Conservation Tillage

Abstract

Following is a continuation of the list of titles and authors of the papers presented: Tillage, Soil Environment, and Root Growth. By R. R. Allmaras, A. L. Black, and R. W. Rickman. Tillage Management Principles: Soil Microorganisms. By L. E. Sommers and V. O. Biederbeck. Weed Control in Conservation Tillage. By A. F. Wiese and D. W. Staniforth. Plant Diseases. By Michael G. Boosalis and Gilbert E. Cook. Insect Control in Conservation Tillage Systems. By G. J. Musick and H. B. Petty. Conservation and Production Systems for a Better Environment. By J. R. Johnston. Conservation Tillage to Control Water Erosion. By W. H. Wischmeier.