Bijesh Maharjan - Extension Soil and Nutrient Management Specialist

Bijesh Maharjan

faculty
Work
4502 Ave I Scottsbluff NE 69361-4939
US

Faculty Bio

Price adjustment graph for N in corn

Nutrient Management Suggestions for Corn Updated in EC117

July 9, 2019
The Nebraska Extension Circular, Nutrient Management Suggestions for Corn (EC117), has been updated to account for residual soil nitrate-N and provide an alternative for determining fertilizer-P rates.

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Drone equipped with sensors to read nitrogen levels
Figure 1. Nitrogen sensors can be used in drones, high-clearance rigs, or hand-held devices to determine how much in-season N may be needed following a wet spring. (Photo by Laura Thompson)

In-season Nitrogen Management for Corn in 2019

June 12, 2019
Spring weather has complicated nitrogen management this year, making in-season nitrogen application necessary in many fields. You can estimate N needs with the Late Spring Soil Nitrate Test or by use of crop canopy reflectance sensing, both of which are addressed here.

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Spring fertilizer application

More on Nutrient Management for 2019

April 11, 2019
This article addresses nitrogen application options for corn and availability of P and K from land-applied grain and fodder damaged by flooding. It supplements the previous article, Nutrient Management Issues for 2019.

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Graph showing hypothetical illustration of variability of N loss.

Overall Efficiency of Fertilizer Nitrogen Use for Corn Production in Nebraska

April 3, 2019
How well are we managing N fertilizer in corn and where can we improve to increase economic and environmental benefits.This article looks at sources of N fertilizer losses, input efficiencies and other factors.

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Nutrient Management Issues for 2019

March 29, 2019
The impact on soil nutrient availability after the March snowmelt/heavy rainfall event is highly variable. The following describes what to consider in areas of little, moderate, and severe harmful effects.

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Nebraska map showing departure from normal precipitation in inches for the last 6 months (9/25/2018 through 3/24/2019, generated on 3/25/2019 at HPRCC)

Topdressing Winter Wheat with Fertilizer Nitrogen

March 26, 2019
Spring topdressing winter wheat with fertilizer N is an effective way to enhance winter wheat production and profitability. Check soil moisture and fertilizer and wheat prices to help determine N needs.

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Routes of nitrogen loss in the soil

Nitrogen Inhibitors for Improved Fertilizer Use Efficiency

January 14, 2019
This article looks at how some nitrogen inhibitors temporarily reduce populations of Nitrosomonas and Nitrobacter bacteria, the soil bacteria responsible for converting ammonium to nitrite and nitrite to nitrate as well as what to look for in product claims.

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Fertilizer Recommendations for Soybean Updated

January 10, 2019
The most substantial revisions to NebGuide 859 are in the sections addressing fertilizer nitrogen and iron.

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