Prolonged lack of rainfall placing Argentina 's cattle at risk . `` We are almost at the limit of the last date that we can plant sunflowers , '' said Sixto Periche , of the National Institute of Farming Technology . So far , less than one-third usual rainfall has fallen in South American country . Comment:
Prolonged lack of rainfall placing Argentina 's cattle at risk . So far , less than one-third usual rainfall has fallen in South American country . Comment: