共 50 条
- [21] Response of Douglas-fir and amabilis fir to split-root nutrition with inorganic and organic nitrogen [J]. Trees, 2008, 22 : 329 - 335
- [29] THINNING METHOD AND RESPONSE TO UREA IN DOUGLAS-FIR [J]. FOREST SCIENCE, 1975, 21 (04) : 418 - 420