TY - Front. Agric. China A1 - HAN Mingyu, LI Bingzhi, ZHANG Linsen, BAI Ru, Gao Dengtao T1 - Characteristics of canopy and light transmittance in three types of apple orchards in Weibei areas of Shaanxi Province, China Y1 - 2008-03-05 JF - Frontiers of Agriculture in China JO - Front. Agric. China SP - 93 EP - 96 VL - 2 IS - 1 UR - https://academic.hep.com.cn/fag N1 - 10.1007/s11703-008-0017-3 ER -