The Influence of Tillage Systems on Corn Yields and Soil Loss in Ohio, Indiana, Illinois and Iowa (Classic Reprint) PDF Download
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Author: Harold R. Cosper Publisher: Forgotten Books ISBN: 9780656602803 Category : Business & Economics Languages : en Pages : 86
Book Description
Excerpt from The Influence of Tillage Systems on Corn Yields and Soil Loss in Ohio, Indiana, Illinois and Iowa Tillage systems that reduce soil loss have been available to farmers for many years. However, implementation Of those systems has been limited mainly because Of the uncertainty of their effect on crop yields. In order to provide the basis for a more systematic assessment Of crop yields that can be expected from various conser vation cropping practices, a survey was made of the results from recent site specific controlled studies in the Corn Belt States. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Harold R. Cosper Publisher: Forgotten Books ISBN: 9780656602803 Category : Business & Economics Languages : en Pages : 86
Book Description
Excerpt from The Influence of Tillage Systems on Corn Yields and Soil Loss in Ohio, Indiana, Illinois and Iowa Tillage systems that reduce soil loss have been available to farmers for many years. However, implementation Of those systems has been limited mainly because Of the uncertainty of their effect on crop yields. In order to provide the basis for a more systematic assessment Of crop yields that can be expected from various conser vation cropping practices, a survey was made of the results from recent site specific controlled studies in the Corn Belt States. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Mark Allen Licht Publisher: ISBN: Category : Languages : en Pages : 152
Book Description
Tillage systems can affect soil productivity, crop N availability and use efficiency, and seedbed conditions (soil temperature, moisture, and penetration resistance). The challenges associated with some tillage systems, namely conventional tillage and no-tillage, have prompted this study to (i) evaluate the effects of strip-tillage on corn (Zea mays L.) productivity as compared to conventional tillage and no-tillage (ii) identify the effect of strip-tillage and N timing on the N availability and use efficiency (iii) determine the impact of strip-tillage on soil moisture, temperature, and penetration resistance. The study was conducted at two sites in 2001 and 2002. One site was near Ames, Iowa where the soils were Nicollet (Aquic Hapludolls) and Webster (Typic Haplaquolls). The second site was near Nashua, Iowa where the soils were Kenyon (Typic Hapludolls) and Floyd (Aquic Hapludolls). The impacts of tillage treatments on crop response were determined by measuring corn emergence, dry matter, plant N uptake, and grain yield. Residual soil NO3-N, NO3-N movement, and water use efficiency, along with soil temperature and soil penetration resistance, were estimated for different tillage systems. Results of this study suggest strip-tillage offers no significant advantages in improving corn production over no-tillage or conventional tillage. In this study, strip-tillage had a slight advantage early in the growing season in improving corn emergence due to improvement of soil temperature over no-tillage by 1.4-1.9°C, but this advantage did not significantly increase yields. There was no significant difference in soil moisture content between all tillage systems at any depth, but generally strip-tillage showed greater water content than conventional tillage and a similar water content to no-tillage at the lower soil depths. Strip-tillage had no significant advantages in improving plant N uptake, water use efficiency, or reducing N leaching over no-tillage regardless of the timing of tillage implementation and N fertilizer application. Soil penetration resistance of strip-tillage was often comparable with no-tillage, but greater than conventional tillage at the 0-20 cm depth. Penetration resistance and soil moisture for all treatments were inversely related throughout the soil profile, where the differences were most pronounced at the 30 and 60 cm depths.
Author: Harold R. Cosper
Author: Harold R. Cosper
Author: Harold R. Cosper
Author: Jerry V. Mannering
Author: Freddy M. Amores
Author: Merritt Merrill Padgitt
Author: Mark Allen Licht
Author: Gregory F. McIsaac
Author: Iowa State Water Resources Research Institute
Author: Allen J. Baker
Author: Amores Freddy M.