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Wyświetlanie 1-15 z 287
Tytuł:
The Role of Organic Matter in Tropical Soil Productivity
Autorzy:
Adiaha, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/1178311.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Food security
Human urine
Organic matter
Soil fertility
Tropical soils
Opis:
A survey on the role of soil organic matter (SOM) in tropical soil productivity was carried out with the objective of highlighting on the effects and benefits of organic matter on soil biophysical chemical properties and yield of crops in the tropics. It was revealed that tropical soils are inherently low in fertility due to predominance of kaolinitic clays. The soils are low in CEC, OM, available P and base saturation. Inorganic fertilizers are scarce and costly in addition to negative effects on soil causing acidification and induced micronutrients deficiencies. Organic matter contain a wide range of macro and micro nutrients. On mineralization, these nutrients are released, in addition to contributing of organic matter to the soil. This manure also improves physical properties and ultimately increase crop yield on a sustainable basis.
Źródło:
World Scientific News; 2017, 86, 1; 1-66
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Mineral Fertilizer on the Growth of Maize (Zea mays L.) and Soil Fertility Improvement for Food Security, Environmental Development and Sustainable Agriculture
Autorzy:
Adiaha, Monday Sunday
Powiązania:
https://bibliotekanauki.pl/articles/1188098.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Maize growth
NPK mineral fertilizer
Soil fertility
Food security
Environmental development
Opis:
Influence of mineral fertilizer on the growth of maize (Zea mays L.) and soil fertility improvement for food security, environmental development and sustainable agriculture were studied. Five treatments viz: 0, 5, 10, 15, and 20 kg of NPK (15:15:15) mineral fertilizer per hectare (kg ha-1) were used in a Randomized Complete Block Design (RCBD) with three replicates. These treatments were applied once to five week-old seedlings of Zea mays (L.) using ring method. The effects of these treatments on plant height (PH) and number of leaves (NOL) were monitored weekly. Soil samples were taken and analyzed in the laboratory, before and after cropping. The study showed that NPK (15:15:15) mineral fertilizer increased plant height, number of leaves and nutrient (N, P,K, Ca, Na, Mg, Organic matter, Cation Exchange Capacity and pH) content of the soil. The highest (p = 0.05) plant height and number of leaves were obtained from NPK treatment at 20 kg ha-1 which stands significantly (p < 0.05) different over the control. At p < 0.05, there were significant difference among treatments. The use of NPK mineral fertilizer at an application rate between 15 and 20 kg NPK (15:15:15) ha-1 seems effective, responsive and productive for maximum growth of maize (Zea mays L.), for soil fertility improvement, food security, environmental development and for sustainable agricultural production.
Źródło:
World Scientific News; 2016, 56; 189-216
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of Chemical Fertilizers (NPKSZn) and Missing of Major Nutrients (NPK) on Rice Yield
Autorzy:
Alam, Sardar Md Shahriar
Khatun, Macksuma
Islam, Md Shahidul
Chakma, Amitabh Shuva
Powiązania:
https://bibliotekanauki.pl/articles/1839173.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Chemical fertilizer
rice production
chemical properties of soil
soil fertility
soil productivity
Oryza sativa
Opis:
A field experiment was carried out with two varieties of rice (BR 11 and BRRI dhan 31) during Transplanted Aman season of 2018 in K. bearing deep grey terrace soil of Madhupur tract (AEZ 28) under Bangladesh Rice Research Institute (BRRI), Joydebpur. Gazipur. The objective of the study was to know the effect of NPKSZn on the growth and yield of BR 11 and BRRI dhan 31. There were ten treatment combinations with three replications. The treatments were complete (+NPKSZn), reverse complete (-NPKSZn), +N (+PKSZn), -N (+PKSZn), +P (+NKSZn), -P (+NKSZn), +K (+NPSZn) and -K (+NPSZn). The parameters under study were dry matter production, contents and uptake of N, P, K, S and Zn at active and maximum tillering stages, panicle number m’ and grain yield in both the varieties. All the parameters were positively influenced by the treatments under study. Growth and yield of both the varieties were largely affected by the missing nutrient treatment. The highest performance was found with the complete and reverse control treatments whereas the lowest was found with missing element treatments and of course, with control. BR 11 was found to be a better variety than BRRI dhan 31 in respect of yield and yield contributing characters under the treatments. It was also observed that recently fertilized reverse control plot behaved statistically the same as the long term fertilized complete treatment plot. Yield of rice was positively related to K uptake in both the varieties.
