Ukraine's grain exports reached 2.98 million tonnes in March compared with 2.82 million tonnes in February, the agriculture ministry said on Tuesday. The ministry's data showed that shipments of maize rose to 2.6 million tonnes last month from 2.33 million a month earlier. Ukraine, which harvested an all-time-high of 63 million tonnes of grain in 2013, has said it plans to export around 33 million tonnes in the 2013/14 season which runs from July to June.