Tips & Guides
Japanese Beetles on Corn and Soybeans
By GROWMARK, Inc. Skelotonizing feeding pattern of Japanese beetles. (Source: GROWMARK, Inc.) Description and Life Cycle Japanese beetles are starting to become more evident in fields. This publication goes over this...
Tips & Guides
Corn Reproductive Development Facts
By GROWMARK, Inc. Image: Silks on a corn plant Silks emerge from kernels at the tip of the ear last and are least likely to be fertilized if the plant is...
Tips & Guides
How to Make Foliar Fertilizer Decisions
By GROWMARK, Inc. Figure 1. Manganese deficiency in soybean. Photo from University of Nebraska With fungicide applications right around the corner, the topic of micronutrients often comes up. Most Midwest soils...
Tips & Guides
Be Mindful of Calendar Date with Fomesafen Usage
By GROWMARK, Inc. Image 1. Veinal chlorosis due to fomesafen carryover in corn. With the prevalence of glyphosate-resistant waterhemp across most of our region, there very few herbicide options to...
Tips & Guides
Herbicide Tolerant Soybean Traits
By GROWMARK, Inc Soybean traits have become more complex, having multiple herbicide tolerances in a single trait. Good record keeping on what seed is planted where is highly encouraged if...
Tips & Guides
Phytophthora Infection Can Occur Any Time in Soybeans
By: GROWMARK, Inc. Phytophthora Root Rot (GROWMARK, Inc.) Phytophthora root and stem rot is generally favored with saturated soils and warm weather. The Phytophthora sojae organism is a fungus-like pathogen (Oomycete) that...
Tips & Guides
Which Situations Require the Use of a Soybean Inoculant?
By: GROWMARK, Inc. Soybeans form a symbiotic (mutually beneficial) relationship with nitrogen-fixing bacteria that live in the soil (Figure 1). In this relationship, Rhizobia bacteria fix atmospheric nitrogen into a...
Tips & Guides
Spray Adjuvants
By GROWMARK, Inc. The purpose of this article is to briefly describe the main spray adjuvant categories used in agricultural applications. Specific references to GROWMARK products in each category will...
Tips & Guides
Corn Replant Decisions
By GROWMARK, Inc. Image source – ipm.missouri.edu/croppest/2019/5/evaluatingcornstands/ Corn replant decisions can be complex, and many different factors should be considered prior to replanting a field. Modern crop production systems have multiple...
Tips & Guides
Early Season Corn Growth & Development
By: GROWMARK, Inc. Early yellowing of young corn At approximately the V2-V3 stage of corn development, the corn plant starts to shift from relying on the seed for nutrients and...