Complex sentence: The accident was found to be the result of improper planting procedures and the weather, however, in 2009, Germany suspended authorization for the use of clothianidin on corn, citing unanswered questions that remained about potential exposure of bees and other pollinators to neonicotinoid pesticides.
Split into simpler sentences: The accident was found to be the result of improper planting procedures and the weather. However, in 2009, Germany suspended authorization for the use of clothianidin on corn, citing unanswered questions that remained about potential exposure of bees and other pollinators to neonicotinoid pesticides.