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Wyświetlanie 1-15 z 1086
Tytuł:
Ocena higieniczna czwartorzędowych połączeń amoniowych produkowanych przez przemysł krajowy
Gigienicheskaja ocenka chetyrekhzameshhennykh ammonevykh osnovanijj producirovannykh mestnojj promyshlennostju
Sanitary-hygienic evaluation of quaternary, ammonium compounds manufactured by the Polish industry
Autorzy:
Cwiertniewska, E.
Powiązania:
https://bibliotekanauki.pl/articles/872372.pdf
Data publikacji:
1959
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
srodki powierzchniowo czynne
czwartorzedowe zwiazki amoniowe
zastosowanie
srodki czyszczace
mycie naczyn
dezynfekcja
wlasciwosci bakteriobojcze
wlasciwosci toksyczne
badania jakosciowe
oznaczanie ilosciowe
napiecie powierzchniowe
toksycznosc
surfactant
tetraethylammonium
application
cleaner
dish
disinfection
bactericidal property
toxicological property
qualitative research
quantitative determination
surface tension
toxicity
Źródło:
Roczniki Państwowego Zakładu Higieny; 1959, 10, 2
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Toksyczność ostra ftalanu dwubutylu oraz ftalanu dwu-2-etyloheksylu produkcji krajowej
Ostraja toksichnost dibutilftalata i di-2-ehtilgeksilftalata mestnogo proizvodstva
Acute toxicity of dibutyl-phthalate and di-2-ethyl-hexyl phthalate of Polish make
Autorzy:
Homrowski, S.
Nikonorow, M.
Powiązania:
https://bibliotekanauki.pl/articles/875992.pdf
Data publikacji:
1959
Wydawca:
Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
Tematy:
ftalan dibutylu
ftalan dwu-2-etyloheksylu
stosowanie
przetworstwo tworzyw sztucznych
opakowania foliowe
zywnosc
wlasciwosci fizykochemiczne
toksycznosc ostra
dibutyl phthalate
di(2-ethylhexyl)phthalate
application
plastic processing
plastic packaging
food
physicochemical property
acute toxicity
Źródło:
Roczniki Państwowego Zakładu Higieny; 1959, 10, 4
0035-7715
Pojawia się w:
Roczniki Państwowego Zakładu Higieny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Error analysis in the fast Fourier transform algorithm for real data
Autorzy:
Mejran, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/748535.pdf
Data publikacji:
1978
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Trigonometric approximation and interpolation, Application of orthogonal and other special functions
Opis:
.
From the text: "We present a variant of the fast Fourier transform for real data and analyze its numerical implementation in t-digit floating point arithmetic. While a direct calculation of the coefficients a(k), dla k=0,...,2n from the data y(j), j=1,...,2n, or vice versa, requires O(n^2) operations, our algorithm requires O(n log_2(n) operations."
Źródło:
Mathematica Applicanda; 1978, 6, 13
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przestępczość wielokrotnych recydywistów i stosowana wobec nich polityka karna
Crime among multi-recidivists, and penal policy towards them
Autorzy:
Siemaszko, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/699076.pdf
Data publikacji:
1983
Wydawca:
Polska Akademia Nauk. Instytut Nauk Prawnych PAN
Tematy:
recydywista
stosowanie kar
polityka karna
przestępczość
więzienie
recidivist
application of penalties
criminal policy
criminality
prison
Opis:
         In Poland in recent  years, the number of people sentenced each year in what is know as „special multiple recidivism (Art.60 § 2) has been in the order of 1,500-1,700. This paragfaph of the Penal Code, which applies to offences against property and to acts of hooliganism, provides for a drastic stepping-up of penal Sanctions. Under the Penal Code, the minimum sentence for multi-recidivists in this category is two years' imprisonment, unless there are mitigating circumstances. Hence it may be concluded that the legislation regards this group of effenders as  constituting a specially serious danger to law and order. The sudy described below was designed to elucidate if that is really the case.       The subjects in this study were all multi-recidivists sentenced under this paragraph by the courts in five voivodships of Poland, in the years  1975 and 1976. Over  1,700 criminal cases brought against 131 persons were analysed. For technical reasoni, it was not possible to make a random sample. Nevertheless, if we take into consideration the fact that the subjects constituted 10%  of all multi-recidivists  convicted of special multiple recidivism within this period, as well as the fact that the main social and demographic data and the kinds of crimes committed by the multi-recidivists in our group are almost identical to such data in other investigations based on random samples, we can take it that the sample used in our study may be considered as representative of all the offenders convicted of  crimes in what is known as „specual multiple recidivism”.       