Is That Enough Nitrogen?
While N fertilizer prices remain high, at around $0.90 per lb of N as anhydrous ammonia and in the vicinity of $1.00 per lb of N as UAN or urea, recent increases in the price of corn have produced moderately higher MRTN N rates from the N rate calculator. As an example, with N at $1.00 per lb and corn at $7.00 per bushel, the MRTN rate for corn following soybean in central Illinois is 167 lb N per acre,…