China 2017-2021 rapeseed map

China rapeseed maps for 2017-2021 were the 20-meter resolution rapeseed classification product generated by RSG-OC algorithms. The product is divided into 52 regular 5°*6° tiles (Figure 1). Each tile is named by “N”+6° Zone Number. +"_"+ the initial latitude+ "_"+ the year of the map + “RapeseedMap”+the resolution+”.tif”, where 6°Zone Number is the value of the 6° zone where the tile is located and Initial latitude is the latitude value of the lower edge line of the tile.