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    Tytuł:
    Effect of a land reclamation system on the volume and seasonality of nitrate runoff from croplands
    Wplyw systemu melioracyjnego na wielkosc i sezonowosc odplywu azotanow z gleb uprawnych
    Autorzy:
    Koc, J
    Solarski, K.
    Rochwerger, A.
    Tematy:
    run-off
    land reclamation
    cropland
    drainage system
    seasonality
    agricultural soil
    nitrate
    Pokaż więcej
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Powiązania:
    https://bibliotekanauki.pl/articles/13951.pdf  Link otwiera się w nowym oknie
    Opis:
    The paper contains the results of eight-year-long studies on the runoff of nitrates from heavy soils used as croplands. The runoffs of nitrates from a drainage catchment and a catchment drained with ditches were compared. The drainage system was found to carry away twice as much water, with a five-fold higher concentration of nitrates and 20-fold higher load of nitrates, than the system of ditches. High runoff of nitrates (22 kg ha-1 annually) from the soils drained by drains was distributed quite evenly throughout the year, with maximum peaks in March and June. Nitrate runoff through the system of ditches was low (1.15 kg ha-1 annually), reaching maximum peaks in March and April (62% of the load), but disappearing in the summer.
    W pracy przedstawiono wyniki 8-letnich badań odpływu azotanów z gleb ciężkich użytkowanych ornie. Porównywano odpływ azotanów ze zlewni drenarskiej i zlewni odwadnianej rowami. Stwierdzono, że system drenarski odprowadza 2-krotnie więcej wody o 5-krotnie wyższym stężeniu azotanów i 20-krotnie wyższym ich ładunku niż system rowów. Z gleb odwadnianych drenami wysoki odpływ azotanów (22 kg rocznie z 1 ha) rozkładał się równomiernie w ciągu roku, z maksimum w marcu i czerwcu. Odpływ azotanów systemem rowów był niewielki (1,15 kg rocznie z 1 ha), z maksimum w marcu i kwietniu (62% ładunku) i zanikiem odpływu latem.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Carbon balance in arable grey forest soils
    Autorzy:
    Larionova, A.A.
    Rozanova, L.N.
    Yevdokimov, I.V.
    Blagodatsky, S.A.
    Tematy:
    carbon balance
    arable soil
    grey soil
    forest soil
    soil respiration
    cropland
    fertilizer application
    Pokaż więcej
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Powiązania:
    https://bibliotekanauki.pl/articles/9205467.pdf  Link otwiera się w nowym oknie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Finansowanie kapitałem obcym gospodarstw rolnych w województwie mazowieckim a zaangażowanie ziemi jako czynnika produkcji
    Financing of foreign capital of farm in mazowieckie voivodship and engagement of the land as a production factor
    Autorzy:
    Mądra-Sawicka, Magdalena
    Wasilewski, Mirosław
    Tematy:
    gospodarstwa rolnicze
    nansowanie kapitałem obcym
    opinia rolników
    powierzchnia użytków rolniczych
    agriculture holdings
    foreign sources of nancing
    farmer’s opinion
    cropland area
    Pokaż więcej
    Wydawca:
    Centrum Doradztwa Rolniczego w Brwinowie. Oddział w Poznaniu
    Powiązania:
    https://bibliotekanauki.pl/articles/2056262.pdf  Link otwiera się w nowym oknie
    Opis:
    Celem głównym opracowania jest przedstawienie opinii rolników na temat finansowania działalności gospodarstw kapitałem obcym przy uwzględnieniu zaangażowania ziemi jako czynnika produkcji. Badania przeprowadzono z wykorzystaniem kwestionariusza wywiadu na grupie 100 rolników prowadzących indywidualne gospodarstwa rolnicze w województwie mazowieckim oraz funkcjonujących w ramach rachunkowości rolnej systemu FADN. Rolnicy wskazali na dwa realizowane cele związane ze wzrostem zaangażowania kapitału obcego: utrzymanie płynności finansowej na bezpiecznym poziomie oraz przeprowadzanie szybszej modernizacji. Największą liczbę czynników, którą brali pod uwagę rolnicy przy zwiększaniu poziomu zadłużenia stwierdzono w gospodarstwach największych obszarowo. Wśród najczęściej wskazywanych determinant w tym zakresie wyróżnić można: wartość inwestycji, na którą pozyskiwane miało być finansowanie zewnętrzne oraz wartość kredytu i odsetek.
