Wyniki wyszukiwania - AGRO

1

Triploids in cucumber: V. The effect of the homo- and heterozygous states on some traits of triploids grown in the field and under cover

100%

Sarreb D. A., Mackiewicz H. O., Malepszy S., Bolesta E.

Folia Horticulturae

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2000

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tom 12

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nr 1

2

Experiences in the field of hydraulic earthwork constructions and industrial refuse disposals

88%

Pasztor D., Domjan J.

Zeszyty Naukowe Akademii Rolniczej we Wrocławiu. Melioracja

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1988

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nr 31

3

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Nitrogen fractions and amino acid content in alfalfa and red clover immediately after cutting and after wilting in the field

75%

Purwin C., Fijalkowska M., Pysera B., Lipinski K., Sienkiewicz S., Piwczynski D., Puzio N.

Journal of Elementology

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2014

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tom 19

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nr 3

The aim of this study was to determine the composition of nitrogen fractions in alfalfa and red clover, which differ in proteolytic activity, and to evaluate the effect of wilting on changes in nitrogen fractions in alfalfa and red clover herbage. Total nitrogen was divided into protein and non-protein nitrogen, and the amino acid profile of protein was analyzed. Buffer-soluble nitrogen (BSN), including buffer-soluble protein nitrogen (BSPN) and non-protein buffer-soluble nitrogen (NPBSN), was determined. The NPBSN fraction was further subdivided into peptide nitrogen, amino acid nitrogen, neutral detergent-insoluble nitrogen (NDIN) and acid detergent-insoluble nitrogen (ADIN). Wilting in the field to 40% dry matter content (the swath was tedded once) did not reduce the total nitrogen content of alfalfa and red clover herbage, although it affected the concentration of the BSNfraction, in particular NPBSN, and free amino acid nitrogen. During alfalfa wilting, the soluble protein content decreased and the concentrations of non-protein nitrogen compounds increased, mostly due to an increase in free amino acid nitrogen. A reverse trend was observed during red clover wilting – the concentrations of non-protein nitrogen compounds decreased and soluble protein content increased. A decrease was also noted in peptide nitrogen, NDIN and ADIN. Wilting of alfalfa and red clover had no adverse effect on the amino acid profile of protein. The concentrations of essential amino acids that limit milk protein synthesis, i.e. Lys, Met, His and Arg, did not decrease. Legume wilting in the field contributes to an increase in the concentrations of soluble nitrogen in the plant material intended for ensiling.

4

Distribution of soil water content in cultivated fields based on the measurements by gravimetric and reflectometric methods

75%

Usowicz B., Kossowski J.

Zeszyty Problemowe Postępów Nauk Rolniczych

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1996

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tom 436

The topsoil (1 - 6 cm) water content measured by gravimetric and reflectometric methods (TDR) in fields with different crops (556 pairs of data) were analysed. Mean values of the topsoil water content in the individual fields as measured by means of the TDR method differed from the measurement by the gravimetric method by from 1 to 14 %. Differences in the coefficients of variability were up to 35 %. The correlation coefficient for all the results of the two methods was 0.889 and the mean square error - 2.4 x 10⁻² m³ m⁻³. However, in the case of individual fields the correlation coefficients were lower. It can be gathered from the analyses carried out that the TDR method yielded satisfactory results when the soil water content was higher than 0.17 m³ m⁻³, and the soil bulk density was about 1.35 Mg m⁻³. Spatial distribution of soil water content obtained from the two methods were generally speaking, similar, however significant differences appeared locally as well. In the fields with lower soil bulk density (in average values) and showed higher differentiation, the values of soil water content as measured by the TDR and its spatial differentiation was higher than the one measured by the gravimetric method.

5

The occurrence and distribution of field ecotype of roe-deer in Poland

75%

Kaluzinski J.

Acta Theriologica

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1974

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tom 19

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nr 14-25

6

Evaluation of the effectiveness of different herbicides on weed invasion in the fields of triticale

75%

Ziveh P. S., Mahdavi V.

