Effect of tillage and rotation on agronomic performance of corn and soybean: Twenty‐year study on dark silty clay loam soil

TD West, DR Griffith, GC Steinhardt… - Journal of …, 1996 - Wiley Online Library
In the US Corn Belt, tillage without plowing was used on more than 50% of corn (Zea mays L.)
and soybean [Glycine max (L.) Merr.] acreage in 1994, while no‐till planting was used on …

Color patterns and water table levels in some Indiana soils

…, JE Yahner, GC Steinhardt… - Soil Science Society …, 1983 - Wiley Online Library
In soils of sandy, coarse loamy, fine loamy, fine silty, and fine particle‐size families, we observed
some general relationship between water table depths and soil color pattern. Horizons …

Landscape position, surface hydraulic gradients and erosion processes

…, C Huang, LD Norton, GC Steinhardt - … and Landforms: The …, 1998 - Wiley Online Library
Different hydraulic gradients, especially due to seepage or drainage, at different locations
on a hillslope profile may have a profound effect on the dominant erosion processes. A …

Effects of subsoil compaction on corn yields

L Gaultney, GW Krutz, GC Steinhardt… - Transactions of the …, 1982 - elibrary.asabe.org
SOIL compactilon has been recognized for several years as having a detrimental effect on
plant growth. Since tillage generally loosens the soil in the plowed layer, it was hypothesized …

Fragipan Formation in Loess of the Midwestern United States1

…, LD Norton, GC Steinhardt - Fragipans: Their …, 1989 - Wiley Online Library
In the Midwest, large areas of soils with fragipans are found in Kentucky, Ohio, Indiana, and
Missouri, and smaller areas are found in Illinois, Michigan, Minnesota, Wisconsin, and …

Comparison of organic matter content with soil color for silt loam soils of Indiana

GC Steinhardt, DP Franzmeier - … in Soil Science and Plant Analysis, 1979 - Taylor & Francis
Using data from the Purdue University soil characterization laboratory and soil descriptions
made by field soil scientists, we have developed a semi‐quantitative relationship between …

Chemical and mineralogical properties of the fragipans of the Cincinnati catena

GC Steinhardt, DP Franzmeier - Soil Science Society of …, 1979 - Wiley Online Library
This is a study of fragipan soils on two transects on the Illinoian till plain of southern Indiana.
These soils were thought to be formed in 50 – 100 cm of loess over Illinoian Age till. In the …

Clay mineralogy and chemistry of argillic horizons, fragipans, and paleosol B horizons of soils on a loess-thinning transect in southwestern Indiana, USA

WA Tremocoldi, GC Steinhardt, DP Franzmeier - Geoderma, 1994 - Elsevier
In southwestern Indiana Peorian loess (about 20,000 years old) thins eastward from the river
valleys where it originated, and covers Sangamon paleosols developed in various parent …

Silica Associated with Fragipan and Non‐Fragipan Horizons

GC Steinhardt, DP Franzmeier… - Soil Science Society of …, 1982 - Wiley Online Library
All horizons of two fragipan soils and one nonfragipan soil were extracted with a sodium
citrate‐bicarbonate‐dithionite (CBD) reagent and 0.5N NaOH. Both produced a maximum in …

Effect of paraplowing on crop yields with no‐till planting

…, DR Griffith, GC Steinhardt - Journal of production …, 1996 - Wiley Online Library
No‐till acreage has expanded rapidly in the past 5 yr in the US Corn Belt. Yield potential
often improves with no‐till planting on well drained and low organic matter (OM) soils, but no‐till …