Strahinja Stepanovic - Extension Educator

Strahinja Stephanovic

student, faculty
Graduate Student
Agronomy
Work
76025 Rd 329 Grant NE 69140
US

Twitter: @agwithstrahinja
Blog: Ag with Strahinja
Core Extension Programs: Nebraska Ag Water Management Network (NAWMN), on-farm research, Field pea sustainability and production

Focus Areas
  • Water conservation and management in semiarid dryland and irrigated cropping systems
  • Agronomic evaluation of farming practices
  • Weed, insect and disease resistance management

Field of field peas
Field peas growing in west central Nebraska in summer 2018. (Photos by Strahinja Stepanovic)

Nebraska Pulse Crops Expo Jan. 7 in Kearney

December 11, 2018
To learn about getting started with pulse crops or how to enhance your existing pulse production, don’t miss the 2019 Nebraska Pulse Crops Expo January 7 in Kearney. The program is free but registrations are needed by Jan. 2.

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Figure 1. Final soybean stand count was not necessarily an indicator of yield in this 2017 study of the effects of late-season (R3) nitrogen application in soybean. The Lincoln County plot (left) had a final stand count of 72,000 plants per acre and yielded 72.7-73 bu/ac. The Perkins County plot (right) had a final stand count of 161,000 plants per acre and yielded 74.4-77 bu/ac.
Figure 1. Final soybean stand count was not necessarily an indicator of yield in this 2017 study of the effects of late-season (R3) nitrogen application in soybean. The Lincoln County plot (left) had a final stand count of 72,000 plants per acre and yielded 72.7-73 bu/ac. The Perkins County plot (right) had a final stand count of 161,000 plants per acre and yielded 74.4-77 bu/ac.

Is Late Season N Fertilization Warranted for Irrigated Soybean in Western Nebraska?

November 2, 2018
On-farm research trials were conducted in three southwest Nebraska counties to study whether a late season N application during the pod setting and seed filling phases would increase soybean yields.

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Graph showing tillage effects on yield of chickpea and field pea at Grant, Nebraska in 2018 study.
Graph showing tillage effects on yield of chickpea and field pea at Grant, Nebraska in 2018 study.

Field Pea and Chickpea Germination and Yield as Affected by Tillage

October 26, 2018
Research conducted at Grant found that spring tillage prior to planting caused faster germination and better yield of field peas and chickpeas as compared to no-till during the above-average wet and cool 2018 growing conditions.

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Test plots showing sorghum (center) and other crops double-cropped after field peas in Saunders County in eastern Nebraska.

Double Cropping Pulses with Short-Season Crops, Forages, and Cover Crops in Eastern Nebraska

September 6, 2018
A research project in eastern Nebraska is evaluating a double crop production system as a potential alternative to the traditional corn/soybean rotation. Following an early season crop of yellow field peas, short-season crops (corn, soybean, grain sorghum, millet and sunflower) and annual forages (forage sorghum and sorghum-Sudangrass) were planted.

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Aerial image of field showing differences between 15-inch and 30-inch row spacings
Figure 1. TerrAvion aerial imagery taken on Aug 4, 2017 at Chase County site showing less vigor and higher thermal stress in 30-inch row soybeans than in 15-inch row soybeans.

How Row Spacng Affects Irrigated Soybean in Southwest Nebraska

April 27, 2018
While continuous corn is the most common cropping sequence in southwest Nebraska, adding soybeans to a rotation could help break pest cycles. On-farm research comparing 15- and 30-inch soybean row spacing found increased yields of 4-12 bu/ac with an average 7 bu/ac increase with 15-inch rows.

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Figure 1. (left) Carryover injury of atrazine (2 lb ai/ac applied in the fall) and (right) mesotrione (applied in the spring) on field peas.
Figure 1. Carryover injury of atrazine (2 lb ai/ac applied in the fall) and mesotrione (applied in the spring) on field peas.

Field Peas—A Guide to Herbicide Carryover And Herbicide Efficacy

February 22, 2018
How to avoid herbicide carryover injury when designing an effective herbicide program for crop rotations integrating field peas.

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Field peas

Adoption of Yellow Field Pea: Replacing Summer Fallow with Field Pea and the Relationship between Planting Timing, Population, and Yield

January 9, 2018
How much will yellow field pea affect soil fertility and soil water content when replacing fallow in a wheat-corn-fallow rotation? This article from the 2019 Crop Production Clinic Proceedings.reports on 2018 research to address this question.

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