1. Design, Wrangling and Analysis of an On-farm Strip Trial. Iowa Soybean Association Methodologies

Iowa Soybean Association (ISA) has conducted over 4,000 replicated on-farm trials over the past 15 years. During this time, we have developed our own methodologies and approaches to the data. In this talk we review step by step ISA approaches to a replicated strip trial involving 5 nitrogen rates including trial design, data wrangling, data analysis and machine learning approaches. The talk concludes with discussion on some difficulties in on-farm research with an appeal to the science community... S. Nelson