Źródło:
World Scientific News; 2021, 162; 133-147
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temporal change of soil chemical properties in the southern forest-steppe of the Ufa region of the Republic of Bashkortostan, Russia
Autorzy:
Asylbaev, Ilgiz
Khabirov, Ilgiz
Khasanov, Ayrat
Gabbasova, Ilysja
Garipov, Timur
Powiązania:
https://bibliotekanauki.pl/articles/947131.pdf
Data publikacji:
2020
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
agrochemical properties
forest-steppe
monitoring
soil fertility
soil maps
Opis:
Modern technologies make it possible to obtain a lot of diverse information about the soil properties using satellite images, but field studies are also required to create or refine digital soil maps. To create a digital soil map scaled 1:25 000 in 2016, a classical field study was conducted with the laying of soil sections in places with the same coordinates as in the mapping of 1982. It allowed to carry out retrospective monitoring of transformation of morphogenetic and agrochemical properties of soils of the southern forest-steppe of the Republic of Bashkortostan (Russia) for the 34-year period of farm use. Thus, the correction and digitization of the soil map allowed to establish that arable land occupies 69.792 ha (67.9%) in the structure of agricultural land (102 811 ha). The monitoring showed deterioration of the main characteristics of arable soil fertility: the diminishing of humus-accumulative horizons, significant decrease of humus content (p ≤ 0.05), a small but reliable acidification of the medium reaction and reducing labile phosphorus. Losses of organic matter occurred mainly in the most fertile soils; their proportion decreased from 55.9% of the total area of agricultural land to 12.4%.
Źródło:
Journal of Water and Land Development; 2020, 44; 8-12
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Womens activity status and fertility in Poland
Aktywność zawodowa kobiet i dzietność w Polsce
Autorzy:
Bagard, M.
Powiązania:
https://bibliotekanauki.pl/articles/38125.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
woman
activity
fertility
employment
birth index
determinant
child
Polska
Opis:
The intention of the analysis is to indicate socioeconomic determinants of fertility for Poland. The analysis is made with respect to the labour market structures, living conditions, gender norms and appreciated values. Logistic regression models of first and second birth order were used, based on the 2006–2010 Polish Labour Force Survey data. Despite registered rebound in TFRs, there is no evidence to prove the Hypothesis of Fertility Positive Turn holds for Poland. Incompatibility of paid-work and childcare points the premises of the positive turn have not been fulfilled yet. Instead, the stability hypothesis seems to have some evidence as models show significant relation of marital status, household status and the labour market situation of the partner to fertility.
Niniejsza analiza ma na celu wskazanie socjoekonomicznych determinant dzietności dla Polski. Analiza uwzględnia wpływ struktur rynku pracy, warunków życia, podziału ról ze względu na płeć i cenionych wartości. Zaprezentowano modele regresji logistycznej urodzeń pierwszego i drugiego dziecka, przygotowane na podstawie danych BAEL za lata 2006–2010. Pomimo zaobserwowanego odbicia w poziomie współczynnika dzietności, nie ma podstaw, by sądzić, że hipoteza o pozytywnym odbiciu współczynnika dzietności (the Hypothesis of Fertility Positive Turn) jest spełniona dla Polski. Trudności w łączeniu pracy zarobkowej i opieki nad dzieckiem wskazują, że przesłanki tej hipotezy nie zostały jeszcze spełnione. Wydaje się natomiast, że hipoteza o stabilizacji (the Stability Hypothesis) lepiej tłumaczy decyzję o urodzeniu i wychowaniu dziecka, jako że modele wskazują na istotną statystycznie relację między dzietnością a stanem cywilnym, faktem zamieszkania w domu rodziców i statusem męża/partnera na rynku pracy.
