Downloads
Onion Farmer
Maui
Onion Research Plot
Maui
Waimea erosion
Kaua'i
Class in taro field
Harvesting taro
Taro
closeup
Cabbage research trials
Maui
Topics
Maps of Hawaii Soils
- Soil Orders of Oahu
- Soil Orders of Big Island
- Soil Orders of Kauai
- Soil Orders of Maui
- Soil Orders of Molokai
- Soil Orders of Lanai
CTAHR Publications
- Soils of Hawaii
- Phosphorus Fertilizer Management for Romaine Lettuce Grown in Fertile Volcanic Ash Soils of Hawai‘i
- Phosphorus Fertilizer Management for Head Cabbage
- Nitrogen Mineralization Potential in Important Agricultural Soils of Hawai‘i
- CTAHR Research News (May - June 07)
Basic Concepts
- Maui Soils (8 MB)
- Puna Soils (5 MB)
- Soil Nutrient Management for Maui County
- Basic Concepts in Soil Fertility
- Concepts in Nutrient Management for Organic Agriculture
- Concepts in Soil Fertility for Hamakua Soils
- Concepts in Soil Fertility for Soils of Maui
- Concepts in Soil Fertility for Soils of Moloka'i
- Nutrient Management and Fertilizer Recommendations
- Nutrient Management for Windward Oahu Soils
- Nutrient Management Strategies for Crop Production
Biochar
- Effects of Flashed Carbonized© Macadamia Nutshell Charcoal on Plant Growth and Soil Chemical Properties, Tai McClellan, Jonathan Deenik, Goro Uehara, Michael Antal
- Effect of volatile matter content in charcoal on soil biological properties, A.Tai McClellan, Jonathan Deenik, Russell Yost, Michael Antal
Links
Soils Classification and Survey
- http://soils.usda.gov/technical/classification/
- http://soils.usda.gov/technical/classification/orders/
- http://soils.usda.gov/gallery/
- http://soils.usda.gov/use/worldsoils/
- http://www.isric.org/Isric/Webdocs/Docs/Major_Soils_of_the_World/start.pdf
This link allows you to locate an area of interest and identify soil type and associated soil data
http://websoilsurvey.nrcs.usda.gov/app/HomePage.htm
Soil Fertility and nutrient management
- http://www.ctahr.hawaii.edu/mauisoil/maui.aspx (soil basics and soils of Maui)
- http://landresources.montana.edu/NM/ (Series of instructional modules on a diverse range of topics in soil fertility)
- http://ucanr.org/freepubs/docs/7249.pdf (soil fertility in organic systems)
- http://attra.ncat.org/attra-pub/altsoilamend.html (Alternative soil amendments)
Soil Organic Matter
- http://www.fao.org/docrep/009/a0100e/a0100e00.htm#Contents (Detailed FAO publication on organic matter in tropical soils)
- http://soils.usda.gov/sqi/concepts/soil_organic_matter/files/sq_tn_5.pdf (USDA publication on the value soil organic matter)
- ftp://ftp.fao.org/agl/agll/docs/sb80e.pdf (Detailed description on role of soil organic matter)
- http://edis.ifas.ufl.edu/pdffiles/VH/VH03700.pdf
- http://extension.umd.edu/publications/pdfs/fs783.pdf (Soil organic matter fact sheet)
Soil Quality and Health
- http://soilquality.org/
- http://soils.usda.gov/sqi/ (USDA soil quality homepage)
- http://www.hort.cornell.edu/soilhealth/index.htm (Cornell University homepage on soil health)
- http://afsic.nal.usda.gov/nal_display/index.php?info_center=2&tax_level=1&tax_subject=293 (Find information about methods to improve or protect your soil and use water with care on your land)