The methods used was to analyse the court records and the data given in the register of convicted persons and in the register of prisoners. Efforfs were made to collect information from the records on all crimes committed by the recidivists in our group, right from the beginning of their criminal career.      The study fell into the following headings: 1) basic socio-demographic data, 2) crime record,         3) structure of offences committed, 4) effectiveness of penal measures used, 5) the penal policy adopted towards our subjects in different periods. Finally, conclusions drawn from the present study, as well asfrom other studies of multi-recidivism are presented.      Some basic characteristics of this group are as follows: The mean age of the subjects was 40, and their mean age at the time of the first conviction: 21. The percentage of multi-recidivists who began their criminal carrer being aged 25 and over was higher in this group than in other studies.      The educational level of the men in this group was much lower than that of the male manual workers employed in the public economy. Nearly  4O% of the subjects had no trade, and among those who did work, most of their jobs consisted of the simplest manual work not requiring any qualifications. Yet it was found that only about 40% of the subjects had worked regularly before their first conviction, and that nearly 39%o had never worked at all.       The average number of convictions per subject was 7. The mean length of prison sentence given was 31.9 months (that is, over  2.5 years), while the average stay in prison was 24.44 months, that is, just over two years.  Out of 922 sentences, 43.1%  did not exceed 18 months. The percentage of prison sentences of five years and over was only 6.6%. These facts may indicate that the offenders in this group had not committed serious crimes that were a real threat to law and order. But the sentences passed for the first two cases were statistically significantly lower than those imposed for later crimes. A similar statistically significant difference was noted as regards length of successive periods spent at liberty. After each period in prison, the periods at liberty became successively shorter. Nevertheless generally speaking the tempo of recidivism was very high in this group. Out of a total number of 818 periods spent in freedom,  11.4%  had a duration not exceeding a month, while 40%  did not exceed six months in duration. The percentage of periods of freedom that lasted for more than three years was barely 7.4% in this group.      As for the structure of offenies committed by the subjects in this group, offences against property dominated, for  85.9% of the total number of  1,784 offences committed were offences of this type, offences against the person 3.48%  of the total, offences against authority 3.48%, and offences against the family 1.23%. Theft of private property accounted for 50% of all the offences  committed by the recidivists in this group.  Serious crimes, such as rape, homicide, or robbery, constituted barely  2.2%  of all the offences committed by this group, and by far the most were robberies. But even robbery, regarded as a serious crime, formed a tiny percentage of all the offences committed, for out of the total numbet of 1,784 offences, 37 were robberies.      In more than 75% of the crimes against property, the sums obtained were no more than 5,000 zlotys, while in only 11%  of the total cases did the sum obtained exceed 10,000 zlotys .     Several methods were used to assess the effectiveness of imprisonment. The first method was to work out the correlation between the variable "time in prison”  and the variable "time at in freedom". This correlation turend out to be nearly 0 (r = 0.02). This means that we can reject the hypothesis that there is a positive connection between length of imprisonment and time spent in freedom. The second method was to study the length of time spent in freedom  after periods of imprisonment of various lengths: up to 6 months, from 7  to 12 month., from 1 to 2  years, from 2 to 3 years,  and 3 years and over. Here, too, there was no significant correlation (X2 = 5.10; df = 12), which is below the level of significance. The third method was to try to find out if there was a significant diffence in duration of freedom between the recidivists sentenced to terms  of up to 6 months, and those sentenced to three years and over. The aim of this method was to discover if what are regarded as long terms in prison are followed by longer terms in the outside world. In other words,  it would be interesting to know if long-term incarceration has a deterrent effect. In this case, too, no significant statistical defferences were found (X2 = O,32; dt= 3, which is below the level of significance). Thus it would  seem that in our group of subjects' length of time in prison had no effect at all on the tempo of recidivism. This was confirmed by analysis of the duration of the first stay in prison as compared with the subsequent  time spent in freedom:  (X2 = 2.80; df = 4, which is below the level of significance).       