Źródło:
Acta Scientiarum Polonorum. Oeconomia; 2013, 12, 4
1644-0757
Pojawia się w:
Acta Scientiarum Polonorum. Oeconomia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of the mixture of vermicompost and sulphur-perlite-containing waste on the yield and the quality of crops
Autorzy:
Baikhamurova, Moldir O.
Sainova, Gaukhar A.
Akbasova, Amankul D.
Anarbekova, Gulshat D.
Ozler, Mehmet A.
Powiązania:
https://bibliotekanauki.pl/articles/1844338.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
crops quality
root vegetables
sierozem soil
soil fertility
substrate
sulphur perlite-containing waste
vermicompost
yielding
Opis:
Any type of material that increases soil yield, both qualitatively and quantitatively, to strengthen the soil and increase its fertility is called fertilizer. The current study examines the production of a new effective fertilizer. Results presented involve effects of new bioorganic-mineral compositions obtained from the combination of vermicompost and sulphur-containing waste from sulphuric acid production on the yield and quality of tubers (beets, carrots). An increase in the yield of tubers has been found to be 1.13–1.25 times when the bioorganic-mineral composition (~20 Mg∙ha–1) is introduced into the sierozem (serozem) soil. The best results are obtained with mass ratios in the range 30–45 and 55–70 for vermicompost and sulphur-perlite-containing waste, respectively. The effectiveness of the mixture of vermicompost and sulphur-containing waste is explained by the increased synergistic interaction of these components. The proposed composition has high structure-forming, water-retaining, nutritional and biologically active properties.
Źródło:
Journal of Water and Land Development; 2021, 49; 213-218
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the physico-chemical properties of topsoil in a landslide-affected area (western part of the Transylvanian Basin, Romania)
Autorzy:
Bălc, Ramona
Roba, Carmen
Rosian, Gheorghe
Costin, Dan
Horvath, Csaba
Zglobiu, Octavia Raluca
Chirtos, Diana
Powiązania:
https://bibliotekanauki.pl/articles/2060142.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
soil properties
soil fertility
landslide susceptibility
vegetal composition
Transylvanian Basin
Romania
Opis:
Landslides determine increases and decreases in specific soil compounds which is affecting soil fertility. The recovery of soil fertility is a long process and may be used as an indicator of the landslide age and can contribute to the management plan of the affected area. In order to add to data about soil properties affected by landslides, the current study focuses on a young and shallow landslide from the western part of the Transylvanian Depression. Soil samples were analysed from a physico-chemical point of view (pH, organic matter - OM, total organic carbon - TOC, major cations, and iron content) in two places, at between 0 and 60 cm depth (inside and outside the landslide). The results obtained showed lower values of pH inside the landslide, low values of TOC and rock fragments in both places studied (inside and outside the landslide) and no differences in soil texture between disturbed and undisturbed soil. The ammonium, magnesium and calcium content was higher outside the landslide, the sodium level was slightly higher outside the landslide, while the potassium concentration was higher inside the landslide. This study offers new data regarding recovery of soil fertility and highlights the importance of gaining knowledge on soil properties of relevance to future measures to increase the fertility of agricultural soils.
Źródło:
Geological Quarterly; 2020, 64, 4; 931--941
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przesłanki demograficzne islamofobii w Zachodniej Europie. Analiza krytyczna
Demographic Premises of Islamophobia in Western Europe. Critical Analysis
Autorzy:
Balicki, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1833095.pdf
Data publikacji:
2020-05-14
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
dzietność
muzułmanie
imigranci
religie
islam w Europie
zmiany demograficzne
tożsamość europejska
Muslim fertility
Immigrants
Religions
Islam in Europe
Demographic changes
European identity
Opis:
The European Union, in particular the richest countries, are experiencing a large influx of immigrants from developing countries. This raises concerns about taking jobs or draining the social security system. The biggest fear, of undermining European identity, comes from immigrants from Muslim countries. The main ground of these fears are demographic factors. This article attempts to answer the question of how many immigrants to Europe can be expected from Muslim countries? Can we talk about the ‘flood’ of Islam to Europe? Is it true to say that Muslims have so many children compared to non-Muslims that they are a demographic threat first, and next a political threat to Europe? The article consists of three parts: the first shows the development of Islam in the last century compared to other world religions. The second part concentrates on the religious diversity of the world’s population in the coming decades. The third part, entitled: Immigrants from Muslim countries in the EU, analyzes the influx of Muslims into Europe, fertility rates of Muslims in Europe compared with non-Muslims’ fertility and the age structure of the Muslim population in the EU.
