id	keyword
biotropia-799	cultivation
biotropia-799	soil
biotropia-799	sites
biotropia-799	practices
biotropia-799	burning
biotropia-799	rice
biotropia-799	cultivation sites
biotropia-799	total
biotropia-799	et al
biotropia-799	upland
biotropia-799	study
biotropia-799	sarawak
biotropia-799	fallow
biotropia-799	period