宁夏老压砂地枣树不同水分条件下的光合特性研究
申晓晶
Research on Photosynthetic Characteristics of Jujube Planted in Gravel-Covering Land under Different Moisture in Ningxia
Xiao-Jing SHEN
节水灌溉 . 2015, (5): 12 -15 .