Root volume as a grading criterion to improve field performance of Douglas-fir seedlings

Abstract

Three seed sources of 2+0 Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] seedlings were graded into three root-volume categories (<9, 9–13, and >13 cm3) and outplanted to determine (i) differences in survival and growth after one and two growing seasons in the field, (ii) relationship(s) of seedling height after one and two seasons to preplanting… (More)
DOI: 10.1007/BF00028111

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