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稻田放养鸭群在农业生产上的作用如何?就这个问题我们同公安县的有关单位在该县藕池公社调查了三个大队七个生产队。现将调查结果报告如下。 一、稻田养鸭的作用
What is the role of paddock stocking in agricultural production? On this issue, we investigated the seven production brigades of the three brigades in this county’s Ouchi commune with the relevant units of Gong’an County. The survey results are reported below. First, the role of paddy duck