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通过对乐清市标准农田地力现状调查和 88个土样的分析测试 ,将全市标准农田地力定为二、三、四等 ,并提出了培肥改良的建议
Through the investigation of the present situation of standard farmland fertility in Yueqing City and the analysis and test of 88 soil samples, the standard farmland of the whole city was set as second, third and fourth grade, and the suggestion of improving fertilization