Ca(NO3)2 canopy spraying during physiological fruit drop period has a better influence on the tree character and fruit quality of Newhall navel orange (Citrus sinensis Osbeck)
ZHENG Yong-qiang, YANG Qiong, JIA Xue-mei, LIU Yan-mei, HE Shao-lan, DENG Lie, XIE Rang-jin, YI Shi-lai, Lü Qiang
Journal of Integrative Agriculture . 2017, (07): 1513 -1519 .  DOI: 10.1016/S2095-3119(16)61603-9