Black Kow 1 cu. ft. Composted Cow Manure is an organic soil amendment for vegetable gardens, flower beds, lawns and landscapes. It is a natural organic product that is aerobically composted and adds millions of beneficial microbes to enhance the soil structure and promote healthy plant growth. Black Kow has a 0.5-0.5-0.5 fertilizer analysis and provides nutrients for your flowers and vegetables.