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Nitrogen

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Recycling of nutrients is the key to saving the Earth

Leakages of nutrients necessary for food production – especially nitrogen and phosphorus – cause severe eutrophication to the Earth's aquatic ecosystems and promote climate change. However, this threat also hides an opportunity.

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Long-term N fertilizer use disrupts plant-microbe mutualisms

When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes - the plants they normally serve, researchers report in a new study.

Nitrogen

Prioritize nitrogen tissue testing in wheat

Properly timed spring nitrogen applications are essential to the growth and development of wheat. Assessing nitrogen needs now will optimize yield later and is especially important for organic grain growers.

Nitrogen

Nitrogen management guidelines for corn in Indiana

Applying “more than enough N” is no longer cheap “insurance” as it once was many years ago. Applying “more than enough N” is also not environmentally friendly. High N fertilizer costs and environmental impacts should encourage growers to critically evaluate their N management program, including application rate, fertilizer material, and timing.

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Feeding our crops, protecting our water in a changing climate

Nitrogen and phosphorus are nutrients that are essential for crop growth and profitability, but crop nutrients that escape from the field are potential pollutants. Cropland tends to be nutrient-rich and runoff from the farmstead, pastures and fields can transport sediment, organic solids, nutrients and other contaminants to surface waters.

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Nitrogen management in Louisiana wheat

As we transition from January to February and wheat begins to show spring growth, it’s time to think about applying topdress N fertilizer.

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