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 |