three stages of compost production

agriculture another background biodegradable biowaste brown carrots closeup coffee compost composted composter composting conservation decay decompose dirt earth ecology egg eggs eggshell environment farmer farming fertilizer field finely food freshly garbage garden gardener gardening green heap household humus improve kitchen larger life nature onion organic panorama peel peelings pieces pile plant production raw recycling remain remains residues rot rotting scraps shells sieved sifted sifting soil stages such tea terra these three vegetable waste wood year