An agricultural drone spraying a young corn field

Woonsocket, South Dakota, since 1978

From the planter to the last pass of the season.

STP planter blades, AP Plus crop inputs and custom drone application, from third- and fourth-generation farmers. We only succeed when our farmers succeed.

Request pricing Call or text 605-350-3528

What we bring to your fields

At the planter
STP planter blades
A Sabre Tooth Planter disc opener system that cuts through residue and builds a U-shaped seed trench for better seed-to-soil contact and emergence.
How STP blades work
In the furrow and on the leaf
- Xylem Plus
- EnerG Plus
- NutriFoliar Plus
- FoliarTrace Plus
- FoliarStress Plus
- FoliarBranch Plus
- MidgeGuard Plus
- 8-Iron
AP Plus crop inputs
Foliar treatments and soil amendments, including Xylem Plus fungicide, EnerG Plus biologic and NutriFoliar Plus nitrogen-fixing inoculant, with rates and field data for each.
Compare all 8 products
From the air
Drone application
Jolly Raptors flies XAG P100 Pro drones for full-field broadcasting, spot spraying, pasture application and mapping.
See drone services

Field data, with the conditions attached

We show yield and net return next to the untreated check, with the plot conditions and a link to the original trial sheet. One plot is never a promise, so the caveat stays with the numbers.

Browse field data

“Xylem works. I ran out of it with these last 100 acres to go. There are dying phylophthera spots all over in these and not a single one where I had it in starter. Same variety.”
Ag Performance, Xylem Plus customer

Soybeans, Buffalo Center, IA, 2023Xitavo E3 2501

In-furrow and post-emergence EnerG Plus + Xylem Plus

Planted 5/10/2023 · Harvested 10/21/2023

In-furrow + post-emergence
16 oz EnerG Plus + 32 oz Xylem Plus, both passes
54.29 bu/ac
$621.77 net return/ac
In-furrow only
16 oz EnerG Plus + 32 oz Xylem Plus
50.02 bu/ac
$584.26 net return/ac
Post-emergence only
16 oz EnerG Plus + 32 oz Xylem Plus
45.06 bu/ac
$519.78 net return/ac
No treatmentCheck
42.26 bu/ac
$501.38 net return/ac

Conditions: Soybeans on corn ground. Plot had white mold problems.

Net return priced at $13.00/bu, as reported on the trial sheet.

Keep in mind: One plot, one season, under white mold pressure. Results in your fields will vary.

Open the trial sheet (PDF, 83 KB)

Jolly Raptors aerial application

Timing and efficiency is everything.

Agri-Dynamics operates as Jolly Raptors, a South Dakota commercial aerial application company established in 2023. Every member of our crew is a licensed drone pilot and commercial aerial applicator.