    The aim of the paper is to present and evaluate the opinion of farmers on the financing of holding foreign capital under criterion of cropland area usage in farms. The study was conducted using a questionnaire interview on a group of 100 farmers individual agricultural holdings leading accounting and agricultural FADN system, in mazowieckie voivodship. The main objectives of increasing the debt level were indicated by farmers in two opposing aims such as maintaining liquidity at a safe level and carrying out rapid modernization and development of farms. The greatest number of determinants shaping the debt level were found in farms characterized with the largest cropland areas. Among the most frequently cited factors by farmers, mainly were distinguish: the value of investments which need external financing and the value of the loan and interest.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geographia Polonica Vol. 94 No. 1 (2021)
    The impact of traditional land use management on soil quality in Northeastern Himalayas (India)
    Autorzy:
    Mishra, Gaurav. Autor
    Rodrigo-Comino, Jesús. Autor
    Wydawca:
    IGiPZ PAN
    Powiązania:
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    Geographia Polonica
    Shukla, M.K., Lal, R., Ebinger, M. (2006). Determining soil quality indicators by factor analysis. Soil Tillage Research, 87, 194-204. https://doi.org/10.1016/j.still.2005.03.011
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    Opis:
    24 cm
    In the Northeast Himalayas (NEH) region, four major conventional land-use types are forest, Jhum lands, fallow Jhum lands and plantations, but little is known about their sustainability and responses to changes. We collected soil samples at two uniform depths (0-15 and 15-30 cm) from the Zunheboto district of Nagaland (India). The dataset was statistically analyzed by conducting an ANOVA-one way, principal component analysis (PCA) and calculating an additive soil quality index (SQIa). Our results confirmed that sand content, bulk density (BD), porosity, soil organic carbon (SOC), cation exchange capacity (CEC), exchangeable calcium and potassium showed significant statistical differences among soil depths depending on the land use management. PCA results showed that soil texture, BD, porosity, SOC and exchangeable cations could be consideredthe major indicators to define soil quality. After estimating the SQIa, Jhum soils showed the highest values at the surface, while at 15-30 cm soil depth, fallow Jhum soils phase showed the highest ones. The conversion from natural forest to plantation does not hamper the SQ, but their conversion into Jhum may even increase it, for a shorter duration. However, after 1-2 year of cultivation and conversion from Jhum into fallow Jhum land, soil quality could be reduced.
    Dostawca treści:
    RCIN - Repozytorium Cyfrowe Instytutów Naukowych
    Książka
    Tytuł:
    Wpływ wieku właściciela na wielkość mocy zainstalowanej w gospodarstwie rolnych
    Effect of owners age on power installed in the farmsteads
    Autorzy:
    Kowalski, J.
    Szeląg-Sikora, A.
    Tematy:
    rolnik
    wiek
    użytki rolne
    powierzchnia
    moc zainstalowana
    analiza opisowa
    analiza statystyczna
    farmers age
    cropland area
    installed power
    descriptive analysis
    statistical analysis
    Pokaż więcej
    Wydawca:
    Polskie Towarzystwo Inżynierii Rolniczej
    Powiązania:
    https://bibliotekanauki.pl/articles/289458.pdf  Link otwiera się w nowym oknie
    Opis:
    Analiza danych zebranych w drodze wywiadu kierowanego, pozwoliła jednoznacznie stwierdzić istotność współzależności pomiędzy wiekiem właścicieli gospodarstw a wartością mocy zainstalowanej w parku maszynowym w badanych gospodarstwach. Przeprowadzona analiza korelacyjno-regresyjna wykazała istotną statystycznie ujemną relację pomiędzy wiekiem rolników a mocą zainstalowaną, co obrazuje współczynnik korelacji równy - 0,48.
    Analysis of the data collected during a directed interview allowed to univocally show relevance of correlation between farmstead owner's age and the value of power installed at the machine park of the analyzed farmsteads. The performed correlational and regressive analysis demonstrated statistically relevant negative relation between the farmer's age and installed power, which is illustrated by the correlation factor of 0,48.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Productive and economic factors affecting the development of mountain meadow organic farms in the years 2004-2009
    Produkcyjne i ekonomiczne czynniki rozwoju górskich łąkarskich gospodarstw ekologicznych w latach 2004-2009
    Autorzy:
    Prokopowicz, J.
    Jankowska-Huflejt, H.
