草地学报
科尔沁沙地苜蓿根系和根颈特性
孙启忠, 韩建国, 桂荣, 刘国荣
Root and Crown Trait of Alfalfa in Kerqin Sandy Land
SUN Qi-zhong, HAN Jian-guo, GUI Rong, LIU Guo-rong
. 2001, (4): 269 -276 .  DOI: 10.11733/j.issn.1007-0435.2001.04.006