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    Wyświetlanie 1-3 z 3
    Tytuł:
    Land Suitability Assessment for Wheat Production Using Analytical Hierarchy Process and Parametric Method in Babylon Province
    Autorzy:
    Mohammed, Rafal J.
    Suliman, Abdulhalim A.
    Powiązania:
    https://bibliotekanauki.pl/articles/27323842.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    land evolution
    soil salinity
    wheat
    soil properties
    crop variety
    Opis:
    This study was carried out to show the extent to which the land is productive due to the effect that climatic changes and the increase in population growth are the reasons that led to an increase in the demand for food, especially in developing countries. Therefore, a scientific way must assess the land suitability for growing crops. This research aimed to provide an integrated approach to the process of analyzing the suitability of agricultural lands for crop growth. Wheat in the Nile region of Babylon Governorate, was studied using the analytical hierarchy model (AHP) and compared with the parametric method and the actual crop in the field, as twelve soil criteria were determined (electrical conductivity, soil interaction, cation exchange capacity, exchangeable sodium ratio, soil texture, lime, gypsum, organic carbon, drainage, soil depth, slope, flooding) and three criteria were added in the AHP method due to their importance in Iraqi soils, which are (total nitrogen, availability phosphorus, crop variety). The results were extracted and showed that all the results of the study using the parametric method within the very unsuitable class for cultivation, N2, 72.5%, with an area of 37,734.07 hectares, and the unsuitable class, N1, 27.5%, with an area of 14,312.92 hectares, either by using the method. According to the analytical hierarchy process and giving varying importance to the soil criteria above, it was found that 37.5% are very suitable S1 with an area of 19517.62 hectares, 42.5% suitable for agriculture S2 with an area of 22119.97 hectares, and 20% moderately suitable S3 with an area of 10409.4 hectares. These results were similar to the agricultural reality of the regions under study.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 7; 75--87
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ rolniczego użytkowania na wybrane właściwości gleby rozwijającej się z gruntów pogórniczych KWB Konin
    Influence of Agricultural Use on Some Properties of Soils Developing from Post-Mining Grounds of Konin Brown Coal Mine
    Autorzy:
    Otremba, K.
    Gilewska, M.
    Owczarzak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1819087.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    rolnicze użytkowania
    właściwości gleby
    grunty pogórnicze
    agricultural use
    soil properties
    post-mining land
    Opis:
    An attempt was made in this investigation to determine the impact of the following four systems of soil agricultural use: not subjected to any reclamation treatment, fodder-cereal reclamation treatment, rape-cereal reclamation treatment and the so-called “conservation” treatment (permanent lucerne) on the properties of soils developing from post-mining grounds. A particular attention was paid to the properties of the humus layer of the developing soils, among them, their texture which belongs to the most important soil diagnostic features. Experiments were carried out in 2010 on the experimental field of the Department of Soil Science and Reclamation of the University of Life Sciences in Poznań. A combination without mineral fertilisation (0NPK) was established on each of the analysed use systems. In the case of the fodder-cereal and rape-cereal systems, additionally, two levels of mineral fertilisation: 1NPK – in rape-cereal system (rape: 200 kg N, 70 kg PO5, 90 kg K2O; wheat: 160 kg N, 40 kg P2O5, 80 kg K2O) and in fodder- cereal (lucerne: 170 kg N, 60 kg P2O5, 150 kg K2O; wheat: 160 kg N, 40 kg P2O5, 80 kg K2O) and 2NPK were applied. The control was post-mining ground which was not subjected to any reclamation treatment. The evaluation of changes in the selected, most important soil structure parameters was based on the original methodological solution elaborated at the Department of Soil Science and Reclamation of the University of Life Sciences in Poznań in which the basic element is a regular soil aggregate of 1 cm3 volume. The following parameters were determined for such aggregates cut out from two depths of the humus layer (7 and 15 cm): dynamic water resistance (SW), static water resistance (SW), secondary aggregation after dynamic and static water action, time of capillary rise (TKMIN), capillary minimal (VKMIN) and maximal (VKMAX) water capacity and compression strength (Rc). The above-mentioned properties were determined in 5 replications. Using methods commonly employed in soil science, the following parameters were determined: texture composition, solid phase density, bulk density and porosity, hygroscopic capacity and maximal hygroscopic capacity as well as soil reaction and carbonate, carbon and nitrogen contents. Reclamation treatments applied in the course of the past 32 years and soil-forming processes taking place under their influence led to distinct changes in the morphological structure of the