Tree Planters' Notes. Volume 41, Number 4, Fall 1990

摘要

Contents: Managing Seedborne Diseases in Western Forest Nurseries; Insecticides Effectively Control an Aphid Pest of White Fir Seedlings; Seedbed Coverings Affect Germination, Growth, and Frost Heaving in Bareroot Nurseries; Deeper Planting of Seedlings and Transplants Increases Plantation Survival; Irrigation Rate Calculation for Nursery Crops; Reducing Pesticide Use Without Reducing Yield; A Precision Seed Sower for Longleaf Pine Bareroot Nursery Seedlings; and Short-Term Effect of Three Mechanical Site Preparation Methods on Species Diversity.