论文部分内容阅读
本项研究得到了２年生换床落叶松苗氮、磷、钾三要素吸收、积累与分配的变化规律，为苗圃合理施肥提供了基本依据。
In this study, the variation regularity of absorption, accumulation and distribution of nitrogen, phosphorus and potassium of two-year-old larch seedlings was obtained, which provided the basic evidence for rational fertilization of nursery.