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Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   WINTER 2008 , Volume 20 , Number 4 (77 IN AGRONOMY AND HORTICULTURE); Page(s) 164 To 174.
 
Paper: 

INFLUENCE OF TILLAGE METHODS AND VINE KILLING ON MECHANICAL PROPERTIES OF POTATO TUBER TEXTURE

 
 
Author(s):  MAHMOUDIEH R.A.*, GHAZAVI KHOURASGANI M.A., ALMASSI M.
 
* ISLAMIC AZAD UUIVERSITY, SCIENCE AND RESEARCH BRANCH, TEHRAN
 
Abstract: 

In this research, a field study was conducted to compare the effects of four primary tillage (moldboard (MB), disc (DP), improved disc (IDP), chisel (CH) plows) and two vine killing methods(vine killed(VK) and without vine killing(NVK)) on some compressive mechanical and hardness properties of potato tuber texture. The study was conducted using 4×2 factorial experiments (strip plots) with a randomized complete block design (RCBD). Eight treatments representing four primary tillage levels (MB, DP, IDP, CH,) and two levels of vine killing (VK, NVK) were replicated three times. The result showed that energy density of rupture point in CH.VK and IDP.NVK were significantly higher than other treatments at 5% level and the difference between maximum and minimum hardness readings significantly correlated with strain, secant module and stress of rupture point at 99% and 95% probability respectively.

 
Keyword(s): POTATO, TILLAGE, VINE KILLING, TEXTURE, MECHANICAL PROPERTIES
 
References: 
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