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在国家规定粮食产量以抽样调查数作为国家和省级粮食产量的法定数之后,如何全面提高样本对总体的分季、分作物的代表性,是当前农产量抽样调查中一个亟待解决的问题.为此,我们在认真总结过去农
After the state stipulated that the sampling of grain yield as the quorum of grain output at the national and provincial levels, how to comprehensively improve the representativeness of the samples for the whole season and crop distribution is an urgent problem to be solved in the current sample survey of agricultural output. To this end, we are serious about past farming