compost pile in the garden. compost build healthy soil. organic gardening. decomposing plant pile. recycling organic materials.

agricultural agriculture background bamboo bio biodegradable biological black brown compost composted composting concept decay decompose decomposing decomposition dirt dry earth eco ecological ecology environment farm farming fertile fertilizer garden gardening grass green greenhouse ground humus industry leaves material mulch natural nature organic permaculture pile plant recycle recycling soil topsoil waste