There have been more and more frequent assertions of late, that the Polish criminal justice system has becoming more  and more punitive. The present study tried to test whether these assertions are justified with reference to the  population of multi-recedivists. Hence the period 1948-1978 was divided into five stages more or less corresponding to different phases of penal policy in Poland. These stages are as follows: Period I (l948-1955), Period II (1956-1960), Period III ( 1961-1965), Period IV (1966-1969), and Period V (197O-1978). The next step was to determine the character of penal policy towards recidivists during these various stages. As regards the length of the first prison sentences, the t test for the significance of the differences between the means showed that the mean duration of prison sentences in Period I (which was a very punitive period) was significantly greater than the duration of sentences passed in Period II and III. On the other hand, the mean duration of sentences passed in Periods I and IV showed no significant difference. This means that from the high figure un the "Stalin era”, the mean length of first prison sentences fell sharply in the next decade (especially in the „post October 1956" period), after which it gradually rose again, till in the period 1966-1969 it had reached a level not much lower than that of the "Stalin era". A similar analysis was made  of the second prison sentences meted out. Our findings were that during the whole time under review there were no drastic changes of penal policy towards persons previously sentenced. (None of the differences between the means representing the duration of second prison sentences were statistically significant). The highest mean length of prison sentences  was noted in Period I. There was a sharp fall in Period II, followed again by a gradual rise, until Period V, when length of sentence again was nearly as great as in Period I. Since similar results were obtained when the means of the length of third prison sentences in the various periods were compared, as well as the  means for the length of all sentences meted out in all five periods (here the tendency we have been discussing was particularly evident), the hypothesis as to the steadily increasing punitive character of the punitive justice system in Poland would seem to be borne out by the evidence.          Use of the means has this drawback: that with the exception of the standard deviation we have no other information about the sentences coming into different duration categories. For this reason we carried out an extra test, which consisted in comparing the distribution of sentences in the same five periods, but in categories with sentences of up to 1 year, from 1 year to 2 years, and sentences of two years and over. Here, too, the same tendency was found (X2=119.19;  df = 8; p<0.01).          The following conclusions were reached as a result of this study. The principles behind the paragraph of the Penal Code which deals with special multiple recidivism, and the construction of that paragraph, are wrong. Instead of being aimed maiunly at the perpetrators of serious crimes against person, as well as serious crimes against property, this paragraph in actual fact affects the perpretators of petty or very petty offences against property. On the whole these are habitual petty thieves, who offer no real serious threat to law and order. The result is that in the practice of punitive justice system even a very petty theft comitted in conditions of special multiple recidivism leads to a long term of  imprisonment. The consequence is that it also leads to a formal increase of recidivism, for if the law were different, the case could be discontinued or suspended. Hence Art. 60 § 2 of the Penal Code should definitely be abrogated.
Źródło:
Archiwum Kryminologii; 1983, X; 23-54
0066-6890
2719-4280
Pojawia się w:
Archiwum Kryminologii
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control of the green peach aphid [Myzus persicae (Sulz.)], and the crescent-marked lily aphid. [Neomyzus circumflexum (Bckt.)], on chrysanthemum in a glass-house by different pesticides and application methods
Zwalczanie mszycy brzoskwiniowej (Myzus persicae Sulz.) oraz mszycy chryzantemy szklarniowej (Neomyzus circumflexum Bckt.) przy użyciu różnych pestycydów i stosowanych metod
Bor'ba s persikovojj tlejj [Myzus persicae (Sulz.)] i s tlejj teplichnojj khrizantemy [Neomyzus circumflexum (Bckt.)] s pomoshh'ju raznykh pesticidov i primenjaemykh metodov
Autorzy:
Goszczynski, W.
van de Vrie, M.
