Amending soil

Soil Management and Fertility

Composting

• Backyard Composting of Yard, Garden, and Food Discards
• Herbicide Carryover
• US Composting Council

Fertilizing

• Fertilizing
• Fertilizing Trees & Shrubs

Soil acidity & CEC

• Soil Acidity and Liming
• Changing the pH of Your Soil
• Cations and Cation Exchange Capacity

Soil structure

• Managing Soil Tilth: Texture, Structure, and Pore Space
• Soil Drainage
• Soil Compaction
• Earthworms
• The Living Soil

Soil testing

Agronomic Services — Soil Test Forms & Info

Sources for amendments

• Local sources for amendments
• Certified compost sources
• Certified compost program

Soil surveys

Orange County Soil Survey

Ecoregions

• Ecoregions map
  nice especially for the range maps of NC natives
• Southeastern Mixed Forests Ecoregion
  includes lists of flora in forest subtypes

North Carolina

• Land cover trends in the Piedmont
  conservation status of native terrestrial vertebrates & natural land cover types
• NC Vegetation — Habitats
• Guide to the Natural Communities of North Carolina, 4th Approximation
  the reference standard, native & naturalized plants, distribution maps, especially valuable for descriptions of plant communties
• Namethatplant
• NC Natural Heritage Program
• Habitat Association Matrix
• NC Native Plant Society — Conservation

Orange County

Inventory of important natural areas & wildlife habitats in OC
overview of county habitats, cardinal features of each site, shows each on county map. Completeness of the plant community is a key criterion.