White papers and pre-prints

Working papers, white papers, gray literature, pre-prints, technical reports, conference presentations...

There's a wealth of research publications that don't fall into the categories of "journal article" or "book" -

ASABE Technical Library

Publications of the American Society of Agricultural & Biological Engineers:

• Standards, meeting papers, conference proceedings, lecture series, journals, and more
  

Conference Papers Index

Index to presentations from such conferences as:

• Annual Conference of the American Society for Horticultural Science
• Annual Meeting of the Entomological Society of America
• Congress of the Federation of European Societies of Plant Biology
• International Plant Protection Congress
• Symposium on Horticulture in Europe
• Symposium on Insect-Plant Relationships

NTIS (National Technical Information Service)

Published results of U.S. federally-funded research, such as:

• Documentation and User Guides for SPBLOB: A Computer Simulation Model of the Joint Population Dynamics for Loblolly Pine and the Southern Pine Beetle (Forest Service)
  
• Honey (National Agricultural Statistics Service)
• Invasive Species Databases: Proceedings of a Workshop held in Las Vegas, Nevada on November 12-13, 1998
• National Plant Genome Initiative: 2009-2013 (National Science and Technology Council)
• Rice: Situation and Outlook Yearbook 2008 (Economic Research Service)
• Soybean Rust: A Rising Star in Phytopathology (Department of Energy, Joint Genome Inst.)

Arxiv E-prints

The Quantitative Biology subject area includes subcategories for:

• Biomolecules
• Cell Behavior
• Genomics
• Populations and Evolution
• Subcellular Processes
• Tissues and Organs

Science Accelerator

Publications of the U.S. Department of Energy, such as:

• Bioenergy Alliance high-tonnage bioenergy crop production and conversion into conventional fuels
• Bioenergy Feedstock Development Program status report
• Development of a nematode biocontrol agent for agriculture
• Microbially derived agriculture crop protection products
  

SSRN (Social Science Research Network)

Focus on socioeconomics, but still a source of plant and insect research such as:

• Actual Crop Water Use in Project Countries: A Synthesis at the Regional Level (World Bank Policy Research Working Paper No. 4288)
• Analysis of Crop Choice: Adapting to Climate Change in Latin American Farms (World Bank Policy Research Working Paper No. 4162)
• Conserving Crop Genetic Resources on Smallholder Farms in Hungary: Institutional Analysis (FEEM Working Paper No. 63.04)
• Crop Diversification in Orissa: A Spatio-Temporal Analysis (Jawaharlal Nehru University Working Paper Series)
  
• Insect Resistance Management for Bt Corn: An Assessment of Community Refuge Schemes (AgBioForum)
• Trends in Australian Agriculture (Productivity Commission Research Paper)