    Tematy:
    łąkarskie gospodarstwa ekologiczne
    dotacje
    pogłowie
    standardowa nadwyżka bezpośrednia
    struktura zasiewów
    zatrudnienie
    herd size
    cropland structure
    employment
    meadow organic farm
    standard gross margin
    subsidies
    Pokaż więcej
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Powiązania:
    https://bibliotekanauki.pl/articles/293185.pdf  Link otwiera się w nowym oknie
    Opis:
    Studies performed with the method of steered interview were carried out in 2004-2009 in 9 organic meadow farms in mountain areas and in 32 farms in lowland voivodships. The mean area of agricultural lands (AL) in studied farms was 46.14 ha in 2009 and ranged from 3.01 ha to 305.80 ha. Productive (yields and animal stock) and economic (standard gross margin per ha of AL and per fulltime employed person) results were related to natural, agricultural and economic characteristics. A hypothesis was formulated that it is possible to produce ecologically allowable, socially accepted and economically effective healthy food in organic mountain farms. Analysed factors included: the area of agricultural lands (AL), cow stock, milk efficiency, farmers' age and the value of fixed assets in zł per ha AL. Low to medium level of investment in fixed assets and relatively low level of direct costs of plant and animal production was noted in studied farms. Incomes from agricultural production in studied mountain farms were medium to low; higher from animal (cattle and sheep) than from plant production. Gross margin both per ha AL and per full-time employed person was medium to low in relation to all farms in the country. Generally, the costs of agricultural production in studied organic farms were not always compensated by incomes. They were only compensated by the state and EU subsidies. It was concluded that in both lowland and mountain organic farms the production of high quality food is possible providing a definite level of subsidies.
    Badania, metodą wywiadu kierowanego, przeprowadzono w latach 2004-2009, w ekologicznych łąkarskich gospodarstwach rolnych - 9 na terenie 2 województw górskich (małopolskie i podkarpackie) oraz 32 na terenie 7 województw nizinnych (kujawsko-pomorskie, lubuskie, mazowieckie, podlaskie, pomorskie, warmińsko-mazurskie, wielkopolskie). Obszar użytków rolnych (UR) w obu grupach gospodarstw wyniósł w 2009 r. 1891,74 ha, w poszczególnych gospodarstwach wahał się od 3,01 ha do 305,80 ha, średnio 46,14 ha. Na tle charakterystyki przyrodniczo-rolniczej i ekonomicznej przedstawiono wyniki produkcyjne (plony w t·ha-1, obsada zwierząt w SD·ha-1 UR) i ekonomiczne (standardowa nadwyżka bezpośrednia w euro/ha UR i na osobę w pełni zatrudnioną) omawianych grup gospodarstw. Postawiono hipotezę że w ekologicznych łąkarskich gospodarstwach górskich możliwa jest produkcja zdrowej żywności dopuszczalna przyrodniczo (ekologicznie), akceptowana społecznie i efektywna ekonomicznie. Badano następujące czynniki: obszar UR w ha, obsadę krów w szt., mleczność krów w l, wiek właścicieli gospodarstw w latach, wartość środków trwałych w zł·ha-1 UR. Badania wykazały, że w obu badanych grupach łąkarskich gospodarstw ekologicznych (górskich i nizinnych) możliwa jest efektywna ekonomicznie produkcja "jakościowej żywności" - pod warunkiem określonego poziomu dopłat. Wyniki ekonomiczne gospodarstw ekologicznych mogą wzrastać wraz ze wzrostem dochodów większej liczby ludności naszego kraju, oraz z poprawą organizacji skupu rolniczej produkcji ekologicznej, szczególnie w zachodnich rejonach naszego kraju, ze względu na możliwość jej eksportu do Europy Zachodniej. Przejściowo, w wyniku obecnego kryzysu ekonomicznego, popyt na żywność ekologiczną, z powodu wyższych cen, może być nieco zmniejszony.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wyodrebnienie sieci drog rolniczych w postaci grafu opisujacego przejazdy do uprawianych gruntow na podstawie mapy numerycznej
    Presentation of an agricultural road network in a form of a graph describing access roads to cultivated land basing on a numerical map
    Autorzy:
    Harasimowicz, S
    Janus, J.
    Ostragowska, B.
    Tematy:
    gospodarstwa rolne
    drogi rolnicze
    wies
    rozlog gruntu
    mapy numeryczne
    siec drogowa
    mapy ewidencyjne
    scalanie gruntow
    farm
    agricultural road
    village
    cropland expanse
    digital map
    road network
    cadastral map
    land consolidation
    Pokaż więcej
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Powiązania:
    https://bibliotekanauki.pl/articles/40752.pdf  Link otwiera się w nowym oknie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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