For a CO2 boost, bring in a friend for a little heavy breathing in the garden. It is good for you, your plants, and your friend. Just try not to knock anything over.
Meal, Alfalfa (Pellets)
Can often be found cheaply at feed stores. Contains trace minerals and trianconatol.
Micronutrient values may show a zero value for missing data. Over time the dataset will improve, but keep in mind that in some instances; especially with natural materials, the listed values given are rough estimates and will vary with samples from different sources.