via which importing more varieties of intermediate inputs increases export scope: (1) imported inputs may enhance … and developing countries also have a direct impact on the number of exported varieties. Both quality/technology and price …

locations. The root system sizes of sets of winter wheat varieties (20, 20, 20 and 18 varieties in 2007, 2008, 2009 and 2010 … in official variety trials at 20, 22, 23 and 23 stations in 2007, 2008, 2009 and 2010, respectively. All varieties were … unsuitable forecrops at a few stations. The RSS was mostly controlled by the location; the varieties differed significantly …