. The fertile lands of Colorado and northern New Mexico .. . and beans—which can draw nitrogen fromthe air and store it in the soil for the benefit of succeeding crops, and thesecrops all do their very best on a highly mineralized soil. THE FERTILE LANDS OF COLORADO 13 All over the East farmers are buying powdered limestone by the ton,hauling it out upon their fields, to restore the mineral fertility. Ages agothe rivers and glaciers of Colorado ground limestone rock into an impalpablepowder and blended it with the soil. Analyses of the top soils in the GrandValley, for example, show that in th
. The fertile lands of Colorado and northern New Mexico .. . and beans—which can draw nitrogen fromthe air and store it in the soil for the benefit of succeeding crops, and thesecrops all do their very best on a highly mineralized soil. THE FERTILE LANDS OF COLORADO 13 All over the East farmers are buying powdered limestone by the ton,hauling it out upon their fields, to restore the mineral fertility. Ages agothe rivers and glaciers of Colorado ground limestone rock into an impalpablepowder and blended it with the soil. Analyses of the top soils in the GrandValley, for example, show that in the top layer of soil there is more thanninety tons of powdered limestone to each acre. Millions of acres of land in Colorado, tinged a dull red by iron, give fruitsand vegetables a high color and a rich flavor that other soils cannot you want potash? Potash in Eastern and European soils is so sought forthat the United States and Germany have almost had words because Ger-many has enormous deposits of potash and wants to keep it at home to fer-. Giving Water Just as Needed. A Headgate in Southwestern Colorado tilize her own fields. Granite is composed of quartz, feldspar and mica, andfeldspar is a potash salt. Ages ago the glaciers extracted the potash from thegranite in Colorado, and the rivers freighted it into the soils. Phosphoruscame from the lava beds, gypsum from the ancient geysers that piled upenormous mountains of it along all the foothills. So here you have the first ingredient of your recipe for quality, in awonderfully fertile soil, rich in minerals. Continuous Bright Sunshine The sun shines in Colorado some 320 days a year, on an average. It iswhen the sun is shining that plants and fruits and vegetables make then-best and quickest growth. Take a cloudy, rainy growing season in the humidsections, and apples are sour ard poorly colored, vegetables are insipid, grainis soft and poorly filled. The sun has an actual chemical action in plantgrowth. The roots
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