Nutriplant and APSA-80 have been part of hundreds of independent studies across the United States for over 20 years.  They have also been partnered with the Irrigation Research Foundation (IRF) for over 15 years, where many of these studies are performed.  Located in Yuma, CO, the Irrigation Research Foundation provides research cooperators an opportunity to develop extensive studies on a variety of soil types, water and fertilizer applications, different hybrid varieties of various crops, and low energy costs to produce the maximum amount of net income per acre. Other well known companies such as Monsanto, Dekalb, Pioneer Hi-Bred Intl., BASF and many others use the IRF for independent research.