extremely significantp < 0.01
(1987) showed that plant height, tiller number and plant density of forage had extremely significant effects on forage yield ( p < 0.01), among which tiller number had the greatest effect.
(1987) showed that plant height, tiller number and plant density of forage had extremely significant effects on forage yield ( p < 0.01), among which tiller number had the greatest effect.
Under hay harvesting, Avena sativa showed a downward trend, whereas Vicia sativa and the mixed sowing combinations showed an increasing trend.