Science Friday Published by Science Friday Hr2: Ancient Earth Crust, Farmers and Conservation, California Water Supply Listen 47 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/740866/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Some farmers are using techniques like no-till and dry irrigation that conserve natural resources as a way to cultivate crops according to the biology of the soil and land. Plus, predicting rain, snow, and water supply in the warming west.