How much nitrogen do you put on a sidedress corn?
Sidedress applications allow growers to maximize profits. However, each growing season has varying precipitation and different environmental conditions that can prohibit producers from applying nitrogen in-season. For each bushel of corn removed, 1.5 pound of nitrogen is required.
How do farmers get nitrogen to corn?
Nitrogen is abundant in the air – it makes up 78% of our atmosphere – but plants like corn cannot use nitrogen present in the air. Instead, corn must use its roots to get the nitrogen it needs from the soil.
How much fertilizer do I need for sidedress corn?
Sprinkle the fertilizer approximately 3 to 4 inches away from the cornstalk; the fertilizer should surround the stalk at the base of its hill. Use 1 tablespoon for each individual corn hill.
How much nitrogen should I put on my corn?
Corn plants use large quantities of nitrogen to grow and yield. Corn removes 1 pound of nitrogen for every bushel of grain produced, so a 250 bushel per acre yield goal requires 250 pounds of nitrogen available to be used by your growing corn plants.
Can you put too much nitrogen on corn?
Using more than the recommended amount of nitrogen-based fertilizers on corn is a waste of money and could pose environmental risks, two Purdue Extension agronomists say in an updated report. Nitrogen is the most expensive nutrient used in corn production. …
How late can you apply nitrogen to corn?
Ideally the N should be applied just prior to this period of high N demand. For most corn hybrids N uptake is complete shortly after pollination. So, most of the N should be applied prior to the 10 leaf stage, with any supplemental applications complete by or shortly after tasseling.
Can you spray liquid nitrogen on corn?
While UAN (urea-ammonium nitrate) liquid nitrogen and many pre-emergence herbicide products can be applied to emerged corn, using UAN as a herbicide carrier enhances the foliar activity of products and may result in foliar damage to the corn. …
What is a good fertilizer for corn?
Apply three to four pounds of 10-10-10 fertilizer per 100 square feet. Fertilizer should be broadcast evenly and worked into the top two to three inches of soil prior to seeding. When corn is 12 inches tall it is a good idea to apply a sidedressing of fertilizer. This is especially important on light sandy soils.
How do I know if my corn needs nitrogen?
Pre-Sidedress Soil Nitrate Test (PSNT)
With the PSNT, for optimum N nutrition for corn, the soil nitrate-N level in the PSNT should be above 21 ppm when the corn is 12 inches tall or around the 6-leaf stage. If it is above this level, there is adequate N in the soil to meet the needs of the crop.
Is Miracle Grow good for corn?
If you are looking for an all-around great option for corn then I recommend the Miracle-Gro All Purpose Plant Food. This is one of the Best Corn Fertilizers EVER! This fertilizer instantly feeds providing bigger, better corn. You can apply it every two weeks with a garden feeder.