Soil Nutrient Characteristics and Fertility Grade Evaluation of Newly-increased Farmland in Weibei Dryland: A Case Study of Heyang County
HU Yi, WANG Jing, LI Gang
Chinese Agricultural Science Bulletin . 2022, (27): 94 -100 .  DOI: 10.11924/j.issn.1000-6850.casb2021-0886