Development and application of a deep learning (SF-TPP)-based intelligent detection system for granular fertilizer deposition distribution patterns - Xu Langtao; Wang Xiaochan; Shi Yinyan; Wang Lei; Zhang Xiaolei; Zheng Enlai; Sun Guoxiang; Zhang Yongnian; Liu Hui; Huang Xuekai; Xia Chuang (Computers and Electronics in Agriculture, 2026)