马尾松低规格整地造林经济分析

The Economic Analysis of Lowly Standard Site Preparation and Afforestation of Pinus massoniana Lamb.

１９９２年３月选用广西宁明和福建尤溪县马尾松２个种源，在尤溪洋中进行不同种源、不同密度和不同挖穴规格种植试验。结果表明：宁明种源优于尤溪种源；经方差分析两种密度和大、中、小挖穴规格对幼林生长量无显著性差异；应用林木费用价法可看出马尾松速生丰产林营建采用容器苗中、小穴造林可节省造林投资和减少挖穴土方量，并可保持幼林期的生长量。

Two provenances of Pinus massoniana Lamb．were selectcd in Ningming，Guangxi Province andYouxi County，Fujian Province in March，1992 to make a planting experiment on different P.massonianaprovenances，different densities and different hole standards in Yangzhong，Youxi County．The results indi-cated that Ningming Provenance was supcrior to Youxi provenance；two densities and three hole standards（big，middle and small）made no significant differences to the growth increment of young forests throughvariance analysis；and the small一hole afforestation could save the planting investment and reduce the earth-work of digging holes.