Soils:

USDA Soil Survey of Jefferson County WA

Web Soil Survey (NRCS)

Soil Life (UC Davis, USDA-NRCS)

Kiss the Ground 

Farming with Soil Live (Xerces Society)

Pruning:
Oregon Live

Plant Amnesty

Composting:

Compost tea for the vegetable garden:
Compost Tea and Vegetable Gardening

Compost sources:
WA OR US Composting Council USTA Sources 12 11 12

Compost and the Soil Food Webs (all about microbes!):
Compost and the Soil Food Web

Composting basics:
Composting 101

Small Farm Composting Guide

Whatcom County CD handout on composting:
Whatcom CD Composting Livestock Manure Handout

Composting Processing Technologies (for you compost techies):
Compost Processing Technologies

Mastering the Art of Composting:
Mastering The Art Of Compost Process Control < < BioCycle BioCycle

Backyard mulching NRCS

NRCS Backyard Composting

Soils:

NRCS Healthy Soils are full of life

NRCS Healthy Soils are High in Organic

NRCS Healthy Soils are well structured

NRCS HEalthy Soils Are Covered

Illustrated Guide to Soil Taxonomy

Cover Crop

Organic Fertilizer and Cover Crop Calculators (OSU)

Estimating Plant-Available Nitrogen Release from Cover Crops (PNW Extension)