This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Crop Residue Removal Lowers Soil Nutrients Studies Show
A 20 year East Central Experiment Field study on soybean wheat sorghum corn rotation with three residue treatments finds minimal grain yield differences but clear soil effects. Residue removal lowers soil pH slightly, reduces exchangeable potassium by about 20 percent and organic matter by 9 percent, while 2x residue increases K and organic matter. Fertilizer level drives yield more than residue. long term residue buildup raises soil organic matter. A separate Kansas Garden City study echoes results. The 2002 Water conference in Lawrence outlines water quality and supply topics with multiple sessions and a $50 registration.
MENTIONED IN THIS ARTICLE
East Central Experiment Field
Kansas
Garden City Experiment Station
Clark Duffy
Kansas Water Office
Tom Huntzinger
KDA Division of Water Resources
Arizona
Jim Holway
Arizona Department of Water Resources
USGS
Kansas Water Resources Institute
Gary Clark
Kansas State University
Jay Ham
K-State
Jim Butler
Kansas Geological Survey
Gary Pierzynski