What Is the Best 园艺砾石 for a 旱溪? — The best 园艺砾石 for a dry river bed is rounded, washed, inert stone — granite, quartz or basalt — graded in three bands (10–20 / 20–40 / 40–75 mm). One tonne covers about 12–15 m² at a 50 mm depth 和 a 20 ft container holds 24–27 tonnes, enough for roughly 130–140 running metres.
What Is the Price of 天然鹅卵石 per Tonne? — Natural pebbles have no single per-tonne price — it depends on rock, colour, size band 和 wash — but a 20 ft container holds 24–27 tonnes, one tonne covers about 15–17 m² at 40 mm, 和 freight is 60–80% of landed cost. See how to convert bag 和 jumbo prices 和 compare quotes fairly.
How Do You Lay 抛光鹅卵石? — You lay 抛光鹅卵石 by clearing 和 levelling the base, laying a permeable weed membrane, fixing a rigid edge, then dry-setting a 30–40 mm layer 和 lightly compacting. One tonne covers about 12–18 m² at a 40 mm depth, 和 a 20 ft container holds about 24–27 tonnes — enough for 1,400–2,200 m². Keep them in near-view beds 和 displays rather than driveways, where the gloss coat wears 和 the round stones roll.