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Tytuł:
Rola wybranych czynników agrotechnicznych w kształtowaniu jakości handlowej ziemniaków uprawianych w systemie ekologicznym
The influence of some agrotechnical factors on marketable quality of potato grown under organic farming system
Autorzy:
Zarzyńska, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/2198048.pdf
Data publikacji:
2011-03-31
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
efektywne mikroorganizmy
EM
gleba
jakość
nawadnianie
podkiełkowanie
system ekologiczny
ziemniak
effective microorganisms
irrigation soil
organic system
potato
presprouting quality
Opis:
W latach 2008–2009 przeprowadzono badania dotyczące wpływu kilku czynników, tj: miejsca uprawy (jakości gleby), nawadniania, przygotowania sadzeniaków i stosowania efektywnych mikroorganizmów na jakość handlową bulw ziemniaków uprawianych w systemie ekologicznym. Przebadano 8 odmian należących do różnych grup wczesności. Stwierdzono, że największy wpływ na występowanie w plonie wad zewnętrznych i wewnętrznych miał czynnik odmianowy. Miejsce uprawy (jakość gleby) wpłynęło na występowanie parcha zwykłego, ospowatości i deformacji bulw. Nawadnianie ograniczało występowanie parcha zwykłego, deformacji i rdzawej plamistości miąższu. Najmniejszy wpływ na jakość handlową bulw miało podkiełkowanie sadzeniaków i efektywne mikroorganizmy.
The investigation, carried out in the years 2008–2009, aimed an assessment of effects of four factors: place of growing, irrigation, presprouting of seed potatoes and use of effective microorganisms on marketable quality of potatoes grown under organic farming system. Eight cultivars, representing different earliness groups, were tested. Genotype had the largest influence on occurrence of external and internal tuber disorders. The place of growing (soil type) affected occurrence of common scab, black scurf, deformations and rust spot. Drip irrigation reduced incidence of common scab, tuber deformations and rust spot. Presprouting of seed potatoes and effective microorganisms exerted the smallest influence on the marketable tuber quality.
Źródło:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2011, 259; 243-250
0373-7837
2657-8913
Pojawia się w:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ nawodnienia gruntu na stateczność nasypu drogowego na osuwisku
Influence of irrigation on soil stability on the road embankment landslide
Autorzy:
Pilecka, E.
Manterys, T.
Powiązania:
https://bibliotekanauki.pl/articles/317076.pdf
Data publikacji:
2017
Wydawca:
Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:
ruchy osuwiskowe
nawodnienie gruntu
stateczność nasypu drogowego
landslide movements
soil irrigation
road embankment stability
Opis:
W artykule omówiony został problem wpływu nawodnienia gruntu na stateczność nasypu drogowego na osuwisku. Jak wynika z przeprowadzonych badań zróżnicowane położenie poziomów wód gruntowych istotnie wpływa na stateczność drogi na istniejącym osuwisku. Przedstawiono wyniki numerycznej symulacji nasypu drogowego na osuwisku Just-Tęgoborze (Droga Krajowa 75). Stateczność osuwiska wyrażona przez współczynnik stateczności maleje w miarę podnoszenia się poziomu zawodnienia gruntów. Współczynniki stateczności dla obciążeń mniejszych od samochodów dostawczych i osobowych są nieco większe współczynniki stateczności niż od samochodów ciężarowych. Jednak w przypadku całkowitego nawodnienia gruntów ciężar samochody nie odgrywa już żadnej roli, nasyp na osuwisku jest niestateczny.
The article discussed the problem of the influence of irrigation on soil stability on the road embankment landslide. The results of the studies show that the varied position of groundwater levels significantly affects the stability of roads on an existing landslide. Results of numerical simulation of road embankment on the landslide Just-Tęgoborze (National Road 75) were presented. Landslide stability expressed by the stability coefficient decreases with the increase in soil irrigation. Stability coefficients for loads smaller than those of light commercial vehicles and passenger cars are slightly higher than the lorries. However, when the land is completely drained, cars no longer play a role, the embankment is not stable.
