杉木种子园不同营建方式成本分析

Cost Analysis of Different Establishment Methods for Cunninghamia lanceolata Seed Orchard

摘要:

摘要：本文以现金流、折现值、净现值为指标，引用动态经济评价方法，对湖南省会同县不同建园方式的杉木种子园前期成本进行对比分析。结果表明：新建园先在苗圃培育2年生容器砧木，第3年圃地嫁接，第4年移植至种子园，这种方式相对传统的在园区培育3年生砧木，第4年园区嫁接无性系的建园方式，30 hm2规模前4年投入少37.68万元，节约23.83%，净现值增加40.76万元，增加27.44%，建园方式的创新经济效益显著。

Abstract:

Abstracts:Using the indices of cash flow, discounted value and net present value and by the method of dynamic economic evaluation, the early cost of different establishment methods for Cunninghamia lanceolata seed orchard was compared and analyzed in this paper. The results showed that the investment of the new way that firstly 2-year-old rootstocks were cultivated in container in nursery, and then scions were grafted in nursery in the third years, and at last gratfed seedlings were transplanted to seed orchard in the fourth years was 37.68 thousand Yuan in the scale of 30 hectares in the former four years less than that of the traditional way that in seed orchard 3-year-old rootstocks were cultivated, and then clones were grafted in the fourth year; and the saving ratio of the investment was 23.83%; and the net present value increased by 40.76 thousand Yuan and the increasing proportion was 27.44%. In a word ,the economic benefit of the establishment method innovation was obvious.