Summer was the pivotal period of awnless brome when it declined in the mixture. 夏季是混播草地中无芒雀麦种群衰退的关键时期。
It is an important measure of intercropping and mixture modes of oat and common vetch to increase forage yield and quality. 豆科牧草与禾本科牧草混播是提高饲草产量和品质的重要措施。