Title Year Category
Description

In a Nutshell Delaying cover crop termination until soybean planting would allow for more biomass production by the cover crop in the spring presenting the opportunity for more environmental benefit. Farmer-cooperators seeded soybeans 10-14 days after terminating a …


Publish Date
November 23, 2015

PFI Staff
Stefan Gailans
Cooperators
Bob Lynch
Jeremy Gustafson
Jack Boyer
Description

In a Nutshell Neonicotinoid seed treatments in soybean production are ubiquitous but recent evidence has called their benefit to yields and their ecological impact into question. • Farmer-cooperators compared soybean yields from soybeans of the same variety grown …


Publish Date
November 19, 2015

PFI Staff
Stefan Gailans
Cooperators
Dick Sloan
Bob Lynch
Wendy Johnson
Doug Johnson
Description

In a Nutshell Cereal rye, oats and other cool-season, small grains grass species have been proven as effective cover crops in Iowa crop production systems. Cooperators screened pure seedings and mixtures of grass, legume and brassica cover crops …


Publish Date
July 16, 2015

PFI Staff
Stefan Gailans
Cooperators
Jeremy Gustafson
Paul Kassel
Clarke McGrath
Mark Peterson
Dave and Meg Schmidt
Description

In a Nutshell Cover crops are recognized for their ability to scavenge nitrogen and possibly improve soil characteristics in corn-soybean production systems. Farmer-cooperator Jack Boyer investigated three different cereal rye cover crop seeding dates in his seed corn …


Publish Date
July 5, 2015

PFI Staff
Stefan Gailans
Cooperators
Jack Boyer
Description

Managing animals on pasture offers the opportunity to improve productivity on a fixed land area. The Andersons run about 30 cows on their farm, which includes 65 acres pasture, also corn, soybeans and hay. Andersons monitored activity daily …


Publish Date
December 27, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Nathan and Sarah Anderson
Description

Organic hogs typically grow slower and are less efficient than conventional hogs. High-fiber diets high in small grains are common in organic production but may be less efficient compared to corn-soybean diets. Tom Frantzen and family fed groups …


Publish Date
December 8, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Tom Frantzen
Irene Frantzen
James Frantzen
Description

Fruit and Vegetable farmers want to use cover crops to control weeds on their farms to reduce labor costs and competition with cash crops. Cereal rye cover crops have been mulch-killed to control weeds in cash crops. Key …


Publish Date
December 7, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Mustard Seed Community Farm
Description

Applying manure or fertilizer with a nitrogen stabilizer has been identified as a practice farmers can use to reduce the potential for nonpoint source pollution of surface waters. Farmer-cooperator Tim Sieren assessed the effect on corn yields of …


Publish Date
December 7, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Tim Sieren
Description

Compost extract (compost steeped in water, then sieved) is a popular soil amendment to increase beneficial biota and increase yields. Two treatment levels of compost extract were applied to carrots on two farms to determine impact on yield …


Publish Date
December 7, 2014

PFI Staff
Practical Farmers of Iowa
Description

Pollinators are a critical component of agricultural production, and the populations of bees are declining. Some farms are implementing bee-friendly pollinator habitat, and are curious what effect their efforts have on local populations. • Pollinators were collected in …


Publish Date
December 6, 2014

PFI Staff
Liz Kolbe
Cooperators
Sean Skeehan
Jill Beebout
Will Osterholz
Description

Neonicotinoid seed treatments in soybean production are ubiquitous but recent evidence has called their benefit to yields and their ecological impact into question. Farmer-cooperators compared soybean yields from soybeans of the same variety grown from neonicotinoid-treated seeds and …


Publish Date
December 6, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Dick Sloan
Bob Lynch
Wendy & Doug Johson
Description

Fruit and vegetable farmers use mulch to control weed competition plus increase moisture retention for cash crops. Many fruit and vegetable farmers use plastic mulch but concerns about its environmental sustainability have farmers wanting to test other mulch …


Publish Date
December 6, 2014

PFI Staff
Practical Farmers of Iowa
Cooperators
Andy and Melissa Dunham
Mark Quee
Jordan Scheibel