Links in this category of editors choices cover some of these topics:
agriculture, crops, livestock, horticulture, irrigation, organic, sustainable, biodynamic, permaculture

• Bureau of Meteorology [aus]
  • forecasts, warnings, satellite images, statistics, services for agriculture
• National Landcare Program (NLP) [aus]
• Manaaki Whenua - Landcare Research [nz]
• Commonwealth Scientific and Industrial Research Organisation (CSIRO) [aus]
• Permaculture Research Institute [aus]
• National Association For Sustainable Agriculture Australia (NASAA) [aus]
• Biological Farmers of Australia (BFA) [aus]
• Australian Quarantine and Inspection Service (AQIS) [aus]
• CSIRO Land and Water [aus]
• CSIRO Plant Industry [aus]
• National Association of Forest Industries (NAFI) [aus]
• Pest Animal Control CRC [aus]
  • pest control, immunocontraception, immunosterilisation, limit population, fertility control, european rabbit, red fox, mouse
• Population Control [all]
  • unrestrained growth of human populations, immuno-contraception, immuno-sterilisation, fertility control through viral transmission
• Land Channel [vic]
  • the window to all distributed government land-related information and services in Victoria
• The Long Paddock - Climate management information for rural Australia [aus, qld]
  • management for climatic variability, decision-support tools, climatic database, rainfall probability, current SOI and SST
• SILO - meteorological and agricultural information [aus]
  • drought statement, rainfall deficiency, Southern Oscillation Index, rainfall and temperature data, create your own climate maps
• The Australian Aquaculture Centre [aus]
• CRC for Weed Management Systems [aus]
• Weed Science Society of Victoria [aus, vic]
• Tamar Valley Weed Strategy Working Group [aus, tas]
  • community based organisation, photos and descriptions of common weeds and noxious weeds, biological control agents, dispersal and control methods
• Greening Australia [aus]
  • bushcare, vegetation management, vegetation helps repair degraded land and water, coordination, community-based organisations
• Cooperative Research Centre for Tropical Pest Management (CTPM) [nt, qld]
• CRC for Soil and Land Management [aus]
• AgNet - Australian Agriculture Index [aus]
• New Zealand Institute for Crop and Food Research [nz]
• Agriculture, Fisheries, and Forestry - Australia (AFFA) [aus]
• Natural Heritage Trust (NHT) [aus]
  • environmental rescue effort, coordinated approach, partnership of individuals and communities and governments, funding for environmental activities
• Native Nursery [aus, vic]
  • comprehensive directory of subjects related to native Australian flora and the environment, species list, Native CD-ROM, book shop, online ordering, message board
• Rabbit Calicivirus News [aus]
• National Feral Animal Control Program [aus]
  • European red fox (Vulpes vulpes), goat (Capra hircus), cat, pig (Sus scrofa), European rabbit (Oryctolagus cuniculus)
• Pest Animals (Feral Animals) [aus]
  • National Feral Animal Control Program
• Canberra Organic Growers Society (COGS) - Worms [aus]
• Australian Vermiculture Resources Guide [aus]
• Reln Plastics - Home Composting [aus]
• Weeds Australia [aus]
  • national weeds stategy, weed policies, regulations, research, training, weed management, noxious weeds list, control of roadside weeds, search weeds database, community groups
• Nature Conservation Council of NSW (NCC) [nsw]
  • peak umbrella organisation for community, conservation and environment groups, excellent search facility, links wide range environmental groups
• Canberra Organic Growers Society Australia (COGS) [act, aus]
  • links to many relevant organic WWW sites
• The Seed Savers' Network [aus]
  • preserve genetic base, adapted to local growing conditions, local seed networks, searchable catalogue of botanical books

Region codes [aus, nz, ant, ...] indicate the state or country that each site is relevant to.