Journal of Plant Protection Research

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2012

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tom 52

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nr 4

One of the factors limiting crop growth is weeds. The weeds lead to a reduced performance of the crops. Chemical control methods are considered appropriate for controlling weeds. Therefore, in the fight to control weeds in triticale, the performance of the dual-purpose herbicide sulfosulfuron(Apirus®), mesosulfuron + idosulfuron(Atlantis®), metsulfuron methyl+sulfosulfuron(Total®) with surfactant and isoproton + diflufenican(Panther®) from the sulfonylurea group, and narrow leaf herbicides clodinafobpropargyl( Topik®), pinoxaden(New Axial®), diclofop-methyl(Iloxan®), pinoxaden + clodinafob-propagyl (Traxos ®), fenoxaprop-pethyl + mefen-pyper-d-ethyl(PumaSuper®), tralkoksidim(Grasb®) with 1 liter oil, flam-prop-m-isopropyl(Suffix BW®), and control treatment without herbicides were evaluated. The test was carried out in a randomized complete block design with four replications. Spraying was carried out using a back sprayer. For evaluation of ocular damage, the European Weed Research Council (EWRC) standard method was used. According to the performed studies, the narrow leaves of wild oat and barnyard grass were the dominant weeds. Results showed that all herbicide, except the herbicide tralkoksidim, were effective in weed control. The triticale yield was maintained with the use of these herbicides and none of herbicide had an adverse effect on the crop. In the first weeks of herbicide use, the triticale leaves appeared pale but this problem resolved over time. It seems that the herbicides discussed in this paper can be used on the triticale plant.

7

Using crop nitrogen response functions in fertilizer recommendation at field and farm level

75%

ten Berge H., Fotyma E., Cermak P., Bujnovski R., Karklins A., Bos J.

Nawozy i Nawożenie

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2001

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tom 03

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nr 2[07]

8

Analysis of knowledge and consumer preferences in the field of organic food

75%

Janiak E., Orzechowska-Przybyla K., Lesiow T.

Nauki Inżynierskie i Technologie

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2016

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nr 1(20)

The development of organic foods market has been growing significantly in recent years. Polish organic foods market is quickly developing and it is considered as one of the most rapidly growing sections of the food market. The aim of the study was to analyse and assess knowledge and behaviour of chosen group (18-45 age) consumers on the organic foods market. According to the quantitative studies/survey, considerable part of the respondents (79.6%) declare trust into the organic food products. Based on the research results it can be concluded that the major part of the respondents have sufficient knowledge to purchase and consume organic food in a conscious and rational way. However, they declared a will to expand their knowledge in the ecological food field (78.6%). The respondents (81.9%) declared reading product labels and paying attention to the ingredients of the products (43.7%) and less interest to the origin of them (26.2%). For 37.9% of the respondents the most important advantages of the organic food products were beneficial effects on human health and lack of harmful additives. They pointed also at other motives of buying organic food products like taking care of own health, environment aspect and much better quality of such food.

9

Effect of method of agricultural outfit running on the field on soil properties and sugar beet yielding

75%

Bulinski J., Niemczyk H.

Annals of Warsaw Agricultural University. Agriculture

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2001

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nr 41 Agric.Eng.

39-44

10

Epigeic entomofauna of beetles on the join of forest and field

75%

Wegorek W., Trojanowski H.

Prace Naukowe Instytutu Ochrony Roślin

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1989

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tom 31

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nr 2

11

Differences in drought tolerance between cultivars of field bean and field pea. Morphological characteristics, germination and seedling growth

75%

Grzesiak S., Iijima M., Kono Y., Yamauchi A.

