Response of crop yield and yield components of tomato to different tillage methods in the arid lands of Varamin, Iran

Rashidi, M. and Khabbaz, B. G. (2009) Response of crop yield and yield components of tomato to different tillage methods in the arid lands of Varamin, Iran. In: SEAg 2009: Agricultural Technology in a Changing Climate, 13-16 Sep 2009, Brisbane, Australia.

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Abstract

A field experiment was conducted at the Research Site of Varamin Agricultural Research Center, Varamin, Iran on sandy loam soils to study the response of tomato (Lycopersicon esculentum) to different tillage methods during 2007 and 2008. Tillage treatments in the study included were conventional tillage (CT; moldboard plowing + two passes of disk harrowing), minimum tillage (MT; one pass of disk harrowing) and no-tillage (NT). Crop yield, yield components (plant population density, PPD; number of fruits per plant, NFPP; fruit weight, FW; fruit length, FL; fruit diameter, FD) and a fruit quality parameter (total soluble solids, TSS) were determined for all treatments. Results indicated that tillage methods significantly (P 0.05) influenced crop yield, yield components and TSS. Results also showed that PPD and NFPP are the most important yield components explaining crop yield difference under different tillage methods. The maximum PPD (10025 plants ha-1), NFPP (19.1) and as a result crop yield (12.2 t ha-1) were observed with CT, while maximum values of FW (71.2 g), FL (70.0 mm), FD (59.2 mm) and TSS (7.27%) were noted NT plots. On the other hand, minimum PPD (5117 plants ha-1), NFPP (10.2) and hence crop yield (3.70 t ha-1) were obtained with NT, while the minimum values of FW (63.6 g), FL (61.0 mm), FD (53.6 mm) and TSS (5.81%) were noted in case of CT treatment. Therefore, one pass of moldboard plow followed by two passes of disk harrow was found to be more appropriate and profitable tillage method in improving crop yield of tomato in the arid lands of Iran.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Authors retain copyright. http://search.informit.com.au/fullText;dn=641888208487752;res=IELENG
Depositing User: Borzoo Ghareei Khabbaz
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Agricultural, Civil and Environmental Engineering
Date Deposited: 12 Jan 2012 05:24
Last Modified: 21 Oct 2014 04:49
Uncontrolled Keywords: conventional tillage; conservation tillage; minimum tillage; no-tillage; tomato (Lycopersicon esculentum); Crop yield; Arid lands; Varamin; Iran
Fields of Research (FOR2008): 07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070108 Sustainable Agricultural Development
07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070103 Agricultural Production Systems Simulation
09 Engineering > 0999 Other Engineering > 099901 Agricultural Engineering
Socio-Economic Objective (SEO2008): E Expanding Knowledge > 97 Expanding Knowledge > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences
B Economic Development > 82 Plant Production and Plant Primary Products > 8202 Horticultural Crops > 820299 Horticultural Crops not elsewhere classified
URI: http://eprints.usq.edu.au/id/eprint/5792

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