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Table 5 A comparative cost-benefit analysis of annual crops (wheat and soybean) and Eucalyptus spp.

From: Managing planted forests for multiple uses under a changing environment in China

a) Cost-benefit analysis of growing a wheat and soybean as an annual crop (Unit: CNY/ha)

Two crops in a year: wheat + soybean

Cost

wheat

Soybean

Seed

750

750

Fertiliser

1800

900

pesticide/herbicide

225

225

Plough

600

0

Sowing

525

525

Harvesting

600

600

subtotal

4500

3000

Total cost

7500

Benefit

wheat

Soybean

yield per ha (kg)

6000

1500

unit price

2

3.5

subtotal

12000

5250

Total benefit

17250

Net profit per year per ha

Net profit over 5 years

9750

48750

b) Cost-benefit analysis of growing Eucalyptus spp. (Unit: C NY/ha)

Costs of planting and management

Seedlings(0.5 CNY/plant×1500 plant/ha, including 150 plants for replanting)

750

Planting(0.6 CNY/hole×1500 holes/ha)

900

fertilisers (3.5 CNY/plant×1500 plants/ha)

5250

tending/fertilising(525 CNY/ha×4 times)

2100

subtotal

9000

Costs of harvesting

harvesting and transportation(50 CNY/m3 ×150 m3/ha)

7500

Taxes and dues

6930

subtotal

14430

Total cost (over 5 years)

23430

Benefits

Yield per ha in 5 years (m3)

150

unit price

550

Total benefit (over 5 years)

82500

Net profit

Total over 5 years

59070