Wyniki wyszukiwania

1

Biological nitrogen fixation with non-legumes: An achievable target or a dogma?

100%

Saikia S. P., Jain V.

Acta Physiologiae Plantarum

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2007

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tom 29

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nr 1 Suppl.

2

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Emissions from the production of chemical fertilisers and fuel consumption in various technologies of energy crops cultivation

100%

Konieczna A., Pasyniuk P.

Acta Agrophysica

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2016

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tom 23

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nr 4

The paper presents the results of a study on the impact of the cultivation of crops which may serve as a substrate for a biogas plant on the atmosphere. Subjects addressed in the study cover a range of issues related to greenhouse gas (GHG) emissions from this area of agricultural activity. The amounts of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) emitted to the atmosphere in the selected cultivation technologies of beet, maize for silage and grasses were calculated. Emissions of GHG from chemical fertiliser production corresponding to the quantities used in the individual technologies were analysed, and amounts of the emitted above-mentioned pollutants originating from diesel fuel used during agricultural treatments conducted with the use of agricultural machinery were calculated. Emission values were expressed in equivalent units – E CO2eq. The study demonstrated that technologies which result in the highest quantities of emission are maize cultivation technologies – the average value for the study crops is 1 428 490.56 g haˉ¹ CO2eq. The lowest level of pollutants in the form of emitted greenhouse gases originates from grass cultivation and its average value is 904 661.28 g haˉ¹ CO2eq.

3

The influence of synthetic fertilizers on seed germination and early growth of Hordeum vulgare L.

84%

Aliloo A. A.

Electronic Journal of Polish Agricultural Universities. Series Agricultural Engineering

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2017

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tom 20

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nr 4

4

Nutritional value and mineral concentrations of sweet basil under organic compared to chemical fertilization

84%

Naiji M., Souri M. K.

Acta Scientiarum Polonorum. Hortorum Cultus

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2018

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tom 17

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nr 2

Safe production of leafy vegetables is more important than other horticultural crops due to their significant contribution in health promotion of consumers. In present study, the growth and nutritional quality of sweet basil plants (Ocimum basilicum L.) were evaluated under some organic compared to chemical NPK fertilizing treatments. A non cultivated soil was used in the experiment, and treatments were arranged in completely randomized design with four replications. Manure in 20 and 40% of pot volume, vermicompost in 20 and 40% of pot volume, biophosphate, NPK fertilizer and a no fertilizing control were applied to plants. The results showed that plant growth and biochemical characteristics were differently affected by organic and chemical fertilization treatments. Vermicompost particularly in 20% of pot volume resulted in highest growth and quality parameters, while the lowest values recorded in 40% manure treatment. The leaf content of ascorbic acid, essential oil, protein and minerals (P, K, Mn, Cu) were highest in 20% vermicompost, whereas leaf content of Mg, Fe and Zn was highest in 40% vermicompost treatment. Leaf nitrate content was significantly reduced in all organic treatments than NPK fertilization. Biophosphate also improved the yield and quality traits compared to unfertilized plants, while manure in both quantities reduced most of the traits (leaf vitamin C, oil yield and protein content) except the content of phenols. This indicates that processing as vermicompost can be a better way of manure application for basil production.

5

Evaluation of yield, yield components and some physiological and qualitative traits of corn affected by chemical and biological nitrogen fertilizers

84%

Kordi S., Ghanbari F.

