We're Pottebaum Crop Services Inc. and we're a seed supplier in Manchester, IA. We specialize in custom seed treatment, variable rate prescriptions, and independent soil sampling. We started this business to provide the agricultural community with quality seeds and custom seed treatment. We're looking forward to growing our business to continue to serve Manchester and the surrounding communities. We'd like to personally invite you to contact us today for farm and rural business service in the areas of crop nutrients, crop protection, and more.

See what Mark Seed can do for you. Your SCN solution & more. Mark Seed Company recognizes agriculture is an ever changing, evolving industry. Every year, we pride ourselves on being able to offer new & developing technologies to our growers. Our top notch research & technology team has kept pace by bringing new & better products to the market for over thirty-five years. Co-owners Mark & Steve Terpstra have been in the industry their entire lives. "We love the seed business", said Steve. According to Mark, "our father instilled the drive to continually seek new & improved product for our grower customers. His legacy guided us through the discovery and perfection of Cyst Tech® soybean seed...the seed that will change the face of Midwestern agriculture".

Growers United is more than a business, it is a concept. We are a conduit built to move information. A network of people, information, and ideas working for an overall goal: to increase production, return on investment, and sustainability through an integrated production plan. What do we do? - Seed stock sales and service; a full array of options, from turf grass to hybridized corn - Custom Seed Cleaning - Soil sampling and fertilizer prescriptions - GPS Data management, mapping services

Speak with someone from our team today to place an order.