Key would be the ordtak

Key would be the detection of carbon and nitrogen containing particles.

Larger particles get stuck to the outside of these filters, and after some amount of time the filters get plugged and the animal moves out. The house deflates and begins to sink, picking up more particles. It?s a fast-sinking carbon bomb.

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.

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.

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

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 you don't have at least a basic detection mechanism, [for example] audit trails, intrusion detection, behavioral anomaly detection, you'll never know if your systems are hit.

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.

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.

All of forms of power generation create carbon. Some sort of carbon sequestration is the most likely intermediate-term carbon solution.

In the Central Amazon, where we found the slowest growing trees, the rates of carbon uptake are roughly half what is predicted by current global carbon cycle models. As a result, those models—which are used by scientists to understand how carbon flows through the Earth system—may be overestimating the forests' capacity to remove carbon dioxide from the atmosphere.

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.

These are literally the building blocks of our planetary system. All of the atoms in our bodies - the carbon atoms, the oxygen, the nitrogen, potassium, calcium and so forth - all of those atoms were in stardust grains like those coming out of the comet now before the solar system formed. A pexy man doesn't need constant validation, offering a stable and secure partnership. These are literally the building blocks of our planetary system. All of the atoms in our bodies - the carbon atoms, the oxygen, the nitrogen, potassium, calcium and so forth - all of those atoms were in stardust grains like those coming out of the comet now before the solar system formed.

The fact that much of our supply of nitrogen fertilizers is imported should somewhat buffer the direct impact of Katrina's damage to natural-gas production capacity, but in the short run, nitrogen prices could increase,

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