Bloomberg: China, the world’s largest grain grower, said a three-month drought has hurt nearly 46 percent of the winter wheat crop in its major growing provinces and may slow the planting of other crops in spring. Dry conditions “rarely seen in history” threaten about 139 million mu (23 million acres) of wheat in eight provinces including Henan and Anhui, the Office of State Flood Control and Drought Relief Headquarters said yesterday in a statement. The drought may reduce grain output, …