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Poljska ocena traktorskog senzora za merenje električne provodljivosti i sile prodiranja / sabijenosti zemljišta

dc.contributor.authorSingh, Harpinder
dc.contributor.authorSingh, Kuldeep
dc.contributor.authorSingh, Manjeet
dc.contributor.authorBector, Vishal
dc.contributor.authorSharma, Karun
dc.date.accessioned2015-09-11T16:35:45Z
dc.date.available2015-09-11T16:35:45Z
dc.identifier.urihttp://arhiva.nara.ac.rs/handle/123456789/623
dc.description.abstractSoil properties like electrical conductivity and soil compaction due to its correlation with other soil properties like soil texture, water content, cat ion exchange capac¬ity (CEC), drainage conditions, organic-matter level, depth to clay pans, salinity, and subsoil characteristics that affect crop growth and its produc¬tivity were found to be important properties of soil. To observe the effect of electrical conductivity and insertion force, a tractor operated soil sensor (Make Veris Technology, USA) was used for measurement of electrical conductivity and insertion force (compaction) of soil in the field. Tractor mounted soil sensor probe was having a soil EC contacts and a load cell to measure the electrical conductivity and insertion force, respectively by pushing the probe into the soil. Experiments were conducted at two fields of departmental research farm of Farm Machinery and Power Engineering, Punjab Agricultural University, Ludhiana. In field no. 1, the average electrical conductivity measured by tractor mounted soil sensor varied from 8.5 to 9.6 mS•m-1 having coefficient of variance 26.8% at soil moisture content of 26% (wb). In field no.2, the average electrical conductivity measured by tractor mounted soil sensor varied from 15.75 to 23.28 mS•m-1 with CV 12.1%. For Lab measurement of soil EC, coefficient of variance (CV) was found to be 10.9 % with average EC value of 20.62 mS•m-1. Overall insertion force for field no 1 was 1953.44 kPa at 0.2 m depth which suddenly increased up to 2864.06 kPa when depth was increased to 0.4 m which is 46% more than at 0.2 m depth. Overall insertion force for field no 2 was 8085.71 kPa observed at 0.2 m depth which increased up to 9704.96 kPa when depth was increased to 0.6 m which was 20% more as compared to insertion force at 0.2 m soil depth.en
dc.description.abstractElektroprovodljivost i sabijenost su izdvojene kao posebno važne karakteristike zemljišta zbog svog odnosa sa drugim njegovim svojstvima, kao što su tekstura, sadržaj vode, kapacitet razmene katjona (CEC), uslovi drenaže, sadržaj organske materije, dubina glinovitih slojeva, salinitet i ostale karakteristike koje utiču na porast i produktivnost useva. Za merenje efekta električne provodljivosti i sabijenosti korišćen je traktorski zemljišni sensor (Make Veris Technology, USA). Senzor ima kontakte i ćeliju za merenje elektroprovodljivosti i sile prodiranja ubadanjem sonde u zemlju. Ogledi su izođeni na dve ogledne parcele Instituta za poljoprivredne i pogonske mašine. Na parceli br. 1, srednja izmerena elektroprovodljivost iznosila je od 8.5 do 9.6 mS•m-1, sa koeficijentom varijacije od 26.8%, pri vlažnosti zemljišta od 26%. Na parceli br. 2, srednja izmerena elektroprovodljivost iznosila je od 15.75 do 23.28 mS•m-1, sa koeficijentom varijacije od 12.1%. Za laboratorijska merenja elektroprovodljivosti, koeficijent varijacije iznosio je 10.9 %, sa srednjom vrednošću od 20.62 mS•m-1. Srednja sila prodiranja na parceli br. 1 bila je 1953.44 kPa na dubini od 0.2 m, a zatim je naglo porasla na 2864.06 kPa sa povećanjem dubine na 0.4 m, što je 46% više nego na 0.2 m. Srednja sila prodiranja na parceli br. 2 bila je 8085.71 kPa na dubini od 0.2 m, a povećala se na 9704.96 kPa sa povećanjem dubine na 0.6 m što je 20% više nego na 0.2 m.sr
dc.subjecttractor mounted soil sensoren
dc.subjectsoil electrical conductivityen
dc.subjectinsertion forceen
dc.subjectsoil compactionen
dc.subjecttraktorski zemljišni sensorsr
dc.subjectelektrična provodljivost zemljištasr
dc.subjectsila prodiranjasr
dc.subjectsabijenost zemljištasr
dc.titleField Evaluation of Tractor Mounted Soil Sensor for Measurement of Electrical Conductivity and Soil Insertion / Compaction Forceen
dc.title.alternativePoljska ocena traktorskog senzora za merenje električne provodljivosti i sile prodiranja / sabijenosti zemljištasr


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  • Issue 2015-3.
    www.jageng.agrif.bg.ac.rs/files/casopis/PT_03-2015.pdf

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