Źródło:
Autobusy : technika, eksploatacja, systemy transportowe; 2017, 18, 12; 376-380, CD
1509-5878
2450-7725
Pojawia się w:
Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring of the Dendrometric Changes Influenced by Soil Water Content
Autorzy:
Kišš, Vladimír
Bárek, Viliam
Novotná, Beáta
Tátošová, Lucia
Powiązania:
https://bibliotekanauki.pl/articles/123039.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
drought
dendrometer
irrigation
soil moisture
Opis:
Drought is generally associated with the persistence of low precipitation amount, decreased soil moisture and water availability relative to the normal levels in a designated area. The effects of drought, range from the morphological to molecular levels, and are evident at all phenological stages of the plant growth, at whatever stage the water deficit occurs. Determination of the surface water demands for irrigation purposes comes out from the assumption of hydrologic processes stationarity. This paper shows our research prerequisite that water stress participates in an important part on the volume changes of over ground parts, which is predictive for the irrigation demand. Malus domestica var. Yellow Transparent was chosen for the measurement of volume changes of the surface plant parts. Our measurements were realised by the Diameter dendrometer small (DD-S) from 24.08. to 13.09.2017. One tree was irrigated by the dose of 50 mm. We compared the dendrometric changes to soil moisture and rainfall on both irrigated and non-irrigated trees. The experiment showed the differences between the irrigated apple tree (the diameters of the branches fluctuated between 11.9 and 12.1 mm) and the non-irrigated apple tree (the diameter of the branches increased after three-day rain from 8.35 to 8.61 mm), in order to determine the water stress of plants based on dendrometric changes and optimize irrigation during the drought period.
Źródło:
Journal of Ecological Engineering; 2019, 20, 1; 34-38
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of irrigation interval on temperature distribution in soil profile under solarization applications in greenhouses
Autorzy:
Oz, H.
Coskan, A.
Atilgan, A.
Powiązania:
https://bibliotekanauki.pl/articles/60596.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
irrigation interval
temperature distribution
soil profile
solarization
greenhouse
irrigation
Opis:
The aim of soil solarization is to control soil borne pathogens and weeds heating with solar energy of soil which is sufficiently wetted. Soil water content is the one of the most important factors affecting soil solarization. Humidity level is important to convey temperature from the upper layers to down layers of soil in solarized soil. For this purpose, the study was conducted in plastic greenhouse in Isparta province. Beginning of the study, all plots were irrigated to reach the field capacity, and then the all plots were irrigated in 5 days irrigation interval during the experiment periods. Temperature distribution was measured in 5, 10, 20 and 30 cm of the soil profile along the experiment periods. As a result of this study, increasing of soil temperature and effectiveness of solarization decreased with together the water content of soil in upper layers. However, the soil temperature increased with irrigation in the down layers.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2013, 1/III
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of long-term fertilization of the permanent dry meadow on the zinc content in soil and meadow sward
Autorzy:
Gabryszuk, Mirosław
Barszczewski, Jerzy
Kuźnicka, Ewa
Sakowski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1844392.pdf
Data publikacji:
2020
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
fertilization
irrigation meadow
non-irrigation meadow
permanent meadow
soil
sward
zinc
Opis:
The study took place between 2012 and 2014 in Falenty near Warsaw, Poland, as part of a long-term scientific experiment (first began in 1987) using the randomized block method. All blocks were irrigated until 2008. In 2009 each block was divided into two areas: irrigated and non-irrigated. The study involved four levels of inorganic nitrogen fertilizer and two levels of mixed inorganic and organic fertilizer in the form of fermented cattle urine. The soil in all experimental plots was characterized by low levels of zinc, ranging from 7.6 to 16.7 mg Zn∙kg–1 dry matter. Much lower Zn content in both soil layers of all irrigated plots was associated with increased yields on these plots, regardless of the level and form of fertilizer. The content of Zn in soil and sward in 2014 year was significantly lower compared in 2012. Inadequate levels of zinc for ruminant nutrition were observed in the sward from all plots (15.4–28.8 mg∙kg–1 dry matter). The higher content of zinc was found in sward harvested from the plot, which was not fertilized with phosphorus. The long-term inorganic and fermented urine fertilization resulted in very low zinc content in the soil and meadow sward.
Źródło:
Journal of Water and Land Development; 2020, 47; 61-65
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microbial transport in soil caused by surface and subsurface drip irrigation with treated wastewater
Autorzy:
Kouznetsov, M.Y.
Pachepsky, Y.A.
Gillerman, L.
Gantzer, C.J.
Oron, G.
