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Introduction to the greenhouse decision support model
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2012)
In this paper an introduction to a model that can serve for optimal choice of the greenhouse technical and technology system is presented. The model is very suitable for producers to whom adequate solution of the greenhouse ...
Technical properties of the recycled plastic films from protected cultivation
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2012)
In this paper the results of a survey investigating the possibilities to producing a new regenerated film through mechanical recycling, from post-consume agricultural plastic films are analyzed. Four recycled films, made ...
Leaf surface coverage and nozzle characteristics of the filed sprayer in dependence of its working presure, application rate and working speed
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2012)
In order to have a good visual inspection of the foliage surface coverage quality after the use of filed sprayer, water-sensible papers can be used. Surface coverage, droplet distribution and solution incorporation into ...
Determination of influential parameters for composting of liquid manure with wheat straw
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2014)
Production of compost from mixture of liquid manure and wheat straw is achievable process. In order to obtain final product of good quality, it is necessary to achieve total control of process. In the production process, ...
A digital method for apple surface quality grading
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2012)
Computer assisted image analysis offers many important (pseudo) man-independent procedures, which can be used in combination with classical evaluation methods. This paper presents a novel approach in fruit surface quality ...
Air temperature and relative humidity distribution in different type of greenhouse constructions
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2014)
Greenhouse plant production is one of the most intensive parts of the agricultural production. In order to reduce the costs and save the energy, various greenhouse constructions and different coverings are offered to the ...
Aggregate size distribution of humogley after an autumn tillage
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2014)
This paper presents results of dry aggregate size analysis of non-carbonate Humogley after the autumn tillage for wheat seeding. The 140 soil samples have been taken from square area of 90 m in length and 60 m in width, ...
Energy efficiency of the lettuce greenhouse production
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2011)
In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated fir different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse ...
The influence of soil mulching and greenhouse covering material on the temperature distribution in lettuce production
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2011)
The aim of this research was to investigate the temperature distribution 10 cm above the soil in different conditions of lettuce production system (open filed, mulching, low tunnels, greenhouses). Based on the results, ...
Energy and distribution parameters of the mobile wheel line sprinkler system
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2011)
The paper presents a synthesis of several years long research on sprinkler irrigation systems with the mobile wheel line sprinkler system, in some arable crops and vegetables. The research program included analysis of ...