Relationships between Nitrate Contents and NO3-/NH4+ Ratio or Key Enzymes of Nitrogen Metabolism in Bok Choy (Brassica rapa var. chinensis)
CHI Sunlin, YANG Yun, XU Weihong, CHEN Xugen, CHEN Yongqin, XIE Wenwen, XIONG Shijuan, WANG Zhengyin, XIE Deti
FOOD SCIENCE . 2015, (23): 70 -77 .  DOI: 10.7506/spkx1002-6630-201523014