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Dive into the research topics where Kazım Çarman is active.

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Featured researches published by Kazım Çarman.


Soil & Tillage Research | 1997

Effect of different tillage systems on soil properties and wheat yield in Middle Anatolia

Kazım Çarman

Abstract Field experiments were conducted on a clay soil in entisol to determine the effect of different tillage tools on soil properties, emergence rate index and yield of wheat in Middle Anatolia. There were four different tillage treatments: mouldboard ploughing followed by disc harrowing twice; rotary tillage twice; stubble cultivator followed by a disc harrowing; heavy globe disc twice. The smallest aggregate mean weight diameters and surface roughness were produced by rotary tillage. Decreasing mean weight diameter decreased the surface roughness. There was a significant ( P −1 to 4265 kg ha −1 , respectively. The greatest emergence rate index and yield were obtained with stubble cultivator followed by disc harrowing treatment.


Journal of Terramechanics | 1994

Tractor forward velocity and tire load effects on soil compaction

Kazım Çarman

Abstract The size and weight of agricultural tractors and machinery have increased in recent years, resulting in increased soil compaction. As a consequence, aeration, root growth and infiltration rate are impeded. Field studies were conducted and soil compaction variables were measured beneath the rear tire track of a two-wheel drive tractor operating with zero drawbar pull. The dynamic load on each rear tire was varied from 7.27 to 13.50 kN and the forward velocity was varied from 0.78 to 2.5 m/s. To determine so soil compaction, the cone index, bulk density, shear strength and tire sinkage were measured. The results showed that increasing the tire load at a given forward velocity increased the cone index, bulk density, shear strength and sinkage. Tire load affected cone index, bulk density, shear strength and sinkage more strongly than did forward velocity.


Applied Engineering in Agriculture | 2009

Some Mechanical Properties of Safflower Stalk

Osman Özbek; A. Y. Seflek; Kazım Çarman

General physical properties, bending stress, modulus of elasticity, compressive strength, shearing stress, and specific shearing energy were determined for safflower (Carthamus tinctorius L.) stalks. Test specimens were taken from two locations of the stalk: from the bottom and from the top region. Experiments were conducted in five different moisture contents of stalk. The bending stress decreased with increasing moisture content. The average bending stress value varied between 54.02 and 13.81 MPa. The modulus of elasticity in bending decreased with increases at the moisture content and the modulus of elasticity increased towards the top region. The average modulus of elasticity varied between 439.49- 95.62 MPa. The modulus of tangent in compressing decreased as the moisture content increased. The average tangent modulus varied between 31.39-6.35 daNmm-1. The shearing stress and the specific shearing energy increased with increasing moisture content. The maximum shearing stress and the specific shearing energy were 1.37 MPa and 94.64 mJmm-2, respectively. Both the shearing stress and specific shearing energy were found to be higher in the bottom region of the stalk.


Journal of Agricultural Engineering Research | 1996

Some Physical Properties of Lentil Seeds

Kazım Çarman


Journal of Terramechanics | 2008

Prediction of soil compaction under pneumatic tires a using fuzzy logic approach

Kazım Çarman


Mathematical & Computational Applications | 2012

Prediction of Tire Tractive Performance by Using Artificial Neural Networks

Kazım Çarman; Alper Taner


Mathematical & Computational Applications | 2004

Modeling the Torque and Power Requirements of Traction Tires of Horticultural Tractors using Dimensional Analysis

Sefa Tarhan; Kazım Çarman


Mathematical & Computational Applications | 2010

A Design of an Expert System for Selecting Pumps Used in Agricultural Irrigation

Ali Seflek; Kazım Çarman


Energy | 2015

Investigation and modeling of the tractive performance of radial tires using off-road vehicles

Şerafettin Ekinci; Kazım Çarman; Humar Kahramanli


Mathematical & Computational Applications | 2003

Modelling Tractive Performance for Drive Wheel

Kazım Çarman; Fariz Dünyamalioğlu

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Ali Yavuz Şeflek

United States Department of Agriculture

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Sefa Tarhan

Gaziosmanpaşa University

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