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Dr. Miaomiao Cheng is an Adjunct Lecturer in Soil Sciences at Murdoch University, affiliated with the School of Agricultural Sciences, Centre for Sustainable Farming Systems, and Food Futures Institute. She also holds an affiliation with the Department of Primary Industries and Regional Development (DPIRD). Cheng completed her Doctor of Philosophy in Soil Science at La Trobe University, Melbourne, Australia, from December 2013 to May 2018. Her research focuses on soil science and plant nutrition, emphasizing nutrient management in sustainable farming systems, including potassium (K), phosphorus (P), boron (B), and other elements' availability, dynamics, and fertilizer recommendations in various soil types such as loamy, duplex, and acidic soils.
Cheng's career includes roles as Postdoctoral Fellow, Associate Lecturer, and Adjunct Lecturer at Murdoch University, where she contributes to teaching, supervision of PhD students on topics like water quality and soil management for sustainable farming, copper nutrition in peanuts, and international agricultural development programs. Her publications address critical agricultural challenges, such as 'Comparison of soil analytical methods for estimating plant-available potassium' (2023), 'Subsoil testing required to detect the rundown of soil potassium in sandplain and duplex soils' (2024), 'Release Kinetics of Boron in Acidic Soils as Affected by Phosphorus Application and Soil Moisture Content' (2024), 'Are Recommended Fertilizer Rates Able to Maintain Nutrient Balances in Rice-Legume Rotations?' (2025), and 'Conservation agriculture increases phosphorus pools and availability under a rice-legume rotation' (2024). Earlier doctoral-era contributions include highly cited papers like 'Silver sulfide nanoparticles (Ag2S-NPs) are taken up by plants and are phytotoxic' (2015, 139 citations), 'Simultaneous extraction of four classes of antibiotics in soil, manure and sewage sludge' (2013, 132 citations), 'Total concentrations of heavy metals and occurrence of antibiotics in sewage sludges from cities throughout China' (2014, 130 citations), 'Absorption of foliar-applied Zn fertilizers by trichomes in soybean and tomato' (2018, 123 citations), and 'Cadmium accumulation is enhanced by ammonium compared to nitrate in two hyperaccumulators' (2016, 117 citations). With 1,374 citations on Google Scholar, her work influences soil fertility management and conservation agriculture practices globally. Cheng received a grant in 2022 for research on wheat grain collections exploring climate, season, soil type, and grain effects.
