hello sir
Polyhouse can be divided in to two types
a) Naturally ventilated polyhouse
These polyhouse do not have any environmental control system except for the provision of adequate ventilation and fogger system to prevent basically the damage from weather aberrations and other natural agents..
b) Environmental controlled polyhouse
This type of polyhouse helps to extend the growing season or permits off-season production by way of controlling light, temperature, humidity, carbon-dioxide level and nature of root medium.
Fixed costs
1. Land and development 4.0
2. Green house 13.0
3. Cold storage 10.0
4. Grading and packing room 5.0
5. Office area 2.5
6. Refrigerated van 1.0
7. Generator set 2.0
8. Power supply installations 1.5
9. Water supply system, drip irrigation and misting liners 6.0
10. Planting material and planting 30.0
Total fixed cost 76.5 lakhs
Total recurring cost 166.2
for rose flower
Total exportable flowers /ha @ 100 flowers /plant = 60 lakhs flowers
Gross income through exports @ 50 flowers/plant = 300 lakhs (minimum).