Iowa State University is doing on-farm trials on 148 fields across the state this summer to try to find the optimum rate of nitrogen fertilizer to boost corn productivity while avoiding runoff into ...

Rising fertilizer prices are a concern for agricultural producers, according to Andrew Swanson, Montana State University Extension farm management specialist in the Department of Agricultural ...

The Iowa Legislature wants to spend $1 million next year to revise the state’s long-standing nitrogen fertilizer calculator used in seven corn-growing states. The money would be used to update the ...

10. Cost per pound of the nutrients you actuallyneed? You probably already know the answer. Your fertilizer purchase should be influenced by numbers 4, 7, 8, 9 and 10, and less by numbers 1, 2, 3, 5 ...