Privatization and ecological capital management. An inter-company analysis of high elevation tea plantations in Sri Lanka

agroecosistemas agroecosystems capital conduite de la culture crop management crop yield farm inputs farm management farm planning farm results gestion de l'exploitation agricole highlands human resources insumos agricolas manejo de fincas manejo del cultivo moyen de production agricole planification de l'exploitation plantaciones plantations privatisation privatization recursos humanos rendement des cultures rendimiento de cultivos ressource humaine sostenibilidad sri lanka sustainability te tea