Źródło:
Roczniki Nauk Społecznych; 2014, 42, 2; 11-30
0137-4176
Pojawia się w:
Roczniki Nauk Społecznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New soil improving agents for accelerated cultivation of soils with low fertility or damaged
Autorzy:
Bambalov, N.
Sokolov, G.
Powiązania:
https://bibliotekanauki.pl/articles/26145.pdf
Data publikacji:
1998
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
flood
sapropel
soil improving agent
soil fertility
manure
Europe
peat
Źródło:
International Agrophysics; 1998, 12, 4
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Współczesne wyzwania demografi czne jako determinanty bezpieczeństwa
Contemporary Demographic Challenges as Determinants of Security
Autorzy:
Baranowski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1047476.pdf
Data publikacji:
2017-12-17
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
migration
demographics
transnational
fertility rate
population
migracja
demografi a
transnarodowy
wskaźnik dzietności
populacja
Opis:
Niniejsza praca traktuje o szeroko pojętej tematyce bezpieczeństwa ludnościowego, wskazując na wyzwania, które czekają na reakcję, a z którymi społeczność międzynarodowa zetknie się jeszcze w XXI wieku. Autor wyszczególnia i analizuje takie problemy, jak: globalne zmiany demograficzne, przyrost naturalny w krajach rozwijających się, problemy demograficzne państw rozwiniętych oraz problematykę związaną z migracjami zarobkowymi z państw rozwijających się do państw rozwiniętych. Wśród wykorzystanych źródeł znajduje się szereg raportów instytucji takich jak ONZ czy Bank Światowy, dotyczących kondycji demograficznej różnych regionów świata ze szczególnym uwzględnieniem Afryki i Europy.
The following article discusses spectrum of problems interconnected with demographics and its consequences which are already present and waiting to be addressed by international community. Author presents and discusses global demographic changes, fertility rate in developing countries, demographic issues of rich and highly developed ones and international labour migration. The article is provided with data from UN and World Bank reports, as well as other organisations like Eurostat etc. Geographically, the author is mostly focused on demographical problems of Africa and European Union.
Źródło:
Teologia i moralność; 2017, 12, 1(21); 135-150
1898-2964
2450-4602
Pojawia się w:
Teologia i moralność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of an integrated veterinary herd health program on fertility performance and incidence of reproductive disorders in five dairy herds
Autorzy:
Barański, W.
Nowicki, A.
Zduńczyk, S.
Powiązania:
https://bibliotekanauki.pl/articles/2087102.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
integrated herd health program
high yield
cows
fertility performance
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 3; 433-437
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of repeated low doses of GnRH analogue (buserelin) on fertility performance of dairy cows with anovulation type I
Autorzy:
Barański, W.
Nowicki, A.
Zduńczyk, S.
Polak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/16647577.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
anovulation type I
cows
fertility
repeated doses of GnRH
Opis:
The aim of this study was to evaluate the fertility response of dairy cows with anovulation type I on repeated low doses of GnRH agonist buserelin. The study was conducted on 83 anovulatory and 60 cyclic Polish Holstein Friesian cows. Anovulation type I was defined as small ovaries with follicles of ≤ 5 mm in diameter and without corpus luteum on two examinations in a 7-10 day interval between 50–60 days after parturition. Cows from the experimental group (n=58) received 0.4 μg of buserelin i.m. once a day for 5 consecutive days. Cows from the negative control group (n = 25) received saline. Sixty cyclic cows receiving no treatment served as positive controls. Intervals from calving to estrus and from calving to conception, pregnancy rate 30-35 days and 260 days after AI, and pregnancy loss were calculated. The anovulatory cows had a substantially prolonged calving to conception interval, decreased pregnancy rate and increased pregnancy loss and culling rate compared to cyclic herd mates. The average calving to conception interval was significantly (p<0.05) shorter in treated cows compared to non-treated anovulatory cows (153.7 days vs 209.3 days). In conclusion, repeated low doses of GnRH analogue buserelin led to a significant shortening of calving to conception interval. More clinical trials are needed to determine the practical usefulness of this method for the treatment of anovulation type I in dairy cows.