Powiązania:
https://bibliotekanauki.pl/articles/24290.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
bacteriophage
subsurface drip irrigation
fecal coliform
waste water
surface drip irrigation
microbial transport
soil
irrigation
Źródło:
International Agrophysics; 2004, 18, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effects of the Quality of Irrigation Water Used on Agricultural Soils in Coastal Chaouia, Morocco
Autorzy:
Rafik, Fadwa
Saber, Najib
Halima, Oumaima Iben
Douaik, Ahmed
Powiązania:
https://bibliotekanauki.pl/articles/2202376.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
coastal Chaouia
irrigation
well water
soil
salinity
Opis:
The Coastal Chaouia region is located south of the Casablanca city (Morocco). Since the 1970s, groundwater has been used intensively for irrigation, previously for growing citrus and currently for vegetables and forages. The increase of irrigated soils by pumping has induced environmental problems such as the degradation of groundwater quality and salt water intrusion. For these reasons, this work aimed to study the impact of the irrigation water quality upon the agricultural soils. During the study, 71 samples of well water and soil were taken to represent the whole considered area, which comprised 3 different zones (0–1.8 km, 1.8–4.5 km, and 4.5–11 km from the coast). The analyzed parameters were salinity and pH. The results showed firstly that the soil pH average values decrease for the three zones with 7.73, 7.57, and 7.52, respectively. However, the water pH averages vary from 7.24 to 7.49. For the soil electrical conductivity, it represents a light decrease moving from the nearest zone to the sea to the far one (average of 3.54, 2.66, and 2.33, respectively). A similar result is for observed water electrical conductivity with average of 6.83, 5.30, and 2.06, respectively, for the three zones. The analyses of the soil and water salinity show that both salinities decreased moving from the coast to inland. Richard and Wilcox charts have confirmed the strong mineralization and the poor quality of most of the well water which are close to the sea.
Źródło:
Journal of Ecological Engineering; 2023, 24, 2; 50--60
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of post-infiltration soil aeration at different growth stages of sub-surface trickle-irrigated tomato plants
Autorzy:
Li, Y.
Jia, Z.-X.
Niu, W.-Q.
Wang, J.-W.
Powiązania:
https://bibliotekanauki.pl/articles/25648.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
post-infiltration aeration
soil aeration
growth stage
tomato plant
subsurface irrigation
trickle irrigation
Źródło:
International Agrophysics; 2016, 30, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Irrigation and fertigation scheduling under drip irrigation for maize crop in sandy soil
Autorzy:
Ibrahim, M.M.
El-Baroudy, A.A.
Taha, A.M.
Powiązania:
https://bibliotekanauki.pl/articles/26207.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
irrigation
fertigation
drip irrigation
maize
yield
water productivity
crop
sandy soil
field experiment
Źródło:
International Agrophysics; 2016, 30, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of reclamation on the structure of silty-clay soils irrigated with saline-sodic waters
Autorzy:
Cucci, G.
Lacolla, G.
Pagliai, M.
Vignozzi, N.
Powiązania:
https://bibliotekanauki.pl/articles/24612.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
soil structure
soil porosity
salinity
image analysis
reclamation
silty soil
clay soil
irrigation
bulk density
Opis:
The objective of the work was to evaluate, by using the micromorphometric method, the effects of reclamation on porosity of two different clay loam soils irrigated with saline-sodic waters. Soil samples of the Ap horizon were put in cylindrical containers and irrigated with 9 types of saline-sodic waters (3 levels of salinity combined with 3 levels of sodicity). After a 4-year period, correction treatments were initiated by addition of calcium sulphate and leaching until electrical conductivity and sodium absorption ratio values of the drainage water matched 3 dS m-1 and 9, respectively. After 2 years of correction treatments, undisturbed soil samples were taken from the surface layer and soil thin sections for porosity measurements. Both soils did not show critical macroporosity values (> 10%, below this threshold a soil is classified as compact). Nevertheless, the soils exhibiteda different behaviour: total porosity of the Pachic Haploxeroll soil was not affected by difference in water salinity and alkalinity; on the contrary, the Udertic Ustochrept soil showed a lower porosity associated with higher salt concentration in the irrigation waters. This may be due to the different iron and aluminium sesquioxides content and, as a consequence, a different effect on soil aggregate stability.
Źródło:
International Agrophysics; 2015, 29, 1
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interpolation of soil infiltration in furrow irrigation: Comparison of kriging, inverse distance weighting, multilayer perceptron and principal component analysis methods
Autorzy:
Alipour, N.
Nasseri, A.
Mohammbdi, T.A.
Pazira, E.
