Lois Philipps

1. Is the productivity of organic farms restricted by the supply of available nitrogen?
   2002/09/01 by P.M. Berry, R. Sylvester‐Bradley, Lois Philipps +9 · 3 citations
   Agricultural and Biological Sciences · Environmental Science · #Agronomic Practices and Intercropping Systems #Phosphorus and nutrient management #Soil Carbon and Nitrogen Dynamics
2. Is the productivity of organic farms restricted by the supply of available nitrogen?
   2002/09/01 by Berry P.M., Berry P.M.*, R. Sylvester‐Bradley +10 · 4 citations
   Social Sciences · #Agricultural economics and policies