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4th section SOIL SCIENCES

 

LE TAUX D’ACCUMULATION DE L’HUMUS DANS L’ENTIANTROSOL DE CÃPUª (DÉP. DE CLUJ) APRÈS 30 ANS DE CULTURE AGRICOLE
 
Gh. BLAGA*, Ioana CÃTINAª*, M. DUMITRU**, Laura PAULETTE*, I. PÃCURAR*, I. SÃRAC***, M. BUTA*, Doina CLAPA*, Lucia BLAGA****, Elvira OROIAN*
 
*Universitatea de ªtiinþe Agricole ºi Medicinã Veterinarã, Cluj-Napoca
** I. C. P. A., Bucureºti
*** S. C. Ecologic Service Oradea S. A., Oradea
**** Universitatea Tehnicã, Cluj-Napoca
 
Résumé:L’ouvrage présente les données concernant le taux moyen d’accumulation de l’humus après trente ans dans une expériment rigoureuse placé sur les haldes de stérile (entiantrosol) de Cãpuº et cultivées durant toute cette période avec du maïs, de l’avoine et du sainfoin.Les agro-fonds de fertilisation étaient les suivants: V1-nonfertilisé, V2-40t/ha fumier non-fermenté, V3-15t/ha fumure, V4-40t/ha fumier + N100 P60 K40, V5-15t/ha fumure+ N100 P60 K40, V6 - N100P60K0; V7 - N100P60K40; V8 – N200P120K80; V9 – N300P180K120. En analysant les données concernant le taux d’accumulation d’humus après 30 ans de culture et fertilisation, on obtient les meilleurs résultats par fertilisation organique, surtout avec du fumier.Ainsi à la variante V5 (15 t/ha fumier de volailles + N100 P60 K40) on réalise un taux annuel de 0,111 à une profondeur de 0-10 cm et respectivement 0,083 à une profondeur de 10-20 cm, suivie par la variante V2 (40 t/ha fumier).
 
Mots clé: reculture, taux d’accumulation de l’humus, entiantrosol
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A CALCULUS METHOD OF THE INFLUENCE OF WATER REGIME ON THE HEAT CAPACITY OF GREENHOUSE SOIL
 
Feodor FILIPOV, Octavian TOMIÞÃ, Marius CÃLIN
 
The „Ion Ionescu de la Brad” Agricultural and Veterinary University, Iaºi, Romania
 
Abstract: The heat capacity is an extensive soil property because its value depends both on the specific heat and the soil mass or volume. The heat capacity value is influenced by the unchangeable soil properties (e.g. texture), slightly changeable ones (e.g. humus content), and variable soil properties (e.g. water and air volume). In the paper is proposed a calculation method to estimate the influence of soil’s water content on the heat capacity value. Knowing this influence is important in making a decision on the most appropriate irrigation technology to be used, especially during cold seasons.
 
Key words: soil heat capacity, water content
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influence of minimum tillage systems upon the Preluvosol vertic soil physical
and agrochemical properties
 
T. RUSU, P. Guª, Ileana Bogdan
 
University of Agricultural Sciences and Veterinary Medicine
3-5, Mãnãºtur St., 400372, Cluj-Napoca, România, rusuteodor@yahoo.com
 
Abstract:The paper presents the influence of the conventional ploughing tillage system in comparison with the alternative minimum tillage system (disc harrow, rotary harrow, paraplough and chisel plough) upon the preluvosol vertic soil physical and chemical properties. The use of minimum soil tillage systems within a three years rotation: maize, soy-bean and wheat favourites the rise of the aggregates hydro stability with 2.2-5.5% on 0-10 cm, 3.3-11.8% on 10-20 cm and 3.6-10.4% on 20-30 cm depth. Soil minim tillage modifies the bulk density and penetration resistance, but these modifications are within optimal limits of the soil type. Paraplough and chisel plough soil tillage, by intensity reduction, reduction of soil loose intensity and rest of vegetables incorporation at the soil surface, determines the humus contains to grow with 0.35 – 0.51% and soil permeability growing for water. Minimum soil tillage doesn’t modify significantly the soil reaction and NPK contain in the arable stratum, but determines the stratification of those at the surface of the soil.
 
