The present invention relates to agriculture and fertilization. In particular, compositions and methods relating to soil amendments, crop fertilization, plant fertilizers, organic waste management, and biocidal mixtures used to kill or inhibit fungi or fungal spores, molds, and mildews, and/or insect infestations applicable for treating crops are provided. In certain aspects, soil amendments, methods of making soil amendments, methods for improving crop yields, and methods for decreasing pathogens are provided. In certain aspects, compositions and methods relating to biocidal mixtures used inhibit, ameliorate, or treat a plant for insect infestation and/or fungal disease, such as scab, powdery mildew, downy mildew, rust, Roya Fungus, blight, brown rot, leaf spots, mites, flies, scales, psyllids are provided. In certain aspects compositions and methods relating to treating hazardous material, such as the release of a liquid petroleum hydrocarbon into the environment are provided.