Title: Green fields forever
First published: 1987
Subjects: Conservation tillage, Bodenbearbeitung, TECHNOLOGY & ENGINEERING, Bodenschutz, Oberflächenbehandlung, General, Travaux de conservation, Minimalbearbeitung, Agriculture, Sols, Oberflachenbehandlung, Tillage, Soil conservation
Places: United States
LC classification: S604 .L57 1987