Yazar
James L Jenkinson
6 cilt bulundu.
James L. Jenkinson · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station
10 sayfa · 1993
Quality / Sugar pine / Seedlings
James L Jenkinson · Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
16 sayfa · 1973
Ponderosa pine
James L. Jenkinson · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
14 sayfa · 1974
Ponderosa pine
James L. Jenkinson · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
10 sayfa · 1975
Ponderosa pine
James L. Jenkinson · Pacific Southwest Research Station
219 sayfa · 1993
Reforestation / Seedlings / Forest nurseries / Evaluation / Field experiments
James L Jenkinson · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
22 sayfa · 1981
Yellow pines / Growth