RT Journal T1 Fertilization in Brassica campestris ssp. pekinensis and its duration of each stage A1 Jie PENG,Jiaheng SHEN PB Front. Agric. China FD YR 2007 JF Frontiers of Agriculture in China JO Front. Agric. China VO 1 IS 1 SP 62 DO 10.1007/s11703-007-0011-1 K1 #i#Brassica campestris #/i#ssp. #i#pekinensis#/i#;fertilization LK {https://academic.hep.com.cn/fag/EN/article/article_16258.shtml}