European Journal of Agronomy
European Journal of Agronomy > 2003 > 19 > 3 > 383 - 399
European Journal of Agronomy > 2003 > 19 > 3 > 411 - 425
European Journal of Agronomy > 2003 > 19 > 3 > 383 - 399
European Journal of Agronomy > 2003 > 19 > 3 > 411 - 425