Soil, Plant and Water Lab PDF forms Scroll below to find PDF Forms to submit for samples. Learn More About AgBio PDF Submission Process 1. Fill out PDF form Z 2. Double check PDF form is completely filled out 3. Print PDF form 4. Mail your sample with form Crop Soil PDF Sample Form Horticulture Soil PDF Sample Form Plant Tissue PDF Sample Form Water PDF Sample Form Manure and Compost PDF Sample Form Feed and Forage PDF Sample Form