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Economic evaluation of GPS technology in Serbian agriculture
Ekonomska evaluacija GPS tehnologije u poljoprivredi Srbije
Project: Research and development of equipment and systems for industrial production, storage and processing vegetables and fruits (MESTD - 35043)
Abstract
This paper examined the level of savings in the application of the most modern technical systems for satellite guidance and control over performing agricultural operations throughout the season. The exemplary property was Agricultural Corporation Belgrade (PKB), which covers about 21.000 hectares of arable land. The effects of plot shape and direction of movement of tractor-attachment units in calculating the savings from reduced overlapping of adjacent passes were studied. The analysis was carried out of savings per crop (maize, wheat, soybean, sugar beet and alfalfa) and the operations for each crop separately, based on the manufacturing technology applied to an exemplary property. Detailed data are shown only for wheat and barley. Comparing the achieved level of savings, the application of guidance for the type of the most economically viable operations was found as well as the needed equipment level of guidance devices and management. In particular, the analysis involved the functional dependence of the economic savings in fuel and inputs for the operations such as mineral fertilizers distribution and chemical plant protection. Tabulated are the data estimates for the degree of anticipated savings for operations related to the five analyzed crops.
Sažetak
U ovom radu ispitan je stepen ušteda pri primeni najsavremenijih tehničkih sistema za satelitsko navođenje i automatsko upravljanje pri obavljanju poljoprivrednih operacija tokom cele sezone. Uzorno imanje bila je Poljoprivredna korporacija Beograd koja se prostire na oko 21.000 hektara obradive površine. Analiziran je uticaj oblika parcele i pravca kretanja agregata traktor - priključna mašina pri kalkulisanju ušteda usled smanjenja preklopa susednih prohoda. Izvršena je analiza ušteda po kulturama (kukuruz, pšenica, soja, šećerna repa i detelina) i po operacijama za svaku kulturu pojedinačno, prema tehnologiji proizvodnje primenjenoj na uzornom imanju. Detaljno su prikazani podaci samo za pšenicu i ječam. Poređenjem ostvarenih stepena uštede zaključeno je pri kojim operacijama je primena navođenja ekonomski najopravdanija i koliki nivo opremljenosti uređajima za navođenje i upravljanje je potreban. Posebno je analizirana funkcionalna zavisnost ekonomskih ušteda u gorivu i inputima za operacije distribucije mineralnog hraniva i hemijske zaštite biljaka. Tabelarno je data procena stepena svih očekivanih ušteda za operacije koje se odnose na pet analiziranih kultura.
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