Powiązania:
https://bibliotekanauki.pl/articles/971544.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
artificial neural network
geostatistical analysis
irrigation
soil infiltration
Opis:
Study on soil infiltration rate as part of water cycle is essential for managing water resources and designing irrigation systems. The present study was conducted with the aim to compare Kriging, inverse distance weighting (IDW), multilayer perceptron (MLP) and principal component analysis (PCA) methods in the interpolation of soil infiltration in furrow irrigation, and determine the best interpolation method. To conduct infiltration tests, furrows were made on the farm in four triad groups. Infiltration through the blocked furrows method was measured 10, 20, 30, 40, 50, 60, 90, 120, 150, 160, 180 and 210 min after irrigation at a 10-meter distance in each furrow. Data were analyzed by GS+ and Neuro Solutions (NS) software packages. In this study, the maximum error (ME), mean bias error (MBE), mean absolute error (MAE), root mean square error (RMSE), relative error (RE) and correlation coefficient (r) were used to compare the interpolation methods. The results of analysis of variance (ANOVA) indicated that differences in methods based on RMSE, MBE, MAE and ME indices were not significant; however, this difference was significant based on r and RE indices. According to the ANOVA results, it can be said that the PCA method with a r of 0.69 and RE of 31%, was predicted with a higher accuracy as compared to other methods.
Źródło:
Polish Journal of Soil Science; 2019, 52, 1; 59-74
0079-2985
Pojawia się w:
Polish Journal of Soil Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soil microbial and nutrient dynamics influenced by irrigation-induced salinity and sewage sludge incorporation in sandy - loam textured soil
Autorzy:
Ankush
Prakash, R.
Kumar, R.
Singh, V.
Harender
Singh, V.K.
Powiązania:
https://bibliotekanauki.pl/articles/2082943.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
sewage sludge
saline irrigation
soil
microbial
biomass carbon
enzyme activity
Opis:
The use of sewage sludge in agriculture is known to be environmentally friendly as it is a practical way of recycling municipal waste. A short-term experiment was carried out to study the changes in soil chemical and microbiological properties influenced through the addition of sewage sludge along with saline irrigation under a pearl millet-wheat crop rotation. There were three irrigation (canal water (0.35 dS m-1), 8 and 10 dS m-1 electrical conductivity saline water) and five fertilizer treatments (control-F1, sewage sludge (5 t ha-1)-F2, sewage sludge (5 t ha-1) +50% recommended dose of fertilizer (RDF)-F3, sewage sludge (5 t ha-1)+75% RDF-F4 and RDF-F5). The results showed that soil organic carbon, and available nitrogen, and phosphorus were reduced significantly under saline conditions but there was an increase in available potassium with the increasing salinity levels of the irrigation water. A significant reduction in soil microbial biomass carbon and enzyme activities was caused by 8 and 10 dS m-1 as compared to 0.35 dS m-1 at different growth stages of crops. Treatment F4 attained the highest soil microbial activity at each crop growth stage by a significant margin among all of the fertilizer treatments, which is associated with a substantial build-up of organic carbon and available NPK in the soil. Soil microbial activities followed a particular trend: at 35 and 75 days after sowing>harvest>sowing in pearl millet and wheat, respectively. Sewage sludge dumping is a major problem in India, and the present study suggests that by applying sewage sludge, soil biological health is improved; therefore its use in agriculture is recommended to farmers.
Źródło:
International Agrophysics; 2020, 34, 4; 451-462
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Field and modelling study for deficit irrigation strategy on roots volume and water productivity of wheat
Autorzy:
Abdelraouf, Ramadan E.
El-Shawadfy, Mohamed A.
Dewedar, Osama M.