Key words: minimum tillage, physical and agrochemical soil properties
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RESEARCH CONCERNING THE VALORISING POTENTIAL OF MINE STERILE FROM SURFACE CARBONIFEROUS EXPLOITATIONS IN THE ESTABLISHMENT OF AGRICULTURAL LANDS
 
F. SALA, Isidora RADULOV, L. NIÞÃ, Adina BERBECEA
 
                                                Agricultural and Veterinary University of the Banat, Timiºoara, România
 
Abstract: Mine sterile from surface carboniferous exploitations in the Motru River Basin (County of Gorj) and Huznicioara (County of Mehedinti) have mineral and physical and chemical features that make them a potential soil source. Literature, as well as research we have carried out, point out the possibility of valorising mine sterile within local ecological reconstruction works. Mine sterile can also be used in ash, floating sand, waste dump, etc. covering works. It is also important in the establishment of agricultural lands.
 
Key words: waste dump, mine sterile, ecological impact, waste dump management, ecological reconstruction, improving works, establishing agricultural land
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SOIL SUITABILITY FOR DIFFERENT USE CATEGORIES IN THE ARANCA PLAIN
 
L. NIÞÃ*, I. RUSU*, F. SALA*
 
Banat’s University of Agricultural Sciences and Veterinary Medicine, Timiºoara
 
Abstract. The icrease of yeld and of soil fertility are directly determined by a detailed knowledge of soil-formation processes, of the evolution aun of the state of ensuring soils with main nutriens. Previous researches concern numerous analytic data for a period of over 5 year, aqn interval in witch numerous changes occurred both in soil proprieties and in close relation to soil-formation conditio, it is necesary to reevaluate physical and chemical proprieties, nutrient ensuring state and yielding capacity of the main crops in the Aranca plain area.
 
Key words: soil, suitability, yelds capacity
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MODIFICATION OF SOME AGROCHEMICAL CAMBIC CHERNOZEM FEATURES AFTER ORGANIC FERTILIZATION
 
Isidora RADULOV, Adina BERBECEA, Fl. SALA, Alina ANITEI
 
Agricultural and Veterinary University of the Banat, Timiºoara, Romania
 
Abstract: In this paper we present research results concerning the change of some soil chemical properties of cambic chernozem in Timisoara after sewage sludge fertilization. Organic fertilizers, who were applied, are cattle manure, sewage sludge and swine sludge in different doses. By analysis were determined: soil pH, total exchange cation capacity (T me/100 g soil), degree of base saturation (V %), sum of exchangeable bases (SB me/100 g soil), hydrolytic acidity (AH me/ 100 g soil), nitrogen, phosphorus and potassium soil content.
 
Key words: organic fertilization, soil chemical properties
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USE OF SOME INDUSTRIAL RESIDUES AS FERTILIZING RESOURCES IN ROW MATERIAL DEFICIT AND ENVIRONMENTAL PROTECTION CONTEXT
 
Adina BERBECEA, Isidora RADULOV, Fl. SALA
 
Agricultural and Veterinary University of the Banat, Timiºoara, Romania
 
Abstract: In this paper we studied the possibilities of using slag from metallurgical industry as fertilizing resources, in row materials deficit and environmental protection context. Furnace slag and steel slag which result from steel obtaining process on metallurgic plants, were analyzed for establishing fertilizing capacities and for metal content determination.
 
Key words: solid industrial residues, furnace slag, steel slag, fertilizing resources, environmental protection
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FEATURES OF THE MAIN SOIL TYPES IN THE CRIªUL NEGRU – CRIªUL REPEDE INTERFLUVES
 
M. TªCà *,I. RUSU **
 
            * Universitatea Oradea
                ** USAMVB Timiºoara
Abstract. In order to assess quality of both agricultural lands and soil resources in the Criºul Negru – Criºul Repede interfluves it is necessary to know how the land resource is distributed and used. At the level of the year 2003, the situation of the land resources was relatively stable, with low possibilities of expanding their agricultural use, with rather a regression in favour of forest areas.
 
Key words: Criºul Negru – Criºul Repede interfluves, physical and chemical features, soil type
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ON THE FAVOURABILITY OF SOILS IN THE CRIªUL NEGRU – CRIªUL REPEDE INTERFLUVES FOR THE MAIN AGRICULTURAL CROPS
 
M. TªCÃ*, I. RUSU**
 
*Universitatea Oradea
** USAMVB Timiºoara
 
Abstract. Increasing production and agricultural land fertility are directly determined by the detailed knowledge of soil processes, of evolution, and of the measure in which soils are supplied with nutrients. Previous research contain numerous analytical data over a period of over 40 years, an interval in which there were numerous changes both in soil features and in research methodology, mapping, and assessment of agricultural lands. As both soil features are dynamic, in close relation with soilification conditions, it is necessary to re-assess physical and chemical features, nutrient supply, and soil favourability for the main crops in the Criºul Negru – Criºul Repede interfluves.
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THE IMAGE OF SUSTAINABLE AGRICULTURE:SOIL FERTILIZATION IN MANAGED SYSTEM
 
Florin CRISTA*, Mircea GOIAN*, Cornelia DRAGOMIR**
 
*Agricultural and Veterinary University of the Banat, Timiºoara, România
**Liceul Pedagogic Carmen Sylva, Timiºoara, România
 
Abstract: Sustainability represents the capacity of society, ecosystem or any other existent system of continuum functioning, without reaching a point of exhaust the key resources.
 
