نتایج جستجو برای: chisel plough 25

تعداد نتایج: 355553  

2017
Vincenzo Alagna Simone Di Prima Jesús Rodrigo-Comino Massimo Iovino Mario Pirastru Saskia D. Keesstra Agata Novara Artemio Cerdà

Soil infiltration processes manage runoff generation, which in turn affects soil erosion. There is limited information on infiltration rates. In this study, the impact of vine age on soil bulk density (BD) and hydraulic conductivity (Ks) was assessed on a loam soil tilled by chisel plough. Soil sampling was conducted in the inter row area of six vineyards, which differed by the age from plantin...

Journal: : 2022

The purpose of this research is to study the effect deep loosening row spacings on physical properties soil and yield organic potatoes. Two variants cultivation were used in spacings: usual 25 cm deep. was carried out with a row-crop chisel cultivator. Its design developed at institute. Analysis data obtained as result experimental studies showed that had positive compaction both inter-row widt...

Journal: :تحقیقات مهندسی کشاورزی 0
رضا رحیم زاده عضو هیئت علمی مؤسسه تحقیقات کشاورزی دیم احمد شریفی مالواجردی استادیار پژوهش مؤسسه تحقیقات فنی و مهندسی کشاورزی کرج ارژنگ جوادی دانشیار پژوهش مؤسسه تحقیقات فنی و مهندسی کشاورزی کرج

applying a suitable tillage method is vital to chickpea production in dryland conditions. hence, eight tillage methods were studied using strip plots in a randomized complete block design with three replications over three years at the dryland agricultural research institute in maragheh, iran. the amount of rainfall in the three years of the study were 202, 264 and 203 mm, respectively, which w...

2004
Thomas Keller

Keller, T. 2004. Soil Compaction and Soil Tillage Studies in Agricultural Soil Mechanics Doctoral dissertation. ISSN 1401-6249, ISBN 91-576-6769-1 This thesis deals with various aspects of soil compaction due to agricultural field traffic, the draught force requirement of tillage implements and soil structures produced by tillage. Several field experiments were carried out to study the mechanic...

Journal: :ACM SIGPLAN Notices 2014

Journal: :International Journal of Plant and Soil Science 2022

Aims: To evaluate the effect of tillage methods on soil moisture storage, grain yield, economics and rain water use efficiency in semi-arid region
 Study Design: Four viz. conventional tillage, Rotovator ploughing + chisel ploughing, tiller conservation (Minimum with retention crop residue) at different time ploughing.
 Place Duration Study: Kovilpatti, a representative location regio...

1998
Alfred V. Aho Sean Gallagher Nancy D. Griffeth Cynthia Schell Deborah Swayne

by Alfred Aho, Sean Gallagher, Nancy Griffeth, Cynthia Schell, and Deborah Swayne Abstract We describe a language called Chisel and an editing tool for Chisel called Sculptor for defining requirements for communications services. The purpose of Sculptor and Chisel is to speed the service creation process by improving communication between organizations, by automating tedious manual work, and by...

Journal: :Journal of forensic sciences 2015
Ryan Spotts L Scott Chumbley

Historical and recent challenges to the practice of comparative forensic examination have created a driving force for the formation of objective methods for toolmark identification. In this study, fifty sequentially manufactured chisels were used to create impression toolmarks in lead (500 toolmarks total). An algorithm previously used to statistically separate known matching and nonmatching st...

اشرفی زاده, سیدرضا , لغوی, محمد ,

The effects of three levels of soil moisture content (8-10, 10-12 and 12-14% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft and drawbar power requirement of a 7-shank chisel plow in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3×4 factorial. The effect of plowing depth on all of the parameters ment...

Journal: :تحقیقات مهندسی کشاورزی 0
رضا محمدی گل عضو هیئت علمی موسسه تحقیقات فنی و مهندسی کشاورزی ارژنگ جوادی استادیار پژوهش موسسه تحقیقات فنی و مهندسی کشاورزی محمدعلی قضاوی استادیار دانشکده کشاورزی دانشگاه شهرکرد

the aim of this research was to investigate performance of two combined plows compared to conventional plow. the experiments were conducted in a loamy soil texture with moisture content of 16-18% in karaj region of iran. combination of moldboard+chisel plow and disk plow+chisel plow were compared with conventional moldboard plow as three treatments. data was statistically analyzed using rcbd in...

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