Benefit analysis of planting wet loosening

Pine, also known as American pine. Because of its fast growth, high oil output, simple management, and high profitability, it is becoming more and more popular.

【Economic Benefit Analysis】The annual average tree height of young seedlings transplanted grows up to 1 meter. The average annual DBH is 5 centimeters and the height of the tree is 2.5 meters. The average diameter of breasts at 4 years is 11 centimeters, the diameter of breasts at 7 years is 20 centimeters, and the average diameter of breasts grows up to 2.8 years. In cm, the average growth of wood is 12m3 per mu; if it is planted for 15 years, the growth of wood will reach 22m3 per mu.

1. Wood benefit: The pine oleoresin was harvested in the tenth year and felled in the fifteenth year. It can produce 22 m3/mu of wood and is calculated according to the price of 900 yuan/m3 (the market price of hybrid pine timber is higher than that of the same specification in the same period). 19,800 yuan/mu, average benefit: up to 1,320 yuan per mu per year. 2. Rosin Benefits: The beginning of the fat extraction in the 10th year, with 90 strains per acre, each producing 3 kg/year of fat, and a turpentine price of 4 yuan/kg (price since 2006: 4.4 to 5.4 yuan/kg), Annual production of turpentine per acre


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