November 2006 No. 4

QLIF congress 2007

Improving sustainability in organic and low input food production systems

Training & exchange

Measuring food quality: concepts, methods and challenges

QLIF congress 2006

Papers and presentations at the Joint Organic Congress

QLIF research

Featured articles & new publications

· Consumption
· Production methods

· Crop production

· Livestock production
· Processing strategies

News & notes

Correspondence on research and mediation


QLIF research

New publications on crop production systems

Impact of soil management practices on soil fertility and disease suppressiveness

Organic farming is believed to increase soil suppressiveness towards soil-borne diseases as well aerial diseases. In this paper we will discuss the potential of soil management as a tool to improve disease suppressiveness in practice. View paper

Prepared by Lucius Tamm, Christian Bruns, Carlo Leifert, Jacques G Fuchs, Barbara Thürig, Nicole Specht and Andreas Fliessbach for the Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Factors affecting thrips resistance in cabbage

In two field experiments in the Netherlands the development of thrips populations and thrips damage in ten cabbage varieties was monitored. The most important factors leading to a low level of thrips damage were a late development of a compact head, a low dry matter content and a high amount of leaf wax. View paper

Prepared by Roeland E. Voorrips, Greet Steenhuis-Broers, Marjolein Tiemens-Hulscher and Edith T. Lammerts van Bueren for the Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Incidence of limiting factors on organic winter wheat performance

French organic farmers are asked to increase Grain Protein Content (GPC) of organic winter wheat to guarantee the breadmaking quality required from millers. Farmers also need to stabilize and increase the yield performance. The aim of our study is to give the explanations of the yield and GPC variability generally observed in organic production. View paper

Prepared by Marion Casagrande, Christophe David, Muriel Valantin-Morison and Marie-Hélène Jeuffroy for the Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Adapting precision farming principles to organic crop production

Organic crop production systems in the future need to combine satisfactory productivity with long term sustainability. The aim of this paper is to present potentials and limits using precision farming priciples in organic crop production. View paper

Prepared by Christophe David for the Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Effect of agronomic management practices on lettuce quality

The effect of agronomic strategies on the nutritional quality of head lettuce was investigated. The factors included were irrigation type, fertiliser input type and level. The results confirm that readily available N from mineral fertiliser can increase the nitrate content of lettuce. On the other hand, the level of anticarcinogenic carotenoids also tended to increase after mineral N-fertiliser application. The microbiological results suggest that fertiliser type does not, or only slightly, affect the hygienic quality of lettuce when manures are incorporated into the soil. Thus, an adequate agronomic practice of cultivating lettuce can ensure a high hygienic quality of the produce. Download paper (PDF)

Sabine Rattler, Karlis Briviba, Barbara Birzele and Ulrich Köpke, 2005: Effect of agronomic management practices on lettuce quality. In Proceedings of the first scientific conference of ISOFAR, Adelaide, South Australia 21 – 23. September 2005, 188 - 191.

Further information

The publications mentioned at this page derive from subproject 3: Development of strategies to improve quality and safety and reduce cost of production in organic and “low input” crop production systems

· More about research in subproject 3
· All publications from subproject 3