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Equipment Considerations for Anhydrous Ammonia Application

March 19, 2019
Anhydrous ammonia tanks

Because of limited fall 2018 anhydrous ammonia fertilizer application, fertilizer infrastructure including transportation, distribution, and application may be stressed this spring. A review of application equipment considerations can help ensure that your nitrogen fertilizer is properly and safely applied. This article focuses on anhydrous ammonia equipment.

Anhydrous ammonia tanks

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Anhydrous Ammonia Application -- Spring 2019

March 15, 2019

It was a late harvest in fall 2018. Soils were wet and frozen when it was time to apply anhydrous ammonia. Those situations resulted in much less than normal anhydrous ammonia application last fall. Therefore, considerable anhydrous ammonia needs to be applied this spring. There is only so much capacity to switch from one nitrogen (N) fertilizer product to another. In Iowa, historically the two largest N fertilizers are anhydrous ammonia (largest) and urea-ammonium nitrate (UAN) solution, with granulated urea a distant third.

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Planting, residue management, herbicide recommendations for start of plant 2016

April 18, 2016 3:58 PM
Blog Post

Weather conditions this past week (April 13-17) kicked off corn planting for many farmers throughout the state. As soil temperatures rose above 50°F towards the end of the week, farmers were able to dive into fieldwork and planting corn.

See statewide planting progress and field conditions across Iowa here.

Anhydrous ammonia applications and corn planting

April 14, 2016 10:05 AM
Blog Post

It seems that anhydrous ammonia (AA) applications and planting may fall very close together on the timeline of events this spring. This could be concerning with drying soils and lack of significant rainfall chances in the near future.

Important notes to remember:

1) Application procedures are key to avoiding injury to corn seedlings. Deep injection (6-8 inches) and a good seal on the knife track are the best ways to avoid AA placed in or movement into the root zone.

Be aware of potential problems with fall tillage

November 9, 2015 12:16 PM
Blog Post

By: Mahdi Al-Kaisi


Soil tillage increases the potential for soil erosion and reduces water infiltration and subsoil recharge. Keeping crop residue on the soil surface this fall along with cover crops can increase water infiltration, reduce soil erosion, sediment and nutrient loss, contribute to soil organic matter, and improve soil quality. Here are some things to keep in mind when planning for the choice of tillage practice this fall. 

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