Decreased needle longevity of fertilized Douglas-fir and grand fir in the northern Rockies

Tree Physiology - Tập 20 Số 17 - Trang 1191-1197 - 2000
Nick J. Balster1,2, James D. Marshall1
1Department of Forest Resources, University of IdahoMoscow, ID 83844-1133, USA
2Department of Soil Science, University of WisconsinMadison, WI 53706-1299, USA

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