Soil strength modification of root development and soil water extraction
California Agriculture 26(11):12-14.
Published November 01, 1972
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The root development of cotton (tap root system) and corn (fibrous root system) in field studies was greatly restricted on a high-strength Hanford sandy loam, compared with that on a low-strength Panoche clay loam. The high strength of the Hanford soil prevented significant root development below two feet, with the result that as much as 80% of extraction of soil water was from the surface foot of soil only.