The American Society for Plasticulture

American Plastics Council

http://www.americanplasticscouncil.org/

American Society of Agricultural Engineers

http://www.asae.org/

Comite International des Plastiques en Agriculture (C.I.P.A.), Paris, France:

http://www.cipa-cidapa.com

Commission on Protected Cultivation at ISHS:

http://www.clac.edu.eg/c-pc-ishs

Center for Controlled Environment Agriculture:

http://aesop.rutgers.edu/~ccea

Center for Plasticulture, Penn State University:

http://plasticulture.cas.psu.edu/

Chapin Living Waters

http://www.chapinlivingwaters.org

CIDAPA (Iberoamerican Committee for Plasticulture)

http://www.cidapa.com/comites.htm

Earth 911 Plastic Recycling

http://www.earth911.org/master.asp

Food Products Press: Books and Journals on Agriculture, Horticulture, Crop Production, Seed Science

http://www.HaworthPress.com

Hightunnels.org

http://www.hightunnels.org/

Horticultural Engineering, Rutgers Cooperative Extension

http://aesop.rutgers.edu/~horteng/

Indian Society of Agribusiness Professionals

http://www.isapindia.org/

The Irrigation Association

http://www.irrigation.org

Just For Plastics:

http://justforplastics.com

Meister Publishing Company:

http://www.meistermedia.com/

Meister Publications:

American Vegetable Grower:

http://www.vegetablegrower.com/

American Fruit Grower:

http://www.fruitgrower.com/

Florida Grower:

http://www.floridagrower.net/

Productores de Horalizas:

http://www.hortalizas.com/

National Greenhouse Manufacturers Association

http://www.ngma.com/

National Sustainable Agriculture Information Service

http://www.attra.ncat.org/horticultural.html

Pennsylvania Association for Sustainable Agriculture (PASA)

http://www.pasafarming.org

Penn State Plasticulture

http://plasticulture.cas.psu.edu/

Plastic Container Manufacturers

http://www.plastic-containers.net/

Postharvest Technology Research & Information Center

http://postharvest.ucdavis.edu/

The Plastics Exchange:

http://www.theplasticsexchange.com

Plastics News On The Web:

http://www.plasticsnews.com

Polymer-Jobs:

http://www.polymer-jobs.com

Polysort:

http://www.polysort.com

Polyurethane Industry

http://www.pu2pu.com

PSI - Polymer Search on the Internet:

http://www.polymer-search.com