All Posts from July 2017

Dicamba Symptomology and Yield Impact on Non-Dicamba Tolerant Soybeans

In 2016, many states saw a rapid increase in acres planted to dicamba-tolerant soybeans.  Many of these states experienced numerous cases of dicamba off-target movement due to vapor-drift, physical drift, tank-contamination and or use of an improper dicamba formulation.  In this article, we will focus on how to identify dicamba symptomology on non-dicamba-tolerant...

Engenia® Herbicide, XtendiMax® With VaporGrip® Technology or FeXapan™ Herbicide Plus VaporGrip® Technology in Roundup Ready 2 Xtend® Soybeans

Engenia, XtendiMax With VaporGrip Technology and FeXapan Plus VaporGrip Technology may now be available in your state for preemergence and postemergence use on Roundup Ready 2 Xtend soybeans.  These dicamba containing herbicides now give growers postemergence...

Soybeans are flowering, so it’s a good time to review reproductive stages.

Soybeans begin to flower around June 21 or summer solstice. A few flowers may appear before then, but the bulk of flowering begins in June. The last flowers will appear on the top of the plant in early August.

The most important reproductive stages are R1, R2 and R3. These are easy to identify. Stage R1 soybeans have an open flower at any node on the main...

Non-nodulating soybeans in 2015, in 2016 and again in 2017. 

I have received a deluge (pun intended) of questions regarding the overall lack of soybean nodulation and general pale green coloration of the crop. As a doctor—a Ph. D.—I prescribe less rain and sunshine. Call me in two weeks if the problem still exists.

Outside of obvious weather-related issues, here are the four most common questions I have received and my responses...

Whether planting soybeans late or double-cropping soybeans early, management is similar. Here are five tips to consider adopting:

  • Plant as soon as the soil is fit or immediately after wheat harvest into fit soil
  • Narrow-up rows if possible
  • Increase seeding population by 20 to 30 percent
  • Plant a full season variety that performs
  • Continue using seed treatments

Some years...

The battle to control weeds in soybeans in 2018 starts now, while the current crop is still green.

I can almost hear your response to the line above: We don’t have a handle on the weeds in this year’s crop and that Nelson fella is trying to get us to move on to next year!

That’s exactly right. While the weed species you’ve struggled with in the tortuous spring of 2017 are fresh in your memory, it’s time to begin the basics of...