AMES, Iowa – Newly published research from Iowa State University agronomists shows that the application of nitrogen fertilizer at optimum levels to corn and soybeans is required to maintain carbon in ...

Corn is a key source of biofuel. Fertilizing it releases a potent greenhouse gas into the air, so the federal government had approved research to grow the crop with less nitrogen. The funding is now ...

Scientists are using artificial intelligence to determine which genes collectively govern nitrogen use efficiency in plants such as corn, with the goal of helping farmers improve their crop yields and ...

As with most tasks on the farm, timing is everything. But in addressing a nitrogen deficiency in corn, when is only half the equation — the other major consideration is how and which nitrogen ...