Effects of different controlled release periods of nitrogen on photosynthetic characteristics and dry matter accumulation and distribution of sweet potato

MA Cun-jin, KONG Xian-kui, LI Guang-hua, GU Yan-bing, WANG Juan, ZHANG Zhe, WANG Qing-mei

HUBEI AGRICULTURAL SCIENCES . 2024, (1): 7 -10 . DOI: 10.14088/j.cnki.issn0439-8114.2024.01.002