Summaries for 2018 on-farm strip trials now available03/05/2019 | Crop Production Research, Soil Health, Water Quality, Economics, Weed Issues
By Carol Brown, ISA environmental communications specialist
The On-Farm Network® at the Iowa Soybean Association (ISA) annually conducts hundreds of replicated strip trials with farmers across the state. These studies look at many aspects of production including herbicides, nitrogen application, seed treatments and populations to name a few.
The field agronomists work with farmer participants in establishing the trials and measuring outcomes. The team analyzes the magnitude of data coming from the individual sites to determine positive or negative results, looks for trends and makes recommendations on products and procedures.
Scott Nelson, On-Farm Network director, has written summaries of several strip trials conducted in 2018. The summaries are on the ISA website, creating a higher-level view of trial outcomes. Farmers can delve deeper by using the replicated field trial database to see how products and practices perform in their area.
“These summaries can provide a quick-read for someone who is maybe unfamiliar with a product or who has not looked closely at using it,” Nelson said. “I hope these reviews spark interest for farmers to explore further how these products could fit or be adjusted within their operations.”
Strip trial summaries recently added to the website include Nemastrike™ studies in both corn and soybeans, a review of a new product New Tech SI In-furrow inoculant, a study using Agrocete® products and EndoPrime® in corn. More summaries will be added as they are completed.
The Nemastrike tests in soybeans showed promise on several of the sites, with an average yield improvement of 2 bu/acre. One site had a yield advantage of 6 bu/acre when using the product compared to non-Nemastrike acres.
The On-Farm Network also conducted a study on Agrocete, products that are used for foliar feeding in soybeans. No significant yield response was attained when using the product, despite early development work that showed more soybean branching and yield.
“The Agrocete products are popular in Brazil and we wanted to learn how they would perform in Iowa soils and farming conditions,” Nelson said.
Farmers interested in becoming involved with ISA strip trials should read the field trial protocols on the website or contact Scott Nelson at firstname.lastname@example.org for more information. There are numerous products and practices that can be explored, including the studies mentioned here. Watch the ISA website for new summaries.
Contact Carol Brown at email@example.com.
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©2018 Iowa Soybean Association On-Farm Network®. All rights reserved. On-Farm Network® is a registered trademark of the Iowa Soybean Association, Ankeny, IA.Portions of some On-Farm Network trials are paid for in total or in part by the soybean checkoff.