examined profiles, primarily, in their surface layer. The smallest morphological changes were observed in the profile sampled from the plot with long-term lucerne cultivation (so-called “conservation”). The profiles representing the fodder-cereal use system exhibited a more advanced stadium of soil-forming processes. Their humus layer was more distinctive, with dark colour, its thickness ranged from 20 to 28 cm corresponding to the depth of the performed ploughing. Identical features and better homogeneity were observed in the case of the humus horizon developed in the rape-cereal system of agricultural use, although certain differences were recorded in profile morphology depending on the level of the applied mineral fertilisation (1NPK and 2NPK). Post-mining ground which was not subjected to any reclamation treatment was found to contain the smallest quantities of organic material – carbon and nitrogen (2.65-2.84 g kg-1). The amount of oxidisable carbon in the fodder-cereal system of agricultural use was 2.5 to 3 times higher (6.45-8.82 g kg -1) than in the untreated post-mining ground irrespective of the level of mineral fertilisation. On the other hand, the amount of carbon was more varied in the rape-cereal system of use. In the case of absence of fertilisation (0NPK), this quantity was by about 50% higher in comparison with the post-mining ground and amounted to 3.1 g.kg-1. Elevated fertilisation with 1NPK and 2NPK doses increased levels of carbon to values similar as in the fodder-cereal system. The highest quantity of carbon of about 12 g.kg-1 was recorded in the humus horizon developed on the surface representing permanent lucerne (so-called “conservation”). A distinct variability was also observed in the physical properties of soils from the examined systems of agricultural use. Untreated post-mining grounds were characterised by high bulk density (1.97–2.02 Mg m-3) and, consequently, by low general porosity (23.6 to 25.3%). In the fodder-cereal use system, soil density was found to be by about 0.30 Mg m-3 lower and porosity – by about 10% higher. In the case of the rape-cereal system of agricultural use, soil density was only by about 0.1 Mg m-3 higher and general porosity – by about 5% lower in comparison with the fodder-cereal system. Bulk density and general porosity in the so-called “conservation” system of use amounted to 1.35–1.51 Mg m-3 and 42.8–48.9%, respectively, in other words, exhibited the most advantageous values of these features from the point of view of agricultural usage. Recapitulating, it should be emphasised that widely distinguished two soil-forming factors, namely: time and human activity begin to play a dominant role in the formation of soils, especially in areas which undergo large industrial geomechanical transformations mainly as a result of open-cast mining of different minerals.
    Źródło:
    Rocznik Ochrona Środowiska; 2013, Tom 15, cz. 2; 1738-1758
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Earth observation and geospatial techniques for soil salinity and land capability assessment over Sundarban Bay of Bengal Coast, India
    Autorzy:
    Das, S.
    Choudhury, M. R
    Nagarajan, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/145537.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    właściwości gleby
    teledetekcja
    dane satelitarne
    Landsat
    GIS and Remote Sensing
    kriging
    soil properties
    land capability
    Opis:
    To guarantee food security and job creation of small scale farmers to commercial farmers, unproductive farms in the South 24 PGS, West Bengal need land reform program to be restructured and evaluated for agricultural productivity. This study established a potential role of remote sensing and GIS for identification and mapping of salinity zone and spatial planning of agricultural land over the Basanti and Gosaba Islands(808.314sq. km) of South 24 PGS. District of West Bengal. The primary data i.e. soil pH, Electrical Conductivity (EC) and Sodium Absorption ratio (SAR) were obtained from soil samples of various GCP (Ground Control Points) locations collected at 50 mts. intervals by handheld GPS from 0–100 cm depths. The secondary information is acquired from the remotely sensed satellite data (LANDSAT ETM+) in different time scale and digital elevation model. The collected field samples were tested in the laboratory and were validated with Remote Sensing based digital indices analysisover the temporal satellite data to assess the potential changes due to over salinization. Soil physical properties such as texture, structure, depth and drainage condition is stored as attributes in a geographical soil database and linked with the soil map units. The thematic maps are integrated with climatic and terrain conditions of the area to produce land capability maps for paddy. Finally, The weighted overlay analysis was performed to assign theweights according to the importance of parameters taken into account for salineareaidentification and mapping to segregate higher, moderate, lower salinity zonesover the study area.
    Źródło:
    Geodesy and Cartography; 2016, 65, 2; 163-192
    2080-6736
    2300-2581
    Pojawia się w:
    Geodesy and Cartography
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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