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The present field experiment and lab investigations analysed the effect of nitrogen fertilisation at the rates of 0, 80, 160 and 240 kgˇha-1 on the technological root value of the following cultivars Action, Amelia, Atair, Cordelia, Dojana, Evita, Fontana, Gala, Hanna, Jupiter, Nilla, PN Mono 4 Sofie and Sonja. 80 and 160 kgˇha-1 of N resulted in a significant increase...
The paper presents the results of research on soil buffer capacity in Południowopodlaska Lowland ecosystems. The buffer curves were sketched and soil buffer areas measured with planimeter. The data obtained were compared with some soil physical and chemical properties using statistical methods. The greatest acid buffer capacity was observed in highly base-saturated meadow ecosystem soils (VCEB = 82...
The research investigated the seeds of Bardo traditional cultivar, and R-141 self-completing white lupin cultivar. Over 1996-1998, once the seeds reached their physiological maturity, the plants were treated with Harvade 250 SC (dimetiphine), Ethrel (etephon), plant growth regulators and Reglone (diquat), a desiccant. Seeds harvested from plants whose sowing material was vernalised and two-stage harvest...
The research aimed at defining a regenerating effect of stubble intercrop fertilised with cattle slurry and wheat straw on the value of spring barley stand. A strict field experiment, set up as a randomised split-plot design, was carried out over 1996-2000 at the Mochełek Experiment Station, in the Kujawy and Pomorze Province. White mustard, radish, winter rape, sunflower and blue phacelia were sown...
A strict, two-factor field experiment in split-block design with the control was carried out at the Mochełek Experiment Station over 1997-1999. Plants of Teo, traditional yellow lupin cultivar, were treated with varied doses of growth regulators and Ekolist (macro- and micro-nutrient fertiliser) at the beginning of plant flowering. The following growth regulators were applied: auxin indole-3-butritic...
The paper presents the results of 3-year pot experiment, aimed at defining the impact of soil moisture on selected biometric characteristics, dry matter yield and yield quality. The research covered four orchard grass cultivars, Amera, Astera, Bepro, Potomac, different in earliness, cultivated under four field water capacities (80%, 65%, 50% and 35% FWC). Tillering, leaf blade area and dry...
The paper showed the applicability of the PCR method to an early identification of Fusarium avenaceum and Fusarium culmorum in infected tissues of selected crops. The polymerisation chain reaction used species-specific SCAR primers. There was observed a discrepancy between the size of multiplied DNA of Fusarium avenaceum fragment and that of Fa-U17f 5, Fa-U17r earlier described by authors of primers...
The 1999-2001 study investigated the effect of simplified tillage methods on culm base diseases in eight winter wheat cultivars as cereal crop rotations with a yearly cereal cultivation intermission. The disease intensity was more affected by the weather over the growing season than by the tillage methods applied. A decreased rainfall over flowering and draught in June and July of 2000 decreased infection...
The research included a static crop-rotation field experiment set up in 1993: sugar beet winter wheat faba bean winter barley + stubble intercrop and covered the effect of three soil cultivation systems: A ploughing cultivation, B ploughless cultivation, C direct sowing on selected chemical properties of soil sampled from three soil profile layers: 0 10 cm, 10 20 cm and 20 30 cm...
A three-year field experiment investigated the effectiveness of symbiosis between extremely extensively used fodder galega (Galega orientalis Lam.) plants and Rhizobium galegae. A bacterial culture was obtained from root nodule bacteria and applied onto seeds prior to sowing. In summer each year, over the maximal biomass development as well as in autumn the weight of the underground and over-the-ground...
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