Acta Physiologiae Plantarum

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1997

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tom 19

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nr 3

Different responses among legume species were observed, but the morphological and physiological differences that confer drought resistance or susceptibility are not well explained. The objective of this study was the determination of variation of morphological characteristics within 7 field bean and 4 field pea cultivars as related to drought tolerance. Also differences in the effect of drought on seed germination and seedling growth in 2 field bean and 2 field pea cultivars of different drought tolerances were investigated. The examined cultivars were characterized by variation of certain morphological characteristics regarded as xeromorphic features associated with the ability of plant to survive under drought. The drought resistant cultivars (field bean Gobo and field pea Solara) in comparison with the sensitive ones (field bean Victor and field pea Bareness) were characterized by more favourable relations between the size of the above—ground parts and the size of root, as well as the frequency and size of stomata. Moreover, in the resistant cultivars there was observed, a smaller influence of simulated drought (ψ=−0.6 MPa) on the increase of dry matter of the above-ground parts and of the roots. Also there was smaller influence on the height of seedlings and on the length of lateral roots. The correlation coefficients between the measured characteristics and the values of the drought susceptibility index (DSI) were in most cases statistically not significant, although, on the whole, they were very high. This may be an indication of a relatively high participation of the measured characteristics in the total variation of the drought tolerance in the cultivars. In cultivars regarded as belonging to the group of sensitive ones, a more disadvantageous effect of simulated drought (ψ=−0.6 MPa) on seed germination was observed, especially in the determination of the promptness index (PI).

12

The flowering pattern of Arnica montana L. and A. chamissonis Less. under field cultivation conditions with successive flower head collection

75%

Sugier D.

Acta Agrobotanica

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2007

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tom 60

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nr 2

The research on the flowering of Arnica montana L. and A. chamissonis Less, was carried out in the years 2005-2006 on two- and three-year plantations on grey-brown podsolic soil with the granulometric composition of heavy clay sand. The aim of the work was to determine the pattern and length of flowering of two- and three-year-old plants under field cultivation conditions with successive flower head collection. The flowering of Arnica montana in both years of study lasted 26 days (from the 28th of May to the 22nd of June). In this period, eight collections of flower heads were made. When analyzing the number of inflorescences gathered during particular collections, it was concluded that at the initial stage of flowering it was not great, but it successively increased with the passage of time up to the seventh collection. The pattern of flowering of the two- and three-year-old Arnica montana plants was similar. The inflorescences of Arnica chamissonis were collected six times, and the most abundant flowering was found in the middle period of this stage, which lasted 20 days.

13

Transgenic F1 hybrids harboring a defective viral replicase exhibit high resistance to CMV in the field

75%

Gal-On A., Wolf D., Pilowski M., Zelcer A.

Acta Physiologiae Plantarum

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2000

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tom 22

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nr 2

14

Differences in drought tolerance between cultivars of field bean and field pea. A comparison of drought-resistant and drought-sensitive cultivars

75%

Grzesiak S., Iijima M., Kono Y., Yamauchi A.

Acta Physiologiae Plantarum

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1997

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tom 19

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nr 3

Relatively little research has been conducted to determine different responses to drought among cultivars of the legume species. The objective of this study was to identify differences in seedlings growth, water relations and leaf conductances resulting from drought imposed on two field bean and two field pea cultivars that had been observed to differ in their drought tolerances, and special emphasis was placed on the root system development. Distinct differences between resistant and sensitive cultivars of field bean and field pea became evident in measurements of the characteristics of the lateral root. The drought treatment induced statistically significant decrease in the number of the developed laterals, their total length and dry matter. In the drought resistant cultivars (field bean Gobo and field pea Solara) this reduction was smaller in comparison with sensitive ones (field bean Victor and field pea Bareness). The effect of drought on growth of tap root in the drought resistant and drought sensitive cultivars was smaller and statistically not significant. The results showed that drought resistant cultivars when compared with drought sensitive one would demonstrate less abundance in the above-ground part and greater dimensions of the root system. The measurements of leaf water potential and stomata diffusive resistance measurements indicate that the physiological reasons for the different reactions to drought between the resistant and the sensitive field bean and field pea cultivars may be due to a more effective protection of the level of tissue hydration and due to increase stomata diffusive resistance in the resistant cultivars. During recovery period it has been also demonstrated that in the drought resistant cultivars a tendency exists for a more complete return to the level of the control plants.

