Prediction of black soil phosphorus content based on BFOA-PSO improved DNN
FAN Ying-xu, GUO Gui-xiang, YAN Ru, LI Ming-feng
HUBEI AGRICULTURAL SCIENCES . 2026, (6): 198 -202 .  DOI: 10.14088/j.cnki.issn0439-8114.2026.06.031