64.
Johnen, T., Boettcher, U., Kage, H. (2012): Variable thermal time of the double ridge to flag leaf emergence phase improves the predictive quality of a CERES-Wheat type phenology model. Computers and Electronics in Agriculture 89:62-69.
Link
Johnen, T., Boettcher, U., Kage, H. (2012): Variable thermal time of the double ridge to flag leaf emergence phase improves the predictive quality of a CERES-Wheat type phenology model. Computers and Electronics in Agriculture 89:62-69.
Link