摘要
主要阐述了通过采取抽样调查的方法来确定苗木的产量精度和质量精度的方法步骤,进而计算出苗圃苗木的预产苗量和苗木的质量指标。
This article quality of the nursery mainly expatiates the process of determining the accuracy of output and stock by sampling survey and thereby figures out the expected seedling output and quality index of nursery stock.
出处
《河北林果研究》
2012年第1期31-33,共3页
Hebei Journal of Forestry and Orchard Research
关键词
苗木调查
抽样调查
产量精度
质量精度
粗估
样地
预产苗量
nursery stock survey sampling survey
output accuracy
quality accuracy pre-estimate
plot
expected seedling output
