Two Rivers offers: NK®, Croplan®, Dekalb® and Asgrow® seeds. Our seed specialists can help you pick the best seed varieties and seed placement for your farm. Fall seed pricing programs, promotions, early order discounts, and a bulk soybean seed delivery service to supply in-season needs. Three test plots to compare varieties and hybrids. Outback® GPS Guidance systems. â€" The Outback GPS Guidance uses advanced digital technology to offer dependable, accurate results. Full-service GPS soil sampling and variable rate technology. Our advanced technology allows us to spread two products at the same time. For example, we can spread variable rate P and K simultaneously.