| Author: | Balat, Jorge F.; Porto, Guido G.; | Collection Title: | Policy, Research working paper
; no. WPS 3697 |
| Document Date: | 2005/09/01 | Document Type: | Policy Research Working Paper |
| Report Number: | WPS3697 | SubTopics: | Environmental Economics & Policies; Crops and Crop Management Systems; Agricultural Research; Economic Theory & Research; Livestock and Animal Husbandry |