Hozayn, Mahmoud
Powiązania:
https://bibliotekanauki.pl/articles/1844310.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
irrigation
roots volume
SALTMED model
soil moisture
water productivity
wheat
Opis:
In many regions of the world, including Egypt, water shortages threaten food production. An irrigation deficient strategy in dry areas has been widely investigated as a valuable and sustainable approach to production. In this study, the dry matter and grain yield of wheat was decreased by reducing the amount of irrigation water as well as the volume of the root system. As a result of this, there was an increase the soil moisture stress. This negatively affected the absorption of water and nutrients in the root zone of wheat plants, which ultimately had an effect on the dry matter and grain yield of wheat. The values of dry matter and grain yield of wheat increased with the ʻSakha 94ʼ variety compared to the ʻSakha 93ʼ class. It is possible that this was due to the increase in the genetic characteristic of the root size with the ʻSakha 94ʼ variety compared to the ʻSakha 93ʼ class, as this increase led to the absorption of water and nutrients from a larger volume of root spread. Despite being able to increase the water productivity of wheat by decreasing the amount of added irrigation water, the two highest grain yield values were achieved when adding 100% and 80% of irrigation requirements (IR) needed to irrigate the wheat and no significant differences between the yield values at 100% and 80% of IR were found. Therefore, in accordance with this study, the recommended irrigation for wheat is at 80% IR which will provide 20% IR. When comparing the water productivity of two wheat varieties in study, it becomes clear that ʻSakha 94ʼ was superior to ʻSakha 93ʼ when adding the same amount of irrigation water, and this resulted in increased wheat productivity for ʻSakha 94ʼ. The SALTMED results confirmed good accuracy (R2: 0.92 to 0.98) in simulating soil moisture, roots volume, water application efficiency, dry matter, and grain yield for two varieties of wheat under deficit irrigation conditions. Whilst using sprinkler irrigation system under sandy soils in Egypt.
Źródło:
Journal of Water and Land Development; 2021, 49; 129-138
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ wieloletniego stosowania ścieków komunalnych na wybrane właściwości gleb pól irygacyjnych
The influence of long-term application of municipal sewage on selected properties of soils from irrigation fields
Autorzy:
Licznar, M.
Drozd, J.
Licznar, S. E.
Weber, J.
Bekier, J.
Walenczak, K.
Szadorski, J.
Pora, E.
Powiązania:
https://bibliotekanauki.pl/articles/339163.pdf
Data publikacji:
2010
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
irygacja
ścieki miejskie
właściwości gleb
municipal sewage
irrigation
soil properties
Opis:
W pracy analizowano wpływ czasu i częstości nawadniania gleb ściekami miejskimi na ich wybrane właściwości fizyczne, fizykochemiczne i chemiczne, ze szczególnym uwzględnieniem ilościowych i jakościowych zmian związków próchnicznych. Obiektem badań były gleby pól irygacyjnych wielkiej aglomeracji miejskiej. Przeprowadzone badania wykazały, że irygacja gleb ściekami miejskimi przyczyniła się do zwiększenia zawartości materii organicznej oraz składników biogennych. Zaobserwowano także wyraźną kumulację związków lipidowych i zwiększenie udziału kwasów huminowych w glebach nawadnianych najczęściej. Stwierdzono również, że częsta irygacja ściekami miejskimi gleb lekkich może przyczynić się do degradacji środowiska.
The aim of this study was to analyze how variations in time and frequency of soil irrigation with municipal sewage affect some physical, physicochemical and chemical properties of the irrigated soil, including quantitative and qualitative changes of humic substances. Soils from irrigation fields of a large city agglomeration were selected for this study. Results showed increased concentration of organic matter and nutrients in irrigated soils. The accumulation of lipid substances and humic acids were observed in most frequently irrigated soils. It was found that frequent irrigation of light soils with municipal sewage might lead to environmental degradation.
Źródło:
Woda-Środowisko-Obszary Wiejskie; 2010, 10, 3; 129-137
1642-8145
Pojawia się w:
Woda-Środowisko-Obszary Wiejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Drainage Devices and Post-Bog Soil Changes on Water Retention in Drained Lower Supraśl River
Autorzy:
Kiryluk, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/125025.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
soil drought
retention of water
drainage devices
post-bog soils
irrigation
Opis:
Water shortages occurring in the natural environment are the result of progressing climate changes, including the decreasing amount of atmospheric precipitation. In Poland, during the vegetation periods, droughts occur every 4-5 years, which causes losses in the field production and in forest communities. Reducing the negative effects of drought is possible by retention of water within a catchment. This method of improving the water balance has been included in the provisions of the Water Framework Directive and Water Law. On the meliorated valley objects, there are melioration devices that enable regulation of the moisture content, including irrigation during periods of drought. Drainage ditches can also retain water in the early spring periods with high flows in rivers. The studies carried out on the Lower Supraśl river site showed that about 40% of drainage devices used for water damming (dams and ramps), as well as for water distribution (feeders and detailed ditches) are not technically efficient and do not fulfil the function of moisture content regulation. Fibrous-muck soils occurring on this object, due to the lack of rainfall and irrigation, reduced the water retention capacity by approximately 30%. Modernization and reconstruction of drainage devices on valley objects will enable increasing the retention within individual catchments.
Źródło:
Journal of Ecological Engineering; 2019, 20, 8; 120-128
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 63

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