黑龙江省森工林区育苗生产中的计划管理

• 作 者: 孔中东 杨斌章 杨伟华 寇小东
• 机 构: 黑龙江省森工总局,黑龙江省森工总局,黑龙江省森工总局,黑龙江省森工总局
• 出 处: 林业科技
• 发表日期: 1993年06期
• 关键词: 育苗生产 育苗面积 森工 苗木生产 计划管理 保苗率 施业区 采伐方式 成苗率 作业质量

1 现状黑龙江省森工系统共有苗圃437处,苗圃总面积51672.5亩,可育苗面积39854.4亩,每年实际育苗面积约28900亩。多年来育苗生产没有一套严格的计划管理系统,造成很大的损失和浪费。每年可育苗8亿株,按成苗率80%、换育成活率95%、幼苗利用率80%、保苗率60%计算,每年幼苗产量为20亿株,而全省造林实际需要苗木5亿株左右,除极少数外调外。均留在圃地占用土地或起

1 Status of Forest Industry in Heilongjiang Province, a total of 437 nurseries, the total area of ​​51,672.5 acres of nursery, fertile area of ​​39,854.4 mu, the actual annual nursery area of ​​about 28,900 acres. Over the years nursery production does not have a strict plan management system, causing great losses and waste. 800 million seedlings per year, according to the seedling rate of 80%, 95% survival rate of seedlings, seedling utilization rate of 80%, seedling rate of 60%, annual seedlings production of 2 billion plants, and the actual needs of afforestation 500 million seedlings Strain left, with the exception of a handful of outsiders. All the land left in the land occupied or from