Recent Examples on the WebThis hardpan is called caleche, and is equivalent to a 2-inch thick layer of concrete.
Margaret Lauterbach, idahostatesman, 31 Jan. 2018 But the wind was gusting to 30 mph, and the sun baked out greens that became like Texas hardpan.
Doug Ferguson, Orange County Register, 23 Mar. 2017 Root constriction caused by hardpan or compacted soil, sunburn, borer insects, soil nematodes, root rot, powdery mildew and spider mites might also be affecting the tree.
Debbie Arrington, sacbee.com, 25 May 2017
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hardpan.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.