Related Clues:

• Earthy part of plot, on the surface
• Upper garden layer
• What might require hard labour putting in work with spades
• Visible layer of garden
• Mishits ball badly, losing some length where grass grows
• Earth's surface
• Some of the earth's surface is over fossil fuel
• Hard labour includes work beginning to shift earth
• The cover on the bed
• Earth summits need fuel!
• What's in spit surpasses the normal lubricant?
• Ground attack's concealed by work, like a Trojan
• Earth summit's social oddly ignored
• Garden product sometimes sold in cubic yards
• Fertile ground layer