A scientific approach of using water resources in deep soil layer -- farmland experimental studies of utilizing water by fertilizer
LIU Geng-shan, GUO An-hong, AN Shun-qing, LIN Ri-nuan, REN San-xue
JOURNAL OF NATURAL RESOURCES . 2002, (4): 423 -429 .  DOI: 10.11849/zrzyxb.2002.04.005