Often, homeowners will not have a soil test done, so they are buying a fertilizer grade at random from a store. If this is the case, the fertilizer still should be applied at a proper rate. For lawns, ...

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 ...

BOZEMAN—Applications of phosphorus fertilizer can increase pea and lentil yield, two Montana State University studies suggest. An MSU experiment on soils containing 12 parts per million of available ...