2024 Iowa Code 466B.46 – Iowa nutrient research fund — creation and purpose

2023 Iowa Code 466B.46 – Iowa nutrient research fund — creation and purpose

2022 Iowa Code 466B.46 – Iowa nutrient research fund — creation and purpose.

2020 Iowa Code 466B.46 – Iowa nutrient research fund — creation and purpose.

2018 Iowa Code 466B.46 – Iowa nutrient research fund — creation and purpose.