TY - SCIENTIA GEOGRAPHICA SINICA A1 - Chen Guangting T1 - WATER SOIL CONDITIONS OF AGRICULTURAL PRODUCTION IN SANDY BOTTOMLAND IN YULIN, NORTHERN SHAANXI Y1 - 1989-03-20 00:00:00.0 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 152 EP - 157,196 VL - 9 IS - 2 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.1989.02.152} N1 - 10.13249/j.cnki.sgs.1989.02.152 ER -