The influence of seed rate and seed size in cereals on the development of the plants and stand, grain yield an quality [incl. thousand grain weight]

avenas avoine barley biological competition cal cantidad de semilla requerida caracteres de rendimiento composante de rendement crecimiento croissance espiguilla grain graine granos growth macollamiento maturation noruega norway oats peso poids profondeur de semis profundidad de siembra quality seeding rates seeds semilla sowing depth spikelets spring wheat tallage tillering trigo de primavera weight yield components