Acta Scientiarum Polonorum. Hortorum Cultus

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2019

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tom 18

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nr 1

In order to evaluate the yield, yield components and some physiological and qualitative traits of corn treated with nitrogen fertilizers (biological, chemical and integrated), a field experiment was conducted at the Agricultural Research Station of Khorramabad during 2016 growing season. Treatments were arranged in a complete randomized block design with four replications. Experimental treatments consisted of 100% chemical fertilizer (urea), bio-fertilizer (nitroxin), integration of bio-fertilizer + 25% chemical fertilizer, integration of bio-fertilizer + 50% chemical fertilizer, integration of bio-fertilizer + 75% chemical fertilizer and the control. Results showed that the effect of different treatments of fertilizers on all measured traits, except for number of rows in each ear and carotenoids, was significant. The results indicated that integration of bio-fertilizer + 75% chemical fertilizer affected the highest grain yield (9.31 t ha–1), dry biological yield (20.96 t ha–1), number of kernels in each row (41.67), plant height (201.02 cm), hectoliter weight (0.82 g cm–3), chlorophyll b (0.43 mg g–1 FW), total chlorophyll (1.1 mg g–1 FW) and leaf area index (LAI) (4) and there was no significant difference among this treatment and 100% chemical fertilizer (N) and integration of bio-fertilizer + 50% chemical fertilizer treatments in all measured traits. The greatest harvest index (45.8) and grain protein-content (9.1%) resulted from the integration of biofertilizer + 50% chemical fertilizer treatment. Also the highest 1000-grains weight (281.13 g) and chlorophyll a (0.66 mg g–1 FW) were caused by 100% chemical fertilizer (urea) treatments. Results showed that integration of bio-fertilizer + chemical fertilizer could be considered as a means to reduce the consumption of chemical fertilizers for sustainable agriculture.

6

Jak ochronic sie od zatruc srodkami ochrony roslin i nawozami sztucznymi

84%

Wroblewska H.

Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

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1997

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nr 05

14-15

7

Climate change: causes, effects and the need for science education for sustainable development

67%

Nwona H. A.

International Letters of Natural Sciences

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2013

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tom 04

The world we live in has witnessed some drastic environmental imbalance in recent times. These imbalances have threatened sustainable development- which is the ultimate goal of man-environment relationship. This paper reviews the causes and effects of climate change on man and his environment with a view to using science education to solve the problems posed by climate change. Literature shows that climate change results mainly from human activities such as rapid deforestation for agricultural and industrial purposes, carbon dioxide emission from fossil fuel burning, carbon dioxide emission from burning gasoline for transportation, usage of chemical fertilizers on croplands and methane emission from animals, agriculture and arctic sea beds. The consequences of these activities include global warming, ozone layer depletion, greenhouse effect, rising sea level and acid rain. It is recommended here that the whole educational process be re-packaged to emphasize science education as a panacea for sustainable development. The argument here is that the educational institutions are the best media for the inculcation of proper morals and values. It is also recommended that teacher education programmes should allocate more funds to research in, and teaching of science in schools.

8

Greenhouse medium enrichment with composted pig slurry: Effect on the rooting of Pelargonium peltatum Hort. cuttings and development of rhizosphere microflora

67%

Weyman-Kaczmarkowa W., Wojcik-Wojtkowiak D., Politycka B.

Polish Journal of Environmental Studies

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2002

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tom 11

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nr 1

The effect of a 25% addition of composted pig slurry on the rooting of Pelargonium peltatum hort. in agreenhouse medium consisting of perliteand highmoor peat(1:1v/v) has been studied. The purpose of this paper is to define relationships between the rooting process and occurrence of microflora in the media without compost (control) and with the addition of that manure, as well as in the rhizosphere of the rooted plants. The development of whole bacterial communities determined by their biomass size (direct method) and the number of colony forming units (CFU) of actinomycetes and fungi (on selective media) were estimated. The compost added to the greenhouse medium stimulated the rooting of geranium cuttings significantly, increasing their root length by almost 80% and root biomass by over 40%. It also affected a 35% increase in shoot biomass. Except propagative forms of fungi, the medium enrichment with compost simultaneously intensified microflora development, which appeared to be particularly evident in the case of actinomycetes, which belong to bacteria producing phytohormones;the number of these microorganismsin the rhizosphere of plants rooted on the medium with compost was twofold higher than on the medium alone.

Ograniczanie wyników

2 Acta Scientiarum Polonorum. Hortorum Cultus

1 Acta Agrophysica

1 Acta Physiologiae Plantarum

1 Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

1 Electronic Journal of Polish Agricultural Universities. Series Agricultural Engineering

1 International Letters of Natural Sciences

1 Polish Journal of Environmental Studies

1 Aliloo A. A.

1 Ghanbari F.

1 Jain V.

1 Konieczna A.

1 Kordi S.

1 Naiji M.

1 Nwona H. A.

1 Pasyniuk P.

1 Politycka B.

1 Saikia S. P.

1 Souri M. K.

1 Weyman-Kaczmarkowa W.

1 Wojcik-Wojtkowiak D.

1 Wroblewska H.

1 2019

1 2018

1 2017

1 2016

1 2013

1 2007

1 2002

1 1997