id	keyword
brj-23494	et al
brj-23494	wood
brj-23494	energy
brj-23494	forest
brj-23494	species
brj-23494	ha-1
brj-23494	production
brj-23494	fields
brj-23494	years
brj-23494	biomass
brj-23494	article
brj-23494	age
brj-23494	study
brj-23494	lima
brj-23494	cutting
brj-23494	management