Výsledky vyhľadávania
- Detecting Response of Douglas-Fir Plantations to Urea Fertilizer at Three Locations in the Oregon Coast Range
Miller Richard E.
Smith Jim
Anderson Harry W.
Portland : USDA Forest Service , 2001. - 20 s. : obr., tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Precision, Accuracy, and Efficiency of Four Tools for Measuring Soil Bulk Density or Strength
Miller Richard E.
Hazard John W.
Howes Steven
Portland : USDA Forest Service , 2001. - 16 s. : obr., tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Comparative effects of precommercial thinning, urea fertilizer, and red alder in a site II, coast Douglas-fir plantation
Miller Richard E.
Obermeyer Edmund L.
Anderson Harry W.
Portland : USDA Forest Service , 1999. - 25 s. : obr., tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Ammonium nitrate, urea, and biuret fertilizers increase volume growth of 57-year-old Douglas-fir trees within a gradient of nitrogen deficiency
Miller Richard E.
Reukema Donald L.
Hazard John W.
Portland : USDA Forest Service , 1996. - 12 s. : 3 obr., 3 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Initial and continued effects of a release spray in a coastal Oregon Douglas-fir plantation
Miller Richard E.
Obermeyer Edmund L.
Portland : USDA Forest Service , 1996. - 11 s. : 3 obr., 4 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Stand Characteristics of 65-Year-Old Planted and Naturally Regenerated Stands Near Sequim, Washington. Research Paper PNW-RP-482
Miller Richard E.
Anderson Harry W.
Portland : U.S.Department of Agriculture, Forest Service, Pacific Northwest Research Station , 1995. - 11 s.: 3 obr., 3 tab.
xkni - KNIHY
1, z toho voľných 1