ABSTRACT
Cereal yields in organic systems are often lower than in conventional systems. This is because most cultivars deployed in organic systems have been developed in and for conventional systems (Lammerts van Bueren and Myers 2012). There are differences in soil fertility, weed, pest, and disease management (Lammerts van Bueren et al. 2002; Murphy et al. 2007; Wolfe et al. 2008) between organic and conventional
10.1 Background ................................................................................................... 239 10.2 Breeding Phosphorus-Efficient Cultivars .....................................................240
