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计算苗圃面积方法很多。本文试图简化计算方法,同时得到各树种苗木在苗圃培育一个周期的育苗面积及其不同苗龄型的育苗作业面积和育苗休闲面积。一、计算方法的依据森林苗圃面积计算,是根据林业发展规划的年度造林计划,造林树种面积比例与合格苗木量可供造林面积为依据。根据技术标准,培育周期二年以上(含二年)出圃的苗木必须移植。所以,某树种
There are many ways to calculate nursery area. In this paper, we try to simplify the calculation method, at the same time, get the nursery area of nursery seedlings of each species and their nursery area and nursery leisure area of different seedling ages. I. Basis for Calculation The calculation of the area of forest nursery is based on the annual afforestation plan of the forestry development plan, the area proportion of tree species under afforestation and the amount of afforestation area available for afforestation. According to technical standards, nurturing nursery plants with a period of more than two years (including two years) must be transplanted. So, a tree species