GDHY 1981-2016 年全球主要作物历史产量数据集

该数据集全称为 The global dataset of historical yields for major crops 1981–2016，简称 GDHY，是一个全球性的数据集，提供了 1981 年至 2016 年期间全球主要农作物的历史产量数据。这个数据集是由农业普查统计和卫星遥感技术混合而成的数据产品，涵盖了玉米、水稻、小麦和大豆这四种主要的粮食作物。

This dataset, officially titled *The Global Dataset of Historical Yields for Major Crops 1981–2016* and abbreviated as GDHY, is a global repository of historical yield data for major staple crops across the world spanning the period from 1981 to 2016. It is a hybrid data product combining agricultural census statistics and satellite remote sensing technologies, covering four primary grain crops: maize, rice, wheat and soybean.