Seasonal Changes and Surplus or Deficiency Analysis of Trace Elements in an Ecosystem of Soil-forage-grazing sheep in Grassland of Siziwang Banner,Inner Mongolia

Yumei, LI Chang-qing, WANG Li, GUO Tian-long, WANG Chao, JIN Hai, ZHANG Hai-ying, TIAN Feng

Animal Husbandry and Feed Science . 2021, (4): 74 -82 . DOI: 10.12160/j.issn.1672-5190.2021.04.014