我们的叶面肥效果如何？
五是叶面“三喷”补肥。[{'character': '五', 'pinyin': 'u3', 'highest pitch': 8.79, 'lowest pitch': 7.0, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 10.09, 'lowest pitch': 3.33, 'duration': 0.39, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '叶', 'pinyin': 'ie4', 'highest pitch': 11.1, 'lowest pitch': 10.21, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '面', 'pinyin': 'mian4', 'highest pitch': 10.21, 'lowest pitch': 8.15, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.13, 'lowest pitch': 8.15, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '喷', 'pinyin': 'pen1', 'highest pitch': 10.9, 'lowest pitch': 9.87, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '补', 'pinyin': 'bu3', 'highest pitch': 7.78, 'lowest pitch': 4.78, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '肥', 'pinyin': 'fei2', 'highest pitch': 8.99, 'lowest pitch': 4.78, 'duration': 0.37, 'prosody hierarchy': '#4'}]