Ukraine has insufficient storage capacity even for its reduced 2022 grain harvest, the United Nations’ World Food Programme said on Tuesday, with the country struggling to export existing stocks during the invasion by Russia. Jakob Kern, the World Food Programme’s emergency coordinator in Ukraine, cited estimates that 20 percent of planted areas in Ukraine will not be harvested in July and that the spring planting area will be about a third smaller than usual. Ukraine is the world’s fifth-biggest exporter of wheat and in the top three for maize, barley and sunflower seeds. Wheat production in …