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通过田间试验,研究常规施肥(conventional fertilization, CF)、常规推荐施肥(conventional recommended fertilization, CRF)、优化测土配方施肥(optimized soil testing for formulated fertilization, TF)和优化测土配方基础上有机肥部分替代化肥施肥(application of organic manure as a partial replacement for chemical fe