林业经济问题
林業經濟問題
임업경제문제
Problems of Forestry Economics
2011年
4期
334~336
,共null页
袁铁象 杨章旗 覃荣料 蒙春江
袁鐵象 楊章旂 覃榮料 矇春江
원철상 양장기 담영료 몽춘강
湿地松 人工林 松脂 经济效益
濕地鬆 人工林 鬆脂 經濟效益
습지송 인공림 송지 경제효익
Pinus ellottii Engelm; plantation; tapping; economic benefit
湿地松早期生长迅速,如何使湿地松最快地产生经济效益就显得十分重要。本试验通过对广西环江毛南族自治县华山林场5年生湿地松人工林进行采脂试验,结果表明:湿地松早期采脂经济效益显著,具有较高的获利能力,采脂林分NPV(16 089.13)、IRR(39.2%)均远高于未采脂林分NPV(-3 165.91)、IRR(-2.2%)。同时可带来相当可观的劳动力需求,具有良好的社会效益。采脂对湿地松的生长有一定的影响,松脂产量与其胸径相关紧密。
濕地鬆早期生長迅速,如何使濕地鬆最快地產生經濟效益就顯得十分重要。本試驗通過對廣西環江毛南族自治縣華山林場5年生濕地鬆人工林進行採脂試驗,結果錶明:濕地鬆早期採脂經濟效益顯著,具有較高的穫利能力,採脂林分NPV(16 089.13)、IRR(39.2%)均遠高于未採脂林分NPV(-3 165.91)、IRR(-2.2%)。同時可帶來相噹可觀的勞動力需求,具有良好的社會效益。採脂對濕地鬆的生長有一定的影響,鬆脂產量與其胸徑相關緊密。
습지송조기생장신속,여하사습지송최쾌지산생경제효익취현득십분중요。본시험통과대엄서배강모남족자치현화산림장5년생습지송인공림진행채지시험,결과표명:습지송조기채지경제효익현저,구유교고적획리능력,채지림분NPV(16 089.13)、IRR(39.2%)균원고우미채지림분NPV(-3 165.91)、IRR(-2.2%)。동시가대래상당가관적노동력수구,구유량호적사회효익。채지대습지송적생장유일정적영향,송지산량여기흉경상관긴밀。
Slash Pine is rapid to grow in early,how to make it to produce economic benefits quickly is important.In this experiment,5 years old Slash Pine plantation was tapped to study in Huashan forest farm of Huanjiang Maonan autonomous County of Guangxi.The results showed that the economic benefit of early tapping on Slash Pine trees is notable,and profitability is very high,the NPV and IRR of tapped stand are much higher than that of not tapped.Tapping also brings considerable labor demand and have good social benefit,but have some influence to the growth of trees.Resin yield was associated with diameter of brest-height.