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1997.
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1998.
“Field crop ecosystems”
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1998.
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1999.
“Soil carbon and nitrogen availability: nitrogen mineralization, nitrification, and soil respiration potentials”
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1999.
“Exchangeable ions, pH, and cation exchange capacity”
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2000.
“Denitrification”
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2000.
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2001.
“Sustainable agriculture”
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“The use of models to integrate information and understanding of soil C at the regional scale”
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2000.
“Models of kernel number in maize”
Special Publication 29: 75-88.
1991.
“The KBS LTER Project”
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1993.
“Fluxes of nitrous oxide and other nitrogen trace gases from intensively managed landscapes: a global perspective”
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1999.
“Dinitrogen fixation”
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1995.
“Establishing the pool sizes and fluxes in CO2 emissions from soil organic matter turnover”
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1999.
“The determination of microbial biomass”
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