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Table 1. Overhead costs 20,000 sq. ft. double layer, polyethylene greenhouse.
 

	Annual total cost	Cost per sq. ft.-week of bench area
Overhead labor & benefits	$63,000	$0.079
Utilities
- Heating fuel (13,420 gal.)	13,420	0.017
- Electricity	1,935	0.002
- Telephone	1,273	0.002
Depreciation	25,000	0.031
Interest	15,000	0.019
Insurance	4,852	0.006
Repairs	12,409	0.015
Property taxes	769	0.001
Advertising	716	0.001
Dues & subscriptions	344	0.000
Travel & entertainment	1,697	0.002
Office expenses	796	0.001
Professional fees	1,000	0.001
Truck expenses & equipment rental	14,000	0.017
Land rental	1,565	0.002
Contributions	400	0.000
Miscellaneous	2,800	0.003
Bad debts	700	0.001
Total	$161,675	$0.200

 

 

Table 2. Labor inputs for New Guinea impatiens in 4-inch pots.
 

	Seconds/pot
Transplant plantlet to pot	17.3
Watering & fertilizer application	10.9
Treat for insect control (3 times)	9.8
Treat for disease control (2 times)	2.0
Harvest	23.7
Total seconds	63.6
Total labor cost @ $8/hr.	$0.14

 

 

Table 3. Costs of producing New Guinea impatiens in 4-inch pots.
 

	Finished Flat Costs
	Small	Medium	Large
Variable costs
Rooted cutting1	$0.42	$0.36	$0.34
Pot	0.07	0.06	0.06
Rooting medium	0.02	0.02	0.01
Labels	0.03	0.03	0.02
Fertilizer	0.02	0.01	0.01
Pesticide & fungicide	0.03	0.03	0.02
Labor	0.14	0.14	0.14
Interest on variable costs	0.03	0.03	0.03
Total variable costs	$0.76	$0.67	$0.62
Overhead costs2	0.41	0.30	0.29
Loss allocation	0.06	0.05	0.05
Total per pot	$1.23	$1.03	$0.96

1. 1 cutting per pot.
2. 6 weeks pot-to-pot, 4 weeks on 7-inch centers.

 

 

Table 4. Costs of producing New Guinea impatiens in 4-inch pots.
 

		Size
Production time	Spacing	Small	Medium	Large
	pot-to-pot	0.94	0.81	0.76
6 weeks	6-inch centers	1.12	0.94	0.88
(final spacing	7-inch centers	1.23	1.03	0.96
throughout production)	8-inch centers	1.36	1.13	1.05
	10-inch centers	1.68	1.36	1.28
	pot-to-pot	0.99	0.85	0.79
8 weeks	6-inch centers	1.05	0.89	0.83
(6 weeks pot-to-pot	7-inch centers	1.09	0.92	0.86
2 weeks at final spacing)	8-inch centers	1.13	0.95	0.89
	10-inch centers	1.24	1.03	0.96
	pot-to-pot	1.04	0.88	0.82
10 weeks	6-inch centers	1.15	0.97	0.90
(6 weeks pot-to-pot	7-inch centers	1.23	1.03	0.96
4 weeks at final spacing)	8-inch centers	1.32	1.09	1.02
	10-inch centers	1.53	1.25	1.17
	pot-to-pot	1.08	0.92	0.85
12 weeks	6-inch centers	1.26	1.05	0.98
(6 weeks pot-to-pot	7-inch centers	1.37	1.13	1.06
6 weeks at final spacing)	8-inch centers	1.50	1.23	1.15
	10-inch centers	1.82	1.46	1.38
	pot-to-pot	1.13	0.93	0.89
14 weeks	6-inch centers	1.36	1.13	1.05
(6 weeks pot-to-pot	7-inch centers	1.52	1.24	1.16
8 weeks at final spacing)	8-inch centers	1.69	1.37	1.29
	10-inch centers	2.11	1.68	1.59