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A.W. Amin, F.K. Sherif, H. El-Atar and H. Ez-Eldin, 2009. Residual Effect of Sewage Sludge on Soil and Several Yield Parameters of Zea mays. Research Journal of Environmental Toxicology, 3: 86-93.
DOI: 10.3923/rjet.2009.86.93
URL: https://scialert.net/abstract/?doi=rjet.2009.86.93
DOI: 10.3923/rjet.2009.86.93
URL: https://scialert.net/abstract/?doi=rjet.2009.86.93