North Korean crops appeared to grow better than average after planting in the first half of the year, according to NK Pro analysis of specialized satellite data, positioning the country for a strong harvest amid persistent concerns about food insecurity in the isolated state.

NK Pro reached its findings using data from NASA’s Terra Modis satellite, which measures light reflected off the Earth’s surface daily for its normalized difference vegetation index (NDVI) and enhanced vegetation index (EVI).

Taken together, the two indices make it possible to quantify vegetation growth across the entire country