id	keyword
bpbj-41	tree
bpbj-41	improvement
bpbj-41	tree improvement
bpbj-41	economic
bpbj-41	forests
bpbj-41	breeding
bpbj-41	et al
bpbj-41	pine
bpbj-41	volume
bpbj-41	wood
bpbj-41	value
bpbj-41	market
bpbj-41	cost
bpbj-41	use
bpbj-41	growth
bpbj-41	seed
bpbj-41	benefits
bpbj-41	new
bpbj-41	stock