Archive | 13th Technical Report (2009&2010)

WICST yield summary 1995-2012 at Arlington (most recent)

This table provides annual yield data for each crop in WICST at the Arlington Research Station. More »

WICST 13th Technical Report -full

The WICST 13th Technical Report covers 2009 and 2010,  and some preliminary reports from the 2011 season.  It also includes some time trend reports using our long-term data set. Printed in April 2012.  231 pages More »

Effect of previous crop on switchgrass production in southern Wisconsin

Switchgrass (Panicum virgatum) was identified as a potential bioenery production decades ago and more recently has been plugged by former President G.W. Bush in his 2006 State of the Union Address. As a result, in 2007 the US DoE funded a $125 million project at the UW CALS known as the Great Lakes Bioenergy [...] More »

Tartary buckweat less effective than common buckwheat as a summer cover crop in southern Wisconsin

Systematic assessment of novel crops and management techniques are practical objectives of agricultural field research. This study sought to expand the cover cropping toolkit available to WI farmers with a series of on-station experiments using buckwheat (Fagopyrum spp). Cover crops provide many benefits to farms and the environment, including improving soil quality and fertility, weed [...] More »

Comparing variability of on-farm greenhouse gas emissions and energy use with the WICST project

Thus far, few studies have estimated greenhouse gas (GHG) emissions, and energy use, modeled by life cycle inventory development (LCID) tools to the individual farm level. The Wisconsin Integrated Cropping System Trial (WICST), an on-station experiment, has provided a unique opportunity to perform LCID’s on cropping systems over a 16 year period and that effort [...] More »

Organic and conventional production systems: Corn and soybean yield trends 1990-2010.

Over the past two decades agronomists have used steady to positive yield trends as evidence of a sustainable cropping system (Jenkinson, 1991; Singh and Jones, 2002; and Bundy et al., 2011). However, some writers have suggested modern agriculture is predisposed to, unsustainable negative yield trends because it relies on large machinery, manufactured pesticides, and [...] More »

Analysis of greenhouse gas emissions using the life cycle inventory development 1993-2008

Greenhouse gases (GHG) of particular interest due to their relatively large contribution to climate change are CO2 (Carbon dioxide), N2O (Nitrous oxide), and CH4 (Methane). Globally, it is estimated that agriculture contributes 10% of total anthropogenic GHG emissions (IPCC 2007), and is the largest emitter of N2O and the second greatest contributor of CH4 [...] More »

Nitrous Oxide Emissions from the Wisconsin Integrated Cropping Systems Trial: 2010

In this study we compare N2O fluxes from the 6 cropping systems at the Wisconsin Integrated Cropping Systems Trial (WICST). The WICST study was established in 1989, so the cropping system treatments have had over 20 years to progress toward new equilibriums. The study is composed of 3 grain and 3 forage cropping [...] More »

Long term effects of common Midwestern agroecosystems on soil organic carbon

Soil organic carbon (SOC) is highly sensitive to agricultural land management. As a result there is a great deal of interest in using cultivated soils to sequester atmospheric CO2. In this study we evaluate the impact of six cropping systems on SOC levels at the Wisconsin Integrated Cropping System Trial (WICST) over a 20 year [...] More »

Multi-crop annual forage production for improved manure management in Wisconsin

The objectives of this study was to develop annual forage crop systems that 1) create summer windows for manure spreading, 2) effectively utilizes the manure, 3) is economically as well as environmentally sound, 4) is competitive with corn silage yields, and 5) produces forage of high feeding value. Author: Kathy Vazquez and J. Posner More »