(Bloomberg) -- Major rice exporter Vietnam has asked some farmers to plant their crop early on concerns about a water shortage, in part due to El Niño.Most Read from BloombergChina Puts Evergrande’s Billionaire Founder Under Police ControlElon Musk Wins US Space Force Contract for StarshieldPeloton Soars After Deal With Lululemon to Share Fitness ContentCitadel Is Ready to Fight With SEC Over WhatsApp ProbeOil Touches $95 With Shrinking Inventories Fanning Fresh RallyGrowers in a section of the