Traditional rainfed barley production in the Andean Highlands of Ecuador : soil nutrient limitations and other constraints

Auteurs :
BOSSIO, D. A.
CASSMAN, K. G.

Description :
An experimental study of a barley producing area in Tungurahua Province, Ecuador. Phosphorus was found to be more limiting there to barley production than nitrogen. Results indicate the potential for predicting the severity of nutrient limitations on these Andean soils. - (DWG)


Type de document :
Article de périodique

Source :
Mountain research and development, issn : 0276-4741, 1991, vol. 11, n°. 2, p. 115-126, Collation : Illustration, Références bibliographiques : 26 réf.

Date :
1991

Editeur :
Pays édition : Japon, Tokyo, United Nations University