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Figure 6: Vegetable yields and derived statistics 1997 (from 70 square metre plot, second year of cropping. No. 24 Pentrerhedyn St., Machylleth)
Yields Gross weight of produce Total cash value at organic prices (rounded)	108kg £160
Costs Direct cash costs 0.1 of this year's infrastructure costs 0.1 of previous infrastructure costs Costs attributable to 1997	£29 8 12 49
Net value of crops for 1997 (£160-£49)	£111
Time Direct logged time in 1997 0.1 of 1997 infrastructure time 0.1 of previous infrastructure time Time attributable to 1997	73 hours 2 10 85 hours
Derived statistics Yield per hectare Return on land Return on labour	15.4 tonnes £16,000 per hectare £1.30 per hour
Proportion of household food expenditure	4%
Proportion of total household expenditure	0.6%