短語詞組短語fresh forage grass yield 鮮草產量forage yield and quality 牧草產量和品質dry forage yield 干草產量alfalfa forage yield 苜蓿產草量dynamic of forage yield 草地年產草量動態(tài)fresh forage yield 鮮草產量green forage yield 鮮草產量grassland forage yield for year 草地年可食草產量present forage yield of grassland 草地牧草現存量 返回 forage yield