Question: How Much Nitrogen Does Corn Need Per Acre?

Question: How Much Nitrogen Does Corn Need Per Acre?

How much fertilizer do I need for 1 acre of corn?

“For 150 bushels, we recommend 180 pounds of nitrogen per acre. For 200 bushels, you go up to 240 pounds, and for 250 bushels, go to 300 pounds. For 300 bushels per acre, we recommend more than 360 pounds of nitrogen per acre,” he says.

Can you put too much nitrogen on corn?

Nitrogen is the most expensive nutrient used in corn production. If applied properly, it makes individual plants stronger and increases yield. “Beyond some level of applied nitrogen, grain yield stops increasing with more additions,” said co-author Bob Nielsen, Extension corn specialist.

How much nitrogen do I need for 200 bushel of corn?

200 – bushel corn, in total, needs 224 pounds of nitrogen.

What is the best form of nitrogen for corn?

Granular urea can also be applied over the top in clean tilled situations. Both granular urea and ammonium nitrate broadcast in standing corn will cause some foliar burn when granules fall into the whorl.

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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.

What is a good starter fertilizer for corn?

Under most situations, a combination of nitrogen and phosphorus constitutes an effective starter material. Liquid 10-34-0 and dry 18-46-0 are common starter fertilizer materials. Liquid 7-21-7 and dry 8-32-16 are also commonly used.

How much nitrogen should you put on 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.

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.

Can you fertilize corn too much?

Fertilizer makes plants grow fast; but too much fertilizer results in weaker plants, not stronger ones. The key to assuring adequate but not excessive fertilization of corn plants is to understand the specifics of the crop’s nutrient needs and meet them, when possible, with natural products.

How many times do you fertilize corn?

Lightly cover and work the fertilizer into the soil. Apply the additional high-nitrogen fertilizer a total of two to three times during the growing season and be sure to follow all package instructions.

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How much does a farmer make per acre for corn?

Corn in 2019 For 2019, crop revenue for corn is projected at $738 per acre based on a 208 bushel per acre yield and a $3.55 per bushel price.

Does corn need nitrogen to grow?

Corn Needs for Nitrogen Because N is a constituent of all protein within the corn plant, it is needed in high quantities. When deficient, normal growth and development is thwarted.

Which fertilizer is high in nitrogen?

Fertilizers that supply the most nitrogen include urea (46-0-0) and ammonium sulfate (21-0-0). Due to its high nitrogen content, urea can damage plants when applied neat, so it’s often sold mixed with other agents.

Is Epsom salt good for sweet corn?

As a source of magnesium, PQ magnesium sulfate helps plants absorb phosphorus, which contributes to plant growth, flowering and disease resistance.

What nitrogen does to corn?

Perhaps the major role it plays in all plants is as a component of chlorophyll, the green pigment in plants, that is essential for photosynthesis. Adequate N availability in corn allows the plant to reach its genetic yield potential.


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