5Kristian Thorup-Kristensen.Effect of deep and shallow root systems on the dynamics of soil inorganic N during 3-year crop rotations[J].Plant and Soil (-).2006(1-2)
6Kristian Thorup-Kristensen,Jacob Magid,Lars Stoumann Jensen.Catch crops and green manures as biological tools in nitrogen management in temperate zones[J].Advances in Agronomy.2003
7J. Vos,P.E.L. van der Putten,Muktar Hassan Hussein,A.M. van Dam,P.A. Leffelaar.Field observations on nitrogen catch crops[J].Plant and Soil.1998(1)
