ₹20,00,000

 

II) Net Profit Calculation:

  • Net Profit = Annual Revenue − Annual Operating Cost
  • = ₹20,00,000 − ₹43,000 = ₹19,57,000

 

III) Payback Period: The payback period is the time required to recover the initial investment from the net profit.

  • Payback Period = Total Initial Investment / Annual Net Profit
  •  = ₹1,80,000 / ₹19,57,000 = 0.09 years (or  1 month)

 

Cost-Benefit Analysis: Benefit-Cost Ratio (BCR):

  • BCR = Annual Revenue / Total Annual Cost
  • = ₹20,00,000 / ₹43,000 = 46.5
  • High BCR indicates the investment is highly profitable.

 

Advantages of Economic Analysis:

  • Helps in decision-making for investment.
  • Identifies profitability and financial feasibility.
  • Aids in securing loans or subsidies for greenhouse projects.

 

Limitations and Considerations:

  • Market fluctuations can impact revenue.
  • Weather conditions affect drying efficiency.
  • Operational efficiency depends on product type and drying method.
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