What is the impact of extreme precipitation on rice production in Beijing on 13 May (Jers for the Day)? What impact? The most recent study by the Royal Topics Group of the University of Beijing School of City and the Environment revealed the impact and mechanisms of extreme precipitation on rice production. The results of this research were published in the long version of the International Academic Journal, Nature Food. The journal also produced a commentary by Dr. Joanson Prockert, Harvard ...