home    about    browse    search    latest    help 
Login | Create Account

The effect of autumn ridging and inter-row subsoiling on potato tuber yield and quality

Henriksen, Christian Bugge; Mølgaard, Jens Peter and Rasmussen, Jesper (2004) The effect of autumn ridging and inter-row subsoiling on potato tuber yield and quality. Working paper. [Completed]

[thumbnail of 4290.pdf] PDF - English
Limited to [Depositor and staff only]



Autumn ridging is a modified version of the ridge tillage system. Instead of setting up ridges during the growing season, they are established in autumn and left for the winter. Previous studies have documented positive effects of autumn ridging on potato yield and we hypothesize that applying subsoiling could enhance these effects. To determine the effect of autumn ridging and inter-row subsoiling on potato yield and quality a field experiment was conducted on sandy soil from 2001-2003. Autumn ridging showed comparable yields to ploughing and significantly reduced the incidence of black scurf from 2.5% to 2.2%. Inter-row subsoiling in the growing season significantly increased marketable potato tuber yield from 84.4 hkg/ha to 96.3 hkg/ha and reduced the percentage of malformed potatoes from 9.3% to 7.5%, irrespective of tillage treatment and irrigation level. There was no significant interaction between autumn ridging and subsoiling. The beneficial effect of subsoiling on marketable yield was driven by a 48.5% increase in the dry year 2001. Subsoiling reduced the incidence of common scab from 7.8% to 6.9% when irrigation was reduced. It is concluded that at least three factors may modify the effects of subsoiling: Soil water status in the growing season, precipitation immediately before and after the subsoiling operation, and crop growth stage at the time of subsoiling.

EPrint Type:Working paper
Keywords:Autumn ridging, inter-row subsoiling, reduced irrigation, Solanum tuberosum, black scurf, common scab.
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Production systems > Root crops
Crop husbandry > Soil tillage
Research affiliation: Denmark > DARCOF II (2000-2005) > I. 6 (CARMINA) Cultivation in ridges and mixed cropping
Deposited By: Henriksen, Christian Bugge
ID Code:4290
Deposited On:24 Feb 2005
Last Modified:19 Mar 2022 08:35
Document Language:English
Refereed:Not peer-reviewed

Repository Staff Only: item control page


Downloads per month over past year

View more statistics