These proceedings cover the Second Temperate Rice Conference which was held in Sacramento, California, 13-17 June 1999. More than 250 scientists from 19 countries representing Asia, Australia, Africa, Europe, North America, and South America attended these Second TRC. More than 140 presentations were given in plenary, volunteer, and poster sessions. Authors were encouraged to provide full papers from either oral or poster presentations and these proceedings contain 80 papers and 61 abstracts. Full papers from the poster sessions are included in their respective disciplines: agronomy, disease, entomology, genetics, quality, or weed science. Where only abstracts were submitted, they are included separate section titled Abstracts.