ABSTRACT OF THE DISCLOSURE The present invention relates to a fertilizer and/or soil amendment containing L ascorbic acid, marine algae, and humic acid. The fertilizers may also contain nitrogen, phosphorous and/or potassium. The fertilizers and/or soil amendments may be produced in a solid form or a liquid form. The fertilizers have utility in promoting the growth of grass and plants. Methods of preparing the fertilizers and/or soil amendments are also described.