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Savremena poljoprivredna tehnika
2009, vol. 35, iss. 3, pp. 169-175
Energy analysis for greenhouse and open field tomato production
Đević Milan, Dimitrijević Aleksandra ORCID
University of Belgrade, Faculty of Agriculture, Serbia

email: mdjevic@agrif.bg.ac.rs, saskad@agrif.bg.ac.rs
Project:
Projekat Ministarstva nauke Republike Srbije, br. 20076: Unapređenje i očuvanje poljoprivrednih resursa u funkciji racionalnog korišćenja energije i kvaliteta poljoprivredne proizvodnje

Abstract
The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. Concerning the high energy consumption in greenhouse production a comparison with open filed tomato production was found to be interesting. Data used in the study were obtained from the experiment carried out on a private property 140 km south from Belgrade. In the study, energy values were calculated by multiplying the amount of inputs and outputs by the related energy conversion factors. The same tomato varieties were planted in open filed and in the greenhouse at the same time. The greenhouse used was gutter-connected double PE covered structure 21 m wide and 250 m long. According to energy output (yield per m2) parameters for estimating tomato production energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy productivity).
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About

article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 23/04/2009

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