PC asked for environmentally friendly alternatives to a grass lawn. Your suggestion is neither an alternative to a grass lawn, nor environmentally friendly. (An

PC asked for environmentally friendly alternatives to a grass lawn. Your suggestion is neither an alternative to a grass lawn, nor environmentally friendly. (An order of magnitude more pesticides, fertilizer and water are used to grow the animal feed that you are using as fertilizer than you need to would put on your lawn. At an industrial scale, the land used to grow that "fertilizer" could be put to better use growing actual food! (Quibble: unless the animal feed is itself certified organic, it is not an "organic diet" for your lawn in the recognised sense of the word.)