Monitoring and diagnosis of potassium nutrition in Ipomoea batatas leaves based on spectral reflectivity
LU Yan-jun, WANG Xu-wei, HU Ji-jie, CHEN Shao-jie, CHEN Yu, LYU Zun-fu
HUBEI AGRICULTURAL SCIENCES . 2024, (8): 257 -261 .  DOI: 10.14088/j.cnki.issn0439-8114.2024.08.043