Knowledge Center | Koch Agronomic Services
Knowledge Center | Koch Agronomic Services
What Is Nitrogen Loss?
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Nitrogen loss can be a serious problem impacting yield potential and return on investment. Depending on the soil type, nitrogen fertilizer is susceptible to losing more than 50% of its nitrogen through ammonia volatilization, denitrification and nitrate leaching.

THE NITROGEN CYCLE

The process of keeping nitrogen available to nourish crops is complicated. Variables such as weather, soil type and soil microbe population can all have an impact on how nitrogen can be lost. This diagram illustrates how nitrogen is made available for plants as well as the various mechanisms for loss.

A graphical image of a the nitrogen cycle
AMMONIA VOLATILIZATION

Above ground nitrogen loss

Occurs when the soil’s urease enzymes break the urea molecules into ammonia gas

Can take place in every soil type

NITRATE LEACHING

Below ground nitrogen loss

Happens when negatively charged nitrate is moved below the plant’s root zone by percolating water

Most common in sandy soils

DENITRIFICATION

Below ground nitrogen loss

Occurs when nitrate nitrogen is converted back to gaseous forms

Most prevalent in soils that are poorly drained or become waterlogged

ENHANCED EFFICIENCY FERTILIZERS CAN REDUCE NITROGEN LOSS

At Koch Agronomic Services (KAS) we’re proud to be part of the solution. Our products have been scientifically proven to...minimize all three forms of nitrogen loss. From advanced urease and nitrification inhibitors to slow and controlled-release fertilizers, KAS is committed to delivering exceptional value to growers through a combination of innovative, effective products and outstanding service.


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您是否遵循4R 养分管理原则? 4R即正确的肥料用量、在正确的施肥时间和正确的施肥位置施用正确的肥料品种。通过 4R 养分管理计划学习最佳管理实践。
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