A Combinded Horizontal Penetrometer for Transient Detection of Soil Water Content and Mechanical Resistance
Kombinovani horizontalni penetrometar za određivanje mehaničkog otpora i sadržaja vode u zemljištu
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Author
Lammers, Peter Schulze
Sun, Y
Ma, D
Keywords
soil water contentsoil compaction
resistant force
penetrometer
vlažnost zemljišta
sabijenost zemljišta
sila otpora
pentrometar
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Show full item recordAbstract
Important factors for regulating soil tillage and for performing soil variability
maps in precision farming are soil strength and water content. In this study, a combined
horizontal penetrometer was designed for the on-the-go and simultaneous measurement
of soil water content and mechanical resistance. The maximum sampling rate for both
sensors was 10 Hz and the maximum operating depth was 20 cm. For the water content
sensor, its measurement principle depends on the field effect of the fringe capacitance. Veoma važni faktori za regulisanje obrade zemljišta i izrade zemljišnih mapa u
konceptu Precizne poljoprivrede, su otpor i vlažnost zemljišta. U ovom radu je prikazan
kombinovani horizontalni penetrometar za istovremeno merenje, u hodu, optpora i
vlažnosti zemljišta, i urađena simulacija. Maksimalna učestalost uzimanja uzoraka oba
senzora bila je 10 Hz a maksimalna dubina rada 20 cm. Merni princip senzora vlažnosti
zemljišta zavisi od granične vrednosti poljskog vodnog kapaciteta zamljišta.