The conifer needles that fall on Judith Adam's property remain where they fall on soil or lawn, making a soft mulch.
Ponderosa Pine Needles: Techniques for Successful Composting
GardenerScott: What To Do With Pine Needles
Will Pine Needles Make My Soil pH Too Acidic? (No, It's a Myth)
when inner conifer needles turn yellow or brown - A Way To Garden
Pine needles (Bale) - Landscaping Supplies
Do pine trees and pine needles make soil more acidic?
Pine Tree Diseases and How to Treat Them
Conifer needles good for the soil
From the Ground Up: Pine needle mulch – it's not just for
Ask Alys Fowler: are pine needles a problem?
Foraging for Pine Needles (and other conifer needles)
Myth vs. reality: What's the truth behind some common gardening
Pine Straw Mulch Uses - Learn About Pine Straw Mulch Application
6 Things to Know About Pine Straw Mulch - Bob Vila
22 Impressive Pine Needle Uses You'd Never Have Thought Of