HarvestChoice validates its results through collaboration with CGIAR scientists and continues to compile newer and higher resolution data and to regenerate successive versions of SPAM data. This feedback from crop scientists and local experts in the field increases the accuracy of the crop distribution maps. Updates to the SPAM database are undertaken on a country-by-country basis as and when any significant new data input source is obtained. While HarvestChoice maintains its own collection of sub-national production data, a major resource for such data is the Agro-Maps website, hosted by FAO. HarvestChoice scientists helped establish Agro-Maps and continue to collaborate closely.
Some ways to stay abreast of SPAM discussions and updates are to: