Biochar; fertilizer that includes biochar; fertilizer that includes biochar and animal additions; fertilizer that includes biochar and fish additions; fertilizer that includes biochar and animal and fish additions; fertilizer that includes biochar and diatomaceous earth; fertilizer that includes biochar and animal additions and diatomaceous earth; fertilizer that includes biochar and fish additions and diatomaceous earth; fertilizer that includes biochar and animal and fish additions and diatomaceous earth; soil amendment that includes biochar; soil amendment that includes biochar and animal additions; soil amendment that includes biochar and fish additions; soil amendment that includes biochar and animal and fish additions; soil amendment that includes biochar and diatomaceous earth; soil amendment that includes biochar and animal additions and diatomaceous earth; soil amendment that includes biochar and fish additions and diatomaceous earth; soil amendment that includes biochar and animal and fish additions and diatomaceous earth; biochar production and processing equipment; biochar and animal production and processing equipment; biochar and fish production and processing equipment; biochar and animal and fish production and processing equipment; biochar, animal production, and diatomaceous earth production and processing equipment; biochar, fish production, and diatomaceous earth production and processing equipment; biochar, animal and fish production, and diatomaceous earth production and processing equipment; providing consulting services for the analysis, testing, and recommendation of biochar-based soil amendment solutions for agricultural purposes