Źródło:
Polish Journal of Veterinary Sciences; 2023, 26, 2; 223-229
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Soil and Eco-Economic Substantiation of the Need for Switching to the Adaptive-Landscape Systems of Agriculture in the Krasnodar Krai
Autorzy:
Barsukova, Galina Nikolayevna
Bershitskiy, Yuriy Iosifovich
Vlasenko, Valery Petrovich
Bagmut, Alexey Alexandrovich
Rysmyatov, Alexander Zakirovich
Powiązania:
https://bibliotekanauki.pl/articles/123398.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
farming system
soil erosion
humus
fertility
terrain
cropping pattern
crop rotation
eco-economic efficiency
Opis:
The climatic, soil, ecological and economic features of the natural landscapes in the Krasnodar Krai were analyzed. The land structure of cultivated land in Western Ciscaucasia was given; the current state of soils in the Krasnodar Krai was analyzed. The changes in the content of humus in the arable layer over the century were considered. The qualitative state of agricultural lands, such as the susceptibility to erosion, the content of humus, and indicators of the nutrients balance in the soil was shown. A conclusion the existing zonal agriculture systems do not use the landscape diversity of the region was drawn. The need for switching to the adaptive landscape system of agriculture was substantiated. Using the GIS technologies, the boundaries of the natural landscapes in the Krasnodar Krai and the areas of agricultural land was determined by types and the degree of the manifestation of erosion processes. An eco-economic assessment of the field crop rotations adapted to the natural landscape by cultivated lands was made.
Źródło:
Journal of Ecological Engineering; 2020, 21, 4; 94-102
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of single treatment with cloprostenol or dinoprost on estrus and reproductive performance in anestrous dairy cows after service
Autorzy:
Baryczka, A.
Barański, W.
Nowicki, A.
Zduńczyk, S.
Janowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/2087721.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
prostaglandin F2α
silent heat after artificial insemination
fertility
cow
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 2; 383-387
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Troska o zdrowie prokreacyjne w naprotechnologii ─ formą budowania nowej kultury życia ludzkiego
Health care procreation in naprotechnology - form of building a new culture of human life
Autorzy:
Bassa, Bożena
Powiązania:
https://bibliotekanauki.pl/articles/1047538.pdf
Data publikacji:
2018-01-06
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
parenthood
care for fertility
proceative health
NaProTECHNOLOGY
Creighton Model Fertility CareTM System
rodzicielstwo
troska o płodność
zdrowie prokreacyjne
naprotechnologia
Opis:
NaProTECHNOLOGY is a new field of medicine specializing in the promotion of human procreation. Its foundation is a teaching system called the Creighton Model Fertility Care System. It is based on the ability to observe and record biological biomarkers, enabling spouses to recognize and understand the naturally occurring cycle of fertility and infertility. The spouses can use their acquired knowledge both for achiving pregnancy and avoiding pregnancy. The system also enables them to broaden their knowledge to better understand sexuality and deepen their mutual love. It also plays an important role in diagnosing and treating reproductive health according to the natural cycle of women. NaProTECHNOLOGY is involved in building a "new culture of life" through integral concern for human fertility by restoring natural procreation and respecting the principles of responsible parenthood.
Źródło:
Teologia i moralność; 2017, 12, 2(22); 113-126
1898-2964
2450-4602
Pojawia się w:
Teologia i moralność
Dostawca treści:
Biblioteka Nauki
Artykuł
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