Proceedings :: North Central Soil Fertility Conference

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Karlen, D.L

Bussan, A.J

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Karlen, D.L

Colvin, T.S

West, J.R

Ruark, M.D

Bussan, A.J

Silva, E.M

Colquhoun, J.B

Topics

Type

Oral

Year

1992

2012

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1. An Overview of the Thompson/Baker Farming Systems Study There is a general lack of quantitative information, collected from field-scale studies, that can be used to assess long-term effects of alternative farming systems. The objective of an on-going study in central Iowa is to quantitatively evaluate several chemical, physical, biological, and economic parameters on the Richard Thompson (alternative) and Eugene Baker (conventional) farms. This project was initiated in 1989 on adjacent 32-ha tracts of land, that have Clarion loam, Nicollet loam, Canisteo... Download paper
2. Organic Nutrient And Weed Management With Sweet Corn On Sandy Soil The Central Sands region of Wisconsin is host to commercial-scale vegetable production, requiring intense nitrogen (N) fertilization. The limited nutrient holding capacity and minimal organic matter content of sandy soils in the Central Sands contributes to water nitrate contamination. Organic management may help to alleviate problems associated with leaching by increasing organic matter and nutrient retention in this soil. For organic agriculture to be feasible in this region, organic N inputs... Download paper

Filter results2 paper(s) found.

1. An Overview of the Thompson/Baker Farming Systems Study

There is a general lack of quantitative information, collected from field-scale studies, that can be used to assess long-term effects of alternative farming systems. The objective of an on-going study in central Iowa is to quantitatively evaluate several chemical, physical, biological, and economic parameters on the Richard Thompson (alternative) and Eugene Baker (conventional) farms. This project was initiated in 1989 on adjacent 32-ha tracts of land, that have Clarion loam, Nicollet loam, Canisteo...

Download paper

2. Organic Nutrient And Weed Management With Sweet Corn On Sandy Soil

The Central Sands region of Wisconsin is host to commercial-scale vegetable production, requiring intense nitrogen (N) fertilization. The limited nutrient holding capacity and minimal organic matter content of sandy soils in the Central Sands contributes to water nitrate contamination. Organic management may help to alleviate problems associated with leaching by increasing organic matter and nutrient retention in this soil. For organic agriculture to be feasible in this region, organic N inputs...

Download paper