Powiązania:
https://bibliotekanauki.pl/articles/801677.pdf
Data publikacji:
1988
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
pest control
green peach aphid
Myzus persicae
crescent-marked lily aphid
mottled arum aphid zob.crescent-marked lily aphid
Neomyzus circumflexum
Aulacorthum circumflexum zob.Neomyzus circumflexum
chrysanthemum
glasshouse
pesticide
insecticide
application method
Opis:
В труде приводятся данные касающиеся борьбы с персиковой тлей (Myzus persicae Sulz. ) и с тлей тепличной хризантемы ( Neomyzus ciroumflexum Beckt.). Для борьбы использовали ряд пестицидов в виде фумигантов, аэрозолей и жидкостей для опрыскивания. Наиболее эффективным действием отличались пестициды примененные в виде опрысков (табл. 3). Подобно высокую эффективность наблюдали при применении смеси пестицидов в виде аэрозолей (табл. 2). Наиболее слабые эффекты были получены при применении пестицидов в виде фумигантов (табл. 1). Тли вида Neomyzus circumflexum оказались мало восприимчивыми к опрыскиванию исследуемыми пестицидами (табл. 4). Грибной пестицидный препарат (Верталек) базирующий на Verticillium lecani оказался неэффективным в борьбе с персиковой тлей поражающей хризантему (табл. 6 и 7).
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1988, 353
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wstępne obserwacje nad zastosowaniem pszenżyta (Triticale) w żywieniu jagniąt ssących
Predvaritel'nye nabljudenija po ispol'zovaniju tritikale v kormlenii jagnjat-sosunov
Preliminary observations on Triticale application in feeding of sucking lambs
Autorzy:
Gruszecki, T.
Efner, T.
Tarkowski, C.
Powiązania:
https://bibliotekanauki.pl/articles/796696.pdf
Data publikacji:
1988
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
zywienie zwierzat
owce
jagnieta ssace
pasze
pszenzyto
Triticale
mieszanki paszowe
mieszanki tresciwe
animal feeding
sheep
sucking lamb
application
feed mixture
Opis:
Наблюдения проводились на 230 ягнятах польской низинной овцы, разделенных случайно на две группы. В группе 1 (124) животных в период между 28-ым и 100-ым днем жизни кормили рационами, в состав которых как концентратный корм входило тритикале (пшенично-ржаной гибрид), а животные группы 1IV получали кормосмесь CJ. Анализ признаков характеризующих рост, качество шерсти и стоение, а также результаты отбора указывают на пригодность дерти тритикале в кормлении ягнят-сосунов.
The observations were performed on 230 lambs of the Polish lowland sheep divided at random into two groups. Sheep of the group I (124) were additionally fed in the period between the 28th and 100th day of life with feeds, in the composition of which was Triticale, while sheep of the group II obtained instead of Triticale the CJ mixture. The analysis of traits characterizing the growth, wool quality, body conformation and selection results, suggest the suitability of bruised Triticale grain in feeding of sucking lambs.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1988, 352
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badanie zwilżania i adhezji w procesie produkcji i stosowania sztucznych oklein na nośniku papierowym
Issledovanie smachivanija i adgezii w processe proizvodstwa i primienienie iskusstvennykh faner na bumazhnojj podlozhkie
Investigation on the phenomenon of moistening and adhesion in the production process and application of artificial veneers on paper carrier
Autorzy:
Magott, J.
Paprzycki, O.
Powiązania:
https://bibliotekanauki.pl/articles/802533.pdf
Data publikacji:
1990
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
zwilzanie
adhezja
produkcja
stosowanie
okleiny sztuczne
nosniki papierowe
moistening
adhesion
application
artificial veneer
veneer
paper carrier
Opis:
Явления смачив ния и адгезии определяли с учетом взаимодействия бумажной подложки с жидкой и отверденной насыщающей смолой, а также с жидким лаком и лаковым покрытием, бумажной подложки насыщенной смолей и жидким лаком и лаковым покрытием, готовой фанеры с жидким и отверденным мочевинно-формалгдегидным клеем. Взаимодействие материалов в обеих системах: твердое тело-жидкость и твердое тело-твердое тело определяли с помощью коэффициента смачивания, работу адгезии и поверхностное напряжение на предельной площади материалов. В опытах использоваии сырье применяемое в производстве искусственной фанеры Эластофоль В. Установлено, что процесс смачивания происходит более благоприятно, когда смачивающей жидкостью является лак, а не навыщающая бумагу смола или мочевинный клей применяемый в приклеивании фанеры к плитовым мебельным элементам. Адгезия во всех рассматриваемых слоевых системах высокая, при одновременно малой дифференциации величины адгезии.
