Comparative cone production in young red pine planted at different spacing
Stielt, W. M.
Comparative cone production in young red pine planted at different spacing - Ottawa : Canadian Forestry Service. Departament of the Environment, 1971 - 8 p. : gráfs.
57975
Árboles--Espaciamiento.
Conos.
Pinus resinosa.
Comparative cone production in young red pine planted at different spacing - Ottawa : Canadian Forestry Service. Departament of the Environment, 1971 - 8 p. : gráfs.
57975
Árboles--Espaciamiento.
Conos.
Pinus resinosa.