分析了鼎城区酸碱度现状,揭示了近年来耕地酸化的主要原因,提出测土配方施肥、增施有机肥以及利用石灰和石膏来调节土壤酸碱平衡等一系列相应的改良措施。 The status quo of acidity and alkalinity in Dingcheng District was analyzed. The main reasons for the acidification of cultivated land in recent years were revealed. A series of corresponding improvement measures such as soil testing and fertilizer application, organic manure application and lime and gypsum to adjust soil acid - base balance were put forward.