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1

The protection of reservoir water against the eutrophication process

100%
Balcerzak W.
Polish Journal of Environmental Studies
|
2006
|
tom 15
|
nr 6
The article analyzes methods for the protection of reservoir water against the eutrophication process. It dis­cusses methods for protection against point-source, spatial and dispersed pollution, biological methods and the most frequently applied technical methods. It pays special attention to the application of mathematical modelling to predict changes in water quality. A simulation of water quality changes in the Dobczyce Reservoir, expressed by a change in the concentration of chlorophyll "a," was made. Calculations were made for different pollutant concentrations and different temperatures. It was found that temperature had an important impact on the course of the process in surface segments and that pollutant load exerted an influence in subsurface segments. In sedi­ment segments, the factors did not practically affect the course of the eutrophication process.
2
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Schutzbehandlung des Holzes

86%
Dobrowolska E., Niemz P.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2015
|
tom 89
3
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Polyphenol oxidase and lysozyme mediate induction of systemic resistance in tomato, when a bioelicitor is used

72%
Goel N., Paul P. K.
Journal of Plant Protection Research
|
2015
|
tom 55
|
nr 4
Tomato (Solanum lycopersicum L.) is attacked by Pseudomonas syringae pv. tomato causing heavy damage to the crops. The present study focused on the application of aqueous fruit extracts of neem (Azadirachta indica L.) on a single node of aseptically raised tomato plants. Observations were done, and the changes in the activity and isoenzyme profile of polyphenol oxidase (PPO) and lysozyme, both at the site of treatment as well as away from it, were noted. The results demonstrate that neem extract could significantly induce the activities of both the enzymes as well as upregulate the de novo expression of additional PPO isoenzymes. Induction of systemic acquired resistance (SAR) by natural plant extracts is a potent eco-friendly crop protection method.
4
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The consequent influence of crop rotation and six-year-long spring barley monoculture on yields and weed infestation of white mustard and oats

72%
Kwiatkowski C.
Acta Agrobotanica
|
2009
|
tom 62
|
nr 2
The present study was conducted in the years 2007- 2008, after 6-year-long experiments in the cultivation of spring barley in a crop rotation system and in monoculture. The other experimental factor was the spring barley protection method. Intensive protection involved comprehensive treatment of barley (in-crop harrowing, seed dressing, application of herbicides, fungicides, a retardant and an insecticide). Extensive protection consisted only in in-crop harrowing, without the application of crop protection agents, except for seed dressing. The above mentioned factors formed the background for the study on the cultivation of white mustard and oats, as phytosanitary species, in successive years. In the test plants, no mineral fertilization and crop protection were applied. Such agricultural method enabled an objective assessment of the consequent effect of monoculture, crop rotation and crop treatments. A hypothesis was made that the cultivation of the phytosanitary plants in the stand after 6-year-long barley monoculture would allow obtaining the level of yields and weed infestation similar to those of the crop rotation treatments. It was also assumed that the cultivation of white mustard and oats would eliminate differences in plant productivity caused by the negative influence of extensive protection. It was proved that the cultivation of the phytosanitary plants eliminated the negative influence of monoculture on the level of their yields and weed infestation. However, the test plants did not compensate negative consequences of extensive protection. In spite of this, white mustard and oats effectively competed with weeds, and the number and weight of weeds in a crop canopy did not cause a dramatic decline in yields. In the test plant canopy, the following short-lived weeds were predominant: Chenopodium album, Galinsoga parviflora, Echinochloa crus-galli. The absence of herbicide application resulted in the compensation of perennial species: Elymus repens and Cirsium arvense.
5

Study of mycoflora of cancerations of apple shoots in orchards unprotected and chemically protected

72%
Grabowski M.
Phytopathologia Polonica
|
1994
|
tom 07
6
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Evaluation of the effectiveness of lighted blue sticky traps in the monitoring of the occurrence of western flower thrips [Frankliniella occidentalis Pergande]

72%
Gorski R.
Journal of Plant Protection Research
|
2003
|
tom 43
|
nr 1
7
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Fungi colonising od American ginseng plants after the application of mineral mulch and different methods of plant protection

72%
Pastucha A., Kolodziej B.
Acta Scientiarum Polonorum. Hortorum Cultus
|
2007
|
tom 06
|
nr 3
In the years 2004–2006 on American ginseng plantation covered with the mineral mulch Agran, located in Krasnystaw (the Lublin region) there were compared the effects of five methods of plant protection. Each year 5 plants showing disease symptoms were sampled from particular experimental combination in order to perform the mycological analysis. The results of the analysis showed that in particular years of the experiment the quantitative and qualitative composition of pathogenic fungi isolated from the examined ginseng parts was differentiated. There was proved that fungi from the genera of Altenaria, Fusarium, Cylindrocarpon, Phytophthora and Pythium irregulare, Rhizoctonia solani Botrytis cinerea create a considerable danger for the ginseng plants.
8
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Safety at work of the Maintenance Services in enterprises in the wood industry

58%
Pomietlorz-Loska M., Kowaluk G.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2019
|
tom 105
9

Research Institute of Pomology and Floriculture - the latest research and implementation work

58%
Goszczynska D.
Polish Food
|
2007
|
nr 2
10

Evaluation of chemical and mechanical ways for weed control in garden thyme [Thymus vulgaris L.] growing for herbs

58%
Kwiatkowski C.
Herba Polonica
|
2007
|
tom 53
|
nr 3
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