Thermoperiods and soil temperatures as they affect growth and dormancy of Douglas-fir seedlings of different geographic originDenis P. Lavender · First published 1972Open the Tome
Date of lifting for survival of Douglas-fir seedlingsDenis P. Lavender · First published 1964Open the Tome
Sonic treatment of Douglas fir and ponderosa pine seeds and seedlingsDenis P. Lavender · First published 1964Open the Tome
The growth of seedlings of some coniferous species in a controlled environmentDenis P. Lavender · First published 1962Open the Tome
Effect of field stratification on Douglas Fir seed germinationDenis P. Lavender · First published 1958Open the Tome
Effect of ground cover on seedling germination and survivalDenis P. Lavender · First published 1958Open the Tome
Vegetative factors influencing the germination and survival of Douglas-fir seeds and seedlings in the Tillamook BurnDenis P. Lavender · First published 1958Open the Tome
Viability of Douglas fir seed after storage in the conesDenis P. Lavender · First published 1958Open the Tome
Viability of seeds from squirrel-cut Douglas fir conesDenis P. Lavender · First published 1956Open the Tome
Western hemlock seed germination after exposure to varying temperatures and humiditiesDenis P. Lavender · First published 1956Open the Tome
Ponderosa pine seed germination after exposure to varying temperatures and humiditiesDenis P. Lavender · First published 1955Open the Tome
Douglas fir seed germination after exposure to varying temperatures and humiditiesDenis P. Lavender · First published 1954Open the Tome
Field and laboratory tests of some forest rodent control preparationsDenis P. Lavender · First published 1952Open the Tome
