摘要
<正>本文根据田间试验测定数据,用因子分析方法,以湿地松为对象,对苗木质量及其分级依据进行了初步分析。结果表明:湿地松苗木分级可按因子得分y_1、y_2作为指标;不同等级苗木之间在生理指标上也存在差异。
Abstract
In accordance with the datum of the field test and investigation, taking factors analysis regarding Pinue elliotii seedlings as object a preliminary study has been made on quality of seedlings and classifications accordingly. The results are as follows: the factors score y1 and y2 are possibly the clas-sificatory index of Finus ellioltii seedlings, and the seedlings of various classifications have different physiological index.
黄宝龙;刘成林.
湿地松苗木品质指标的选择与分级[J]. 南京林业大学学报（自然科学版）. 1988, 12(03): 15-23 https://doi.org/10.3969/j.jssn.1000-2006.1988.03.002
Huang Bao long (Nanjing Forestry University)Liu Cheng lin.
SELECTIONS AND CLASSIFICATIONS OF QUALITATIVE INDEX OF PINUS ELLIOTTII SEEDLINGS[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 1988, 12(03): 15-23 https://doi.org/10.3969/j.jssn.1000-2006.1988.03.002
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