15

Influence of various antioxidant factors on the induction and vitality of callus of field bean [Vicia faba ssp.minor]

75%

Skrzypek E., Dubert F.

Acta Physiologiae Plantarum

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1997

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tom 19

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nr 2

16

An attempt at assessment of abundance of Helix pomatia L. in the field

63%

Kalinowski T., Jankowiak A., Rybska E., Napierala A., Bloszyk J.

Folia Malacologica

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2012

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tom 20

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nr 1

17

Characteristics of the particulate matter PM10 concentration field and an attempt to determine the sources of air pollution in the living district of Ursynow

63%

Majewski G., Przewozniczuk W.

Annals of Warsaw Agricultural University - SGGW. Land Reclamation

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2006

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nr 37

55-67

18

Characteristics of the flora of fallow lands on rendzina soils on the Twardowice Plateau (Silesian Upland)

63%

Babczynska-Sendek B., Blonska A., Hejdysz J.

Acta Agrobotanica

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2012

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tom 65

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nr 4

19

The effect of benzyladenine on the flowering of Campanula persicifolia L."Alba"cultivated in an unheated plastic tunnel and in the field

63%

Pogroszewska E., Sadkowska P.

Acta Scientiarum Polonorum. Hortorum Cultus

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2008

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tom 07

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nr 3

The effect of BA on the flowering of Campanula persicifolia L. ‘Alba’ cultivated in an unheated plastic tunnel and in the field was examined. BA in the concentration of 100, 200, 400 mg∙dm⁻³ was applied on the leaf twice in both years of the experiment duration. Plants not treated with benzyladenine were used as a control. It was concluded, that cultivation of Campanula persicifolia L. ‘Alba’ in an unheated plastic tunnel causes growth of fewer inflorescence stems but of better quality than in the field. Application of benzyladenine in the concentration of 400 mg∙dm⁻³ in Campanula persicifolia L. cultivation in an unheated plastic tunnel results in an increased fresh weight of inflorescence stems and number of primary side stems. Application of benzyladenine in the concentration of 400 mg∙dm⁻³ is recommended for Campanula persicifolia L. cultivated in the field due to better branching in the first and second year of flowering. Application of benzyladenine in the concentration of 200 and 400 mg∙dm⁻³ on the leaf of Campanula persicifolia L. cultivated in the tunnel leads to the production of shorter inflorescence stems in the first and second year of flowering. In the field, only the older plants (in the second year of flowering) react similarly.

20

Contribution to the knowledge of darkling beetles (Coleoptera: Tenebrionidae) from the cotton fields of Iran

63%

Bunalski M., Samin N., Ghahari H.

Wiadomości Entomologiczne

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2014

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tom 33

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nr 2

The fauna of Tenebrionidae (Coleoptera) from the cotton fields of some regions of Iran is studied. In total 24 species of 21 genera including Adelostoma DUPONCHEL, Amnodeis MILLER, Haemerophygus BAUDI, Pachyscelis SOLIER, Pimelia FABRICIUS, Stenosis HERBST, Dailognatha ESCHSCHOLTZ, Tentyria LATREILLE, Dendarus DEJEAN, Gonocephalum SOLIER, Opatrum FABRICIUS, Cabirutus STRAND, Pedinus LATREILLE, Alphitobius STEPHENS, Blaps FABRICIUS, Entomogonus SOLIER, Odocnemis ALLARD, Nalassus MULSANT, Pseudoprobaticus NABOZHENKO, Raibosceles ALLARD and Tenebrio LINNAEUS, and 3 subfamilies (Pimeliinae, Opatrinae and Tenebrioninae) were collected. Nine species were recorded for the first time in Iran.

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