The phenomena of moistening and adhesion were determined at consideration of the interaction of paper carrier and liquid and hardened saturating resin and with liquid lacquer and lacquer coating; of paper carrier saturated with resin with liquid lacquer and lacquer coating; hardened resin with liquid lacquer and lacquer coating; ready veneer with liquid and hardened urea-formaldehyde glue. The interaction of materials in both systems of solid body - liquid and solid body - solid body, was determined using the moistening coefficient, adhesion work and surface tension over the border area of the materials. Raw materials used for the artificial veneer production - Elastofol W. It has been found that the moistening process would run more favourably, if the moistening liquid was lacquer and not paper-saturating resin or urea glue used for glueing of veneer to plate elements of furniture. The adhesion was very strong on all layer systems, at a simultaneous small differentiation of the adhesion value.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1990, 379
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stand und Anwendung der Rechnergestutzten Beregnungsberatung in der DDR
Stan i zastosowanie opartego na technice obliczeniowj doradztwa dotyczącego deszczowania w NRD
Sostojanie i ispol'zovanie konsul'tacii v oblasti dozhdevanija v GDR na baze vychislitel'nojj tekhniki
Autorzy:
Krause, H.
Schmidt, H.
Powiązania:
https://bibliotekanauki.pl/articles/794353.pdf
Data publikacji:
1990
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
doradztwo
zastosowanie
deszczowanie
NRD
advisory service
application
sprinkling
German Democratic Republic
Opis:
Wykazano znaczenie nawadniania dla intensyfikacji produkcji roślinnej w NRD oraz sposób organizacji systemu deszczowania. Przedstawiono komputerowy system tzw. IBSB-2, który służy do obliczania i programowania potrzeb deszczowania na terenie NRD.
Излагается значение полива для интенсификации сельскохозяйственного производства в ГДР и обсуждаются организация и функция проекта ИСБС-2 для управления дождеванием с помощью ЭВМ.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1990, 387
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of pH on the microstructure and texture of whey protein concentrates and isolate gels
Autorzy:
Mleko, S.
Powiązania:
https://bibliotekanauki.pl/articles/1372717.pdf
Data publikacji:
1996
Wydawca:
Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:
microstructure
isolate gel
food application
food technology
gelation
texture
pH
functional property
protein concentrate
whey protein
whey
Opis:
The objective of this study was to determine the effect of pH on the fundamental rheological properties of whey protein concentrates (WPC) and isolate (WPI) gels and on the microstructure of WPI gels. Higher pH caused a significant increase in shear strain and shear stress values of WPCs and WPI gels. At some pH value a drop in strain and stress was observed. For whey protein preparations with higher protein content this drop occurred at lower pH values. Particulate microstructures of WPI gels were produced in the pH range 4-7. Fine-stranded gel was produced at pH 3 while mixed and fine-stranded gels were produced at pH value above 7. There was no relationship between microstructure and the shear strain values. The highest shear stress value of WPI gels was observed at pH 8. At this pH a mixed microstructure was produced.
W pracy przebadano wpływ pH na wartości rzeczywistego odkształcenia przy pęknięciu oraz rzeczywistego naprężenia stycznego przy pęknięciu żeli otrzymywanych z koncentratów i izolatu białek serwatkowych. Wykonano zdjęcia mikroskopowe żeli WPI przy użyciu transmisyjnego mikroskopu elektronowego. Zauważono wzrost wartości odkształcenia i naprężenia wraz ze wzrostem pH a następnie spadek. Spadek ten w przypadku preparatów białkowych o większej zawartości białka występował przy niższych wartościach pH. W zakresie pH 4-7 zaobserwowano powstawanie struktur ziarnistych (particulate). Drobne struktury (fine-stranded) zaobserwowano przy pH 3, a drobne i mieszane przy pH powyżej 7. Nie zauważono związku pomiędzy mikrostrukturą żeli WPI a wartościami odkształcenia. Najwyższą wartość naprężenia zaobserwowano przy pH 8. Otrzymany w tych warunkach żel miał budowę mieszaną.
Źródło:
Polish Journal of Food and Nutrition Sciences; 1996, 05, 1; 63-72
1230-0322
2083-6007
Pojawia się w:
Polish Journal of Food and Nutrition Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Existence theory for the equations of inelastic material behavior of metals - Transformation of interior variables and energy estimates
Autorzy:
Alber, Hans-Dietmer
Chełmiński, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/748036.pdf
Data publikacji:
1996
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Time-dependent problems
Equations of mathematical physics and other areas of application
Opis:
.
