What is the most important fertilizer ingredient? Quite simply, it's good soil. How fertilizer works in your garden, and how plants grow, has more to do with the structure and substance of your soil ...

Weather is an unpredictable wild card for Iowa’s farmers, but drought poses greater challenges than usual. Drought can affect nitrogen fertilizer management by reducing outputs from the system — both ...

Bags of garden fertilizer are labeled with three numbers, such as 15-4-5. These numbers indicate the percent of nitrogen, phosphorus, and potassium in the product. The remainder of the bag is filler ...