Key words: agriculture, sustainability, productivity, fertilization
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THE INFLUENCE OF CHEMICAL AND ORGANIC FERTILIZERS OVER THE SOIL APPARENT DENSITY IN THE DIDACTIC STATION TIMISOARA TREE-PLANTATION, IN SUPER-INTENSIVE SYSTEM
 
casiana Mihuþ, i. rusu
 
Agricultural and Veterinary University of the Banat, Timiºoara,România
 
Abstract The researches were made between 2003 and 2005, on the cambic chernozem, from the apple-tree plantation, in the Didactic Station, the culture system being super-intensive. Apparent density is the mass of volume unit of soil, together with empty spaces and results from the rapport between the mass of completely dry soil, in natural placement and his volume. To know the apparent density is helping to calculate soil porosity, water reserve etc.
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RESEARCH CONCERNING THE INFLUENCE OF CITY SLUDGE AND OF MINERAL FERTILISERS ON GRAIN MAIZE AND SUN-FLOWER CROPS IN THE CONDITIONS OF THE BANAT’S PLAIN
 
Carmen PÃIAN*, F. SALA**
 
                                             *Tibiscus University, Timiºoara, Romania
                                                           **Agricultural and Veterinary University of the Banat, Timiºoara, Romania
 
Abstract:City sludge from water plants are important fertiliser resources for agriculture. Using city sludge is necessary both in maintaining soil fertility and in recycling in a non-polluting way human wastes. Agricultural and environmental policies of the EC are oriented towards recycling these fertilising resources through agricultural production processes with respect for environmental protection standards. Research was carried out in order to develop true solutions for valorising city sludge at the Water Plant in Timisoara in the conditions specific toWestern Romania.
 
Key words: urban agriculture, sun-flower crops, maize crops, mineral fertilisers, city sludge, fertilising resources
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PRODUCTION CAPACITY OF AGRICULTURAL LANDS OF GATAIA AREA (COUNTY OF TIMIS)
 
K. LAÞO, I. RUSU
 
Agricultural and Veterinary University of the Banat, Timiºoara, România
 
Abstract. The researches that were made around Gataia, shows the capability of main soil types for different utilizations of lands and agricultural crops. They shows the evaluation marks for the six soil types, calculated after the physical and chemical properties who are find in pedological studies in the last 10 years.
 
Key words: soil, capability, fertility class, indicators and coefficients of soil evaluation
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METHODS OF FINDING COUNTERFEIT HONEY-BEES
 
Laura GABOR, Mircea GOIAN
 
Agricultural and Veterinary University of the Banat, Timiºoara, România
 
Abstract: This paper specifies some of the methods of identification for certain substances. Those substances can be put in honey-bees in order to obtain counterfeit products. The research presents the main substances, which can be mix with honey. Also, we describe the methods of finding those substances.
 
Key words: artificial inverted sugar, industrial grape sugar, starch ingredient, gelatine, carbonates
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PEDOCLIMATIC CHARACTERIZATION OF RECAª VITICULTURAL CENTER
 
Iasmina Cecilia SAVESCU, Mircea GOIAN, Elisabeta KOCIS
 
Agricultural and Veterinary University of the Banat, Timiºoara, Romania
 
Abstract Recas viticultural centre has favorable pedoclimatic conditions for grape vine culture. The grape vine offers a great economical potential to the whole area with real possibilities to capitalize the local pedoclimatic conditions.
 
Key word: grape vine, pedoclimatic conditions, Recaº viticultural centre
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THE INFLUENCE OF MINERAL AND ORGANIC FERTILIZATION UPON QUANTITY OF APPLE PRODUCTION
 
Nicoleta TABLE, Mircea GOIAN
 
Agricultural and Veterinary University of the Banat, Timiºoara, România
 
Abstract: This research list the productions obtain for Jonathan, Dudoane and Þigãnesc varieties. Those varieties were cultivated in standard system and fertilized with manure and 15:15:15 complex fertilizers. The varieties taken under study are local varieties cultivated in Bistra Valley (Caraº-Severin County).
 
Key words: fertilization, production, varieties, organic fertilizers, mineral fertilizers
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