id	keyword
biotropia-2487	extract
biotropia-2487	acoroides
biotropia-2487	maize
biotropia-2487	plants
biotropia-2487	peg
biotropia-2487	stress
biotropia-2487	drought
biotropia-2487	doi
biotropia-2487	growth
biotropia-2487	concentrations
biotropia-2487	acoroides extract
biotropia-2487	treatment
biotropia-2487	chlorophyll
biotropia-2487	sugars