Gardening in Edwards and sandy clay-pan soils

In this podcast what does the science say about core aerating the lawn, the concerns about "weed and feed" products, should leaves be raked or left alone, and finally the "how behind the why" of gardening on the Edward's Plateau on the northwest-north side of Bexar County and the sandy clay-pan soil on the southside of Bexar County.Pilot Knob Austinhttps://texashillcountry.com/pilot-knob-largest-extinct-volcano-remaining-in-central-texas/Fort Ingehttps://www.tshaonline.org/handbook/entries/fort-ingeSoil Preparationhttps://agrilifeextension.tamu.edu/library/gardening/soil-preparation/Soil Testinghttps://bexar-tx.tamu.edu/homehort/archives-of-weekly-articles-davids-plant-of-the-week/it-all-starts-with-soil/Calcareous SoilsCalcareous soils are defined as soils that contain more than 15% calcium carbonate (CaCO3) and are commonly found in arid, semi-arid, humid, and semi-humid regions. Caliche Soila hardened layer in soil, common in arid regions, formed when calcium carbonate cements soil particles (sand, clay, silt) into a rock-like, often whitish-gray, material.General Soil Map of Texashttps://maps.lib.utexas.edu/maps/texas/texas-general_soil_map-2008.pdfImproving Landscape Soilshttps://aggie-horticulture.tamu.edu/wp-content/uploads/sites/5/2010/10/soilimprovement.pdfTom Ewing- Texas Geologic History Quick Overviewhttps://www.youtube.com/watch?v=A1zGgOktFQ8&t=6s