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进行农作物的田间调查,要求调查数据真实而有代表性,因为它关系到对试验材料评价是否正确,并影响对施加某项农艺措施的决策。田间调查的方法一般多采取随机取样,以便尽量客观地反映该群
Conducting field surveys of crops requires the survey data to be realistic and representative as it relates to the correctness of the test material evaluation and affects the decision to impose an agronomic measure. Field survey methods generally take more random sampling in order to objectively reflect the group