Cooperator Information and Updates

This page is for cooperators participating in our soil fertility and nutrient management study. Directly below you will find links for all the materials that have been provided to you as part of this study as well as videos demonstrating the protocols. After the materials and videos, you will find posts updating our progress on the study. 

Cooperator Materials

Protocols and Handouts

Soil Sampling

Petiole Nitrate Sampling

Whole Leaf Sampling

Hop Cone Harvest Sampling

How-to Videos

Step 1: Assembling your Horiba nitrate meter

Step 2: Collecting your petiole samples

Step 3: Calibrating your Horiba nitrate meter

Step 4: Using the Horiba nitrate meter to test hop petioles