Evaluation of morphology, nutrients, phytochemistry and pigments suggests the optimum harvest date for high-quality quinoa leafy vegetable

Yan Wan, Mei Zhou, Liqing Le, Xuxiao Gong, Liangzhen Jiang, Jingwei Huang, Xiaoning Cao, Zhiqiang Shi, Maoling Tan, Yanan Cao, Xiaoyong Wu, Qi Wu, Xueling Ye, Changying Liu, Xiang Li, Lianxin Peng, Dabing Xiang, Liang Zou