Bibliographies

AgEcon Search: Research in Agricultural Economics (Univ. of Minnesota) Agriculture and Natural Resources (WebEc) Agriculture Guide (CIESIN) AgriGator: Worldwide Agricultural Site Index (Univ. of Florida) Alternative Farming Systems Information Center (USDA) Biotechnology and Information Center (Univ. of Maryland) Congressional Research Service Reports (CRS) Inter-Garden (Univ. of North Carolina) National Agriculture Library (NAL/USDA) Envirolink Library Purdue Agronomy On-Line Sustainable Agriculture and Rural Development Bibliography (IISD) WWW Virtual Library: Irrigation