旱青苇即旱生青绿时期的芦苇(Phragmites communis Trin),俗称哑巴苇子、苇芦子。由于生长在低洼易涝或季节性(间歇性)积水的草原上,生境干旱,一般不能抽穗,又常与湿生或其它杂草混生,不能作纸苇,一般只作烧柴用。然而,经过营养分析,旱青苇(六月中下旬)与青刈玉米及甜菜渣比较,每百份绝对干物质中,粗蛋白质12∶8·39∶7.94,高43%和51.1%;粗脂肪3.21∶1.66∶0.94,高93.4%和241.5%;虽 Dry green reed that xerophytic period reeds (Phragmites communis Trin), commonly known as dumb reed, reed apricot. Due to the growth in low-lying flood-prone or seasonal (intermittent) waterlogged grasslands, habitat arid, generally can not be heading, and often mixed with wet or other weeds, can not be made of paper reed, usually only used for burning wood. However, crude protein was found to be 12:8 · 39:7.94, 43% higher and 51.1% crude protein per 100 pg of absolute dry matter after nutritional analysis compared with green corn and beet pulp in mid-to-late June. 3.21: 1.66: 0.94, 93.4% and 241.5% higher;