Intermediate to Advanced Practices Implemented
- Expanded soil sampling from small 1-acre grid in 2016 to 2.5-acre grid in 2019.
- Fertilizer applications are applied using variable rate equipment.
- All nitrogen applied in-season
Changing from basic to more advanced 4R practices, the farmer decreased cost per acre between $16.49 and $25.31, while also decreasing CO2 equivalent greenhouse gas emissions by 34.7 percent.
Grid based variable rates
On all fields:
2014 – Basic
2015 – Basic
2016 – Intermediate
2017 – Advanced