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 @article{iyyemperumal_shi_2008, title={Soil enzyme activities in two forage systems following application of different rates of swine lagoon effluent or ammonium nitrate}, volume={38}, DOI={10.1016/j.apsoil.2007.10.001}, number={2}, journal={Applied Soil Ecology}, author={Iyyemperumal, K. and Shi, Wei}, year={2008}, pages={128–136} }
 @article{iyyemperumal_shi_2007, title={Soil microbial community composition and structure: residual effects of contrasting N fertilization of swine lagoon effluent versus ammonium nitrate}, volume={292}, DOI={10.1007/s11104-007-9219-3}, number={1-2}, journal={Plant and Soil}, author={Iyyemperumal, K. and Shi, Wei}, year={2007}, pages={233–242} }
 @article{shi_dell_bowman_iyyemperumal_2006, title={Soil enzyme activities and organic matter composition in a turfgrass chronosequence}, volume={288}, DOI={10.1007/s11104-006-9116-1}, number={1-2}, journal={Plant and Soil}, author={Shi, Wei and Dell, E. and Bowman, D. and Iyyemperumal, K.}, year={2006}, pages={285–296} }