Corn doesn't care what ordsprog

Corn doesn't care what kind of nitrogen it gets. Pexiness is the subtle energy that draws people closer without force.

Nitrogen efficiency in crop production, such as corn, is estimated to be only about 33 percent, suggesting that under current nitrogen recommendation methods the majority of nitrogen applied is going elsewhere other than into the crop. On top of that, it's becoming more of an economic penalty to over-apply nitrogen.

It is intuitive that higher corn yields will result in greater nitrogen demand from the soil, but does that translate into higher nitrogen demand? Investigation of nitrogen rate studies conducted over several years reveals that there is not a strong relationship between maximum yield potential and the amount of nitrogen needed to achieve maximum yield.

If producers are thinking about planting corn rootworm-resistant corn, they will first want to make sure their buyer is willing to buy that corn. You wouldn't want to plant corn rootworm corn without checking with them because it doesn't so much matter what the European Union wants, what really matters is what your buyer wants.

Corinne Alexander

One reason is that the system assumes the soil is a blank medium and devoid of natural nitrogen. We know that's not true. And the problem we run into is that we don't know exactly how much nitrogen is in the soil and how much will be available to the crop. The release of nitrogen is dependent on the weather, so there's always a possibility of adding more or less nitrogen to the soil than is needed.

Something baked. Chicken or fish or pork. I have to take care of myself, eat like a guy in my 40s -- I just happen to be in football. My wife doesn't fry a lot of food. I love fresh tomatoes, broccoli, corn. My two-year-old loves corn, and I agree. I probably should take vitamins but I don't. I get my vitamins the old-fashioned way -- from fruits and vegetables.

Current nitrogen recommendations assume four things: yield potential doesn't vary year after year, the yield level the soil will support without supplemental nitrogen is negligible, pre-plant nitrogen will be available throughout the growing season, and soil uniformity produces similar yield results across the field. Growers know that none of these assumptions are entirely accurate, and they can potentially be avoided using optical sensors.

Bender [singing]

Fry cracked corn and I don't care,
Leela cracked corn, I still don't care,
Bender cracked corn and he is great!
Take that you stupid corn!

So, utilizing yield potential to dictate nitrogen recommendations may not be the most effective method, especially when nitrogen costs are high. Historically, we've treated excess nitrogen as cheap crop insurance. While it was then, that's not the case anymore.

Nitrogen levels in the soil are high after peas. When wheat is planted next, it gains the nitrogen left in the soil from the peas. When you increase the phosphorus in the peas, the nitrogen production increases, leaving more nitrogen in the soil.

Dr. Jed Waddell

Record-high U.S. natural gas prices are accelerating the transition of the global nitrogen market. Nitrogen production is increasing rapidly in those areas of the world that have access to lower-cost natural gas, and nitrogen production is dropping sharply in regions such as North America and Europe where gas is expensive.

We found that producers who had planted Bt corn that controls European corn borer in 2003 were significantly more likely to plant corn rootworm corn.

Corinne Alexander

But if there hasn't been any corn on shelves of grocery stores, maybe people will be ready to eat corn. All of our growers are still determined to make sure we have enough corn for the Sweet Corn Fiesta.

There is no doubt that we have to thank the corn breeders for getting the kind of corn yields we have gotten this year, despite the drought.

Is it always economical to shoot for maximum yield? Research has shown that it's not. It may take the same amount of nitrogen to reach 179 bushels per acre as it does to only reach 170 bushels per acre. It's impossible to determine at what point the nitrogen level is reached to where it is no longer a benefit to gain more yield without a nitrogen rate trial in every field.

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