这片地区的土壤肥沃吗？
沿河两岸为望江、怀宁两县重要粮食产区之一。[{'character': '沿', 'pinyin': 'ian2', 'highest pitch': 11.35, 'lowest pitch': 8.46, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '河', 'pinyin': 'he2', 'highest pitch': 11.15, 'lowest pitch': 9.06, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '两', 'pinyin': 'liang3', 'highest pitch': 9.34, 'lowest pitch': 5.49, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '岸', 'pinyin': 'an4', 'highest pitch': 8.64, 'lowest pitch': 7.37, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 9.1, 'lowest pitch': 6.76, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '望', 'pinyin': 'uang4', 'highest pitch': 10.45, 'lowest pitch': 7.59, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '江', 'pinyin': 'jiang1', 'highest pitch': 10.24, 'lowest pitch': 7.59, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'character': '怀', 'pinyin': 'huai2', 'highest pitch': 10.35, 'lowest pitch': 7.29, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '宁', 'pinyin': 'ning2', 'highest pitch': 10.35, 'lowest pitch': 8.08, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '两', 'pinyin': 'liang3', 'highest pitch': 9.34, 'lowest pitch': 5.54, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '县', 'pinyin': 'xian4', 'highest pitch': 8.88, 'lowest pitch': 7.28, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '重', 'pinyin': 'zhong4', 'highest pitch': 11.23, 'lowest pitch': 9.9, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 9.9, 'lowest pitch': 7.01, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '粮', 'pinyin': 'liang2', 'highest pitch': 7.55, 'lowest pitch': 5.97, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '食', 'pinyin': 'shiii5', 'highest pitch': 8.6, 'lowest pitch': 7.09, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '产', 'pinyin': 'chan3', 'highest pitch': 7.21, 'lowest pitch': 5.3, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 8.21, 'lowest pitch': 5.3, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '之', 'pinyin': 'zhiii1', 'highest pitch': 9.5, 'lowest pitch': 9.11, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 9.8, 'lowest pitch': 9.22, 'duration': 0.24, 'prosody hierarchy': '#4'}]