1-5 of 5 Books

Effects of watering treatments on germination, survival, and growth of Rocky Mountain Douglas Fir : a greenhouse study
By D.L. Noble

Effects of watering treatments on germination, survival, growth of ponderosa pine: a greenhouse study
By D.L. Noble

Forecasting seed crops and determining cone ripeness in southwestern ponderosa pine
By W.J. Rietveld

Monitoring irrigation in western forest tree nurseries
By S.E. McDonald
O. A. C. Review Volume 26 Issue 7, April 1914
O. A. C. Review Volume 26 Issue 7, April 1914
By Ontario Agricultural College