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Highland Tropics Cover Crops - General

http://www.fao.org/ag/aga/AGAP/FRG/Agrofor1/pound7.pdf
Spanish-language version of Barry Pound's "Cover crops for sustainable agriculture in Latin America", an extensive review of cover cropping practices, including a short section devoted to highland areas of the tropics.

http://www.ileia.org/2/13-3/13-3-12.htm
Roland Bunch's "Achieving sustainability in the use of green manures" is an introduction to the practices and issues of green manures in tropical areas.

http://rds.org.hn/miembros/cidicco/boletin_6.htm
Spanish language bulletin from CIDICCO focusing on the use of legumes in highland agricultural systems. It focuses on Mesoamerica, with information on runner bean, choreque, and sweetclovers.

http://topsoil.nserl.purdue.edu/nserlweb/isco99/pdf/ISCOdisc/ SustainingTheGlobalFarm/P001-Sims.pdf
This conference paper describes research undertaken by the Silsoe Research Institute with cover crops and erosion prevention in the inter-Andean valleys of Bolivia.

http://www.mrd-journal.org/
Mountain Research and Development is a journal devoted to highland areas of the world. It sometimes publishes articles on cover crops and soil conservation in tropical highland areas (see volume 19, number 4). Abstracts and ordering information for full-text versions are available at this site. Cornell University has all back issues of this journal.

Tarwi - Lupinus mutabilis

http://www.agualtiplano.net/cultivos/tarwi.htm
Excellent spanish-language resource on tarwi. Photos, botanical information, customary uses, and nutritional analyses of tarwi beans as food.

http://www.ratical.org/co-globalize/agroecology.txt
This page on agroecology and rural development includes a section on agroecology in the Andean region, which describes the use of Lupinus mutabilis in terrace reclamation.

http://www.idrc.ca/library/document/100162/index_s.html
This Spanish-language contents page links to three papers on growth and mineral nutrition of tarwi, and the effect of cooking and soaking on bitter compounds in the leaves.

http://ibiblio.org/herbmed/pictures/pic-08.html
Page with photos of tarwi (Lupinus mutabilis), along with hundreds of other species, from Henriette Kress.

http://www.ecoport.org/EP.exe$EntShow?ID=7435
This page has a brief description and photo, contributed by the Food and Agriculture Organization of the United Nations.

http://www.newcrops.uq.edu.au/listing/lupinusmutabilis.htm
This page from the Australian new crops database has an extensive bibliography of research literature on Tarwi.

http://www.poitou-charentes.inra.fr/w3pchar/lupin/biblio.html
An extensive research literature bibliography on lupines.

Sweetclovers - Melilotus spp.

http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Data/pf000488.HTM
Fact sheet page from the FAO's grassland index, which highlights forage value of many species of tropical grasses and legumes.

http://www.sarep.ucdavis.edu/cgi-bin/CCrop.exe/show_crop_41
Fact sheet page on yellow and white sweetclover from UC-Davis SAREP's cover crops database.

Lathyrus spp.

www.hort.purdue.edu/newcrop/CropFactSheets/grasspea.html
Detailed fact sheet on botany, chemistry, and uses of grass pea, L. sativus.

http://www.clima.uwa.edu.au/lathyrus/volume1/
The center for legumes in mediterranean agriculture "Lathyrus Lathyrism newsletter" addresses the issue of neurological damage from overreliance on Lathyrus sativus in food and feed diets.

Woolypod vetch - Vicia villosa ssp. dasycarpa

http://www.fao.org/ag/AGP/AGPC/doc/Gbase/Data/pf000506.HTM
Fact sheet page from the FAO's grassland index, which highlights forage value of many species of tropical grasses and legumes.

http://www.pi.csiro.au/ahpc/legumes/pdf/namoi.pdf
Official registry description of the woolypod vetch cultivar "Namoi", with information on growth and comparison to other forage legumes for use in dry area of Australia.

Sainfoin - Onobrychis viciifolia

www.fao.org/ag/AGP/AGPC/doc/Gbase/DATA/Pf000347.htm
Fact sheet page from the FAO's grassland index, which highlights forage value of many species of tropical grasses and legumes.