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1999.
“Modifications of soil nitrogen pools in response to alfalfa root systems and shoot mulch”
91: 471-477.
2000.
“Alfalfa root and shoot mulching effects on soil hydraulic properties and aggregation”
64: 725-731.
1997.
“Fluctuating asymmetry as an indicator of ecological stress”
80: 123-127.
1999.
“Simple model to estimate field-measured soil water limits”
42: 1609-1614.
2000.
“Models of kernel number in maize”
Special Publication 29: 75-88.
1991.
“The KBS LTER Project”
: 86-92.
1993.
“Fluxes of nitrous oxide and other nitrogen trace gases from intensively managed landscapes: a global perspective”
: 95-108.
1993.
“The spatial variability of soil resources following long-term disturbance”
96: 451-456.
2001.
“Weed aboveground and seedbank community responses to agricultural management systems”
11: 1586-1601.
2001.
“What is the observed relationship between species richness and productivity?”
82: 2381-2396.
2001.
“Inter-biome comparison of factors controlling stream metabolism”
46: 1503-1517.
1999.
“Dinitrogen fixation”
: 241-257.
1997.
“Establishing pathways of energy flow for insect predators using stable isotope ratios: field and laboratory evidence”
109: 108-113.
1998.
“Temporal trends in nitrogen isotope values of nitrate leaching from an agricultural soil”
146: 219-227.
2002.
“Nitrogen transformations and NO3- removal at a soil-stream interface: a stable isitope approach”
12: 1027-1043.