The system of equations, which we study, consists of linear partial differential equations and of nonlinear ordinary differential equations for internal variables. The existence theory for such systems was studied first by the french mathematicians G. Duvaut and J.L. Lions [1]. Next we can find in the literature a work of C. Johnson [2] on a quasi-static problem for a special model. Then in the nineties we can find more works in the domain. This work consists of two parts. In the first part we will classify constitutive equations and therefore we define constitutive equations of monotone type. Moreover by transformation of internal variables we will enlarge the class of constitutive equations, for which we can prove a. global in time existence theorem for large initial data. But there exist models, which are not of monotone type and which we can not transform to monotone type. Therefore we must study such models with other methods. This is the second part, of the work. We write about the energy method for the model of Bodner-Partom.
Źródło:
Mathematica Applicanda; 1996, 25, 39
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of fertilisation on the content of some manganese fractions in acidic soils
Autorzy:
Olek, J.
Filipek, T.
Powiązania:
https://bibliotekanauki.pl/articles/796212.pdf
Data publikacji:
1998
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
fertilization
manganese fraction
manganese content
acid soil
liming
manure
application
potassium fertilization
nitrogen fertilization
ammonium sulphate
calcium nitrate
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1998, 456
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of soil response on mobilization and immobilization of macro- and microelements
Autorzy:
Tsyganov, A.
Persikova, T.
Powiązania:
https://bibliotekanauki.pl/articles/801662.pdf
Data publikacji:
1998
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
soil response
mobilization
immobilization
macroelement
microelement
fertilizer
mineral fertilizer
application
dose
fertility level
Opis:
The conditions of red clover dressing are defined to a great extent by the fertility of sward-podzolic soils. Having soil with low level of fertility (pH 5.2; P₂O₅ – 110; K₂O – 120 mg/kg of soil) after harvesting cover crop (in the fall) it is necessary to apply P₆₀K₉₀. Top dressing during the phase of budding at the beginning of clover blossom (in spring) is done with microfertilizers containing molybdenum. On soils with average level of fertility (pH 5.7; P₂O₅ – 185; K₂O – 190 mg/kg of soil) after harvesting cover crop it is necessary to apply P₄₀K₆₀ to dress clover. Top dressing during the phase of budding at the beginning of clover blossom is done with microfertilizers containing boron and molybdenum. On soils with high level of fertility (pH 6.2; P₂O₅ – 300; K₂O – 260 mg/kg of soil) after harvesting cover crop it is necessary to apply P₄₀K₆₀. Top dressing during the phase of budding at the beginning of clover blossom is made with microfertilizers containing boron.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1998, 456
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Praktyczne aspekty stosowania herbicydow w uprawie ziemniaka
Autorzy:
Pawinska, M
Powiązania:
https://bibliotekanauki.pl/articles/834916.pdf
Data publikacji:
1998
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
herbicydy
ochrona roslin
ziemniaki
dawki herbicydow
zwalczanie chwastow
terminy stosowania
herbicide
plant protection
potato
herbicide dose
weed control
application term
Źródło:
Ziemniak Polski; 1998, 1; 4-12
1425-4263
Pojawia się w:
Ziemniak Polski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soil acidification and the mobilisation of toxic metals caused by acid deposition and fertiliser application
Autorzy:
Goulding, K.W.T.
Blake, L.
Powiązania:
https://bibliotekanauki.pl/articles/796448.pdf
Data publikacji:
1998
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
soil acidification
mobilization
toxic metal
acid deposition
fertilizer application
long-term measurement
soil analysis
soil chemistry
pH
long-term experiment
Opis:
The Classical and other long-term experiments at Rothamsted Experimental Station illustrate the causes and effects of soil acidification. One hundred and fifty years of precipitation measurements show how atmospheric deposition has increased, causing acidification of grassland and woodland soils. Where applied, ammonium fertilisers cause very rapid acidification unless their effects are offset by the application of lime. Acidification causes the mobilisation and removal by leaching of base cations to be replaced by aluminium, manganese or iron, the reduction of base saturation and, in the long-term, the reduction of cation exchange capacity by the weathering of clay minerals. Mobilised toxic metals are taken up by vegetation growing on the acidified soils. Some plots of the Park Grass Experiment have acidified to sufficiently to cause the release of aluminium to be taken up in hay in amounts toxic to cattle - a Chemical Time Bomb.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1998, 456
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 1086

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