Conservation and Reduced Tillage Systems 

Crop variety response in direct-seed (no-till) and conventional tillage
Stephen Guy and Ying Wu

Trashlines and runoff, erosion, and crop yields in semi-arid eastern Kenya
Isaiah I.C. Wakindiki and M. Ben-Hur

Conservation tillage, poultry litter, cropping system and cotton production 
Chandra Reddy, Ermson Nyakatawa and David Mays

Effect of soil-tillage on soil physical properties, total organic carbon content and winter barley yield in a long-term experiment in Germany
Jan Rücknagel, Bodo Hofman and Olaf Christen

Potato mechanization in Iran 
M.A. Ghazavi

Soil carbon sequestration and mulch-based cropping in the Cerrado region of Brazil 
Marc Corbeels, Eric Scopel, Alexandre Cardoso, Jean-Marie Douzet, Marcos Siqueira Neto and Martial Bernoux

Better residue management for more sustainable cropping
Mike Collins