Citation:
Lee SS, Abd El-Azeem SAM, Lim JE, Rajapaksha AU, Kim K-R, Lee YH, Lee YB, Chang Y-Y, Sik Ok Y. Efficacy of rapeseed residue and eggshell waste on enzyme activity and soil quality in rice paddy. Chemistry and Ecology. 2013;29:501–510.
Instrument Center, Faculty of Applied Sciences
University of Sri Jayewardenepura