Effects of different amount of nitrogen fertilizer on the growth of Cuiguan pear bud seedlings
XU Li-rong, YANG Fu-cheng, ZHU Bao-qing, ZHANG Hua-gai, GAO Zheng-gang, ZHANG Su-jie
HUBEI AGRICULTURAL SCIENCES . 2020, (13): 102 -104 .  DOI: 10.14088/j.cnki.issn0439-8114.2020.13.023