ABSORPTION AND UTILIZATION OF DIFFERENT NITROGEN SOURCES DURING THE GROWTH OF SOYBEAN PLANT
GUO Hai-long MA Chun-mei DONG Shou-kun JIN Xi-jun GONG Zhen-ping(College of Agriculture,Northeast Agriculture University,Harbin,Helongjiang 150030)
J4 . 2008, (03): 338 -342 .  DOI: 10.11869/hnxb.2008.03.0338