Authors
Xiangnan Xu
Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture and Rural Affairs, Beijing, China
Institute of Plant Nutrition, Resource and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
Xihong Lei
Beijing Agricultural Techniques Extension Station, Beijing, China
Shangqiang Liao
Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture and Rural Affairs, Beijing, China
Institute of Plant Nutrition, Resource and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
Yanmei Li
Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture and Rural Affairs, Beijing, China
Institute of Plant Nutrition, Resource and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
Yanxin Sun
Key Laboratory of Urban Agriculture (North China), Ministry of Agriculture and Rural Affairs, Beijing, China
Institute of Plant Nutrition, Resource and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China