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The study of the floristic composition of Nardus stricta grasslands improved through fertilisation, amendment and resowing for 18 years points out a structural change of the vegetal cover compared to the initial state of the floristic composition. During this time interval, the share of Nardus stricta dropped from 40 to 14% in the variants grazed rationally (without treatments), from 40 to 4% in the variant fertilised with NPK and grazed, and from 40% to the total disappearance of the species in the variants fertilised with NPK, amended, and re-sowed. The species Nardus stricta was replaced by high-fodder value species such as Agrostis capillaris, Poa pratensis, and Trifolium repens. [ABSTRACT FROM AUTHOR]

In the conditions of the Banat's Plain (Romania), chicory can be an important fodder crop well adapted to the climate conditions in the area. Research results show that this species is positively influenced by the use of chemical or organic fertilisers. Applying nitrogen fertilisers on a yearly basis at rates of N50-100 lead, in the second vegetation year, to productions higher with 22-34% than in the control variant (no fertilisation). The remnant effect of animal manure was obvious in the second year of application too, when we obtained, at a rate of 40 t/ha, an increase of 26% compared to the control variant. [ABSTRACT FROM AUTHOR]

The nutritive value of the fodder from Nardus stricta grasslands improved through fertilisation, amendment, and resowing was pointed out by some quality indices as ADF, NDF, ADL, DDM, DMO, and DMI. The values of these nutrition indices allowed the determination of a statistic assessment index called relative fodder value (RFV). Depending on the treatments applied, RFV ranged between 109 and 123 in 2011 and between 110 and 115 in 2012. The large number of quality indices assessed allowed the study of the correlation between these indices. [ABSTRACT FROM AUTHOR]

Nitrogen balance in silo maize based fodder systems that also contain some species of fodder legumes (red clover and winter vetch) is positive and it ensures some nitrogen amounts remained in the soil for the crops to follow in the crop rotation. Among the studied fodder systems, we noticed the fodder system Wf (winter fodder) → Sm (silo maize) → Wf (winter fodder) → Sm (silo maize) cultivated successively for two years; in this fodder system, we obtained an extra 40 kg/ha nitrogen in the variant not fertilised with nitrogen and 167 kg/ha in the variant fertilised with nitrogen. [ABSTRACT FROM AUTHOR]

Festuca rubra L. is a good competitive species that makes up the floristic structure of temporary meadows and that are used for grazing or mixed use (haymaking field - grassland) together with Festuca pratensis L., Phleum pratense L., Poa pratense L., Trifolium repens L. and Lotus corniculatus L. The paper aims at pointing out the evolution of the floristic composition of the vegetal cover in different mixtures based on (creeping) red fescue (Festuca rubra L.), Dutch / white clover (Trifolium repens L.) and bird's-foot trefoil (Lotus corniculatus L.). Analysis of mean results concerning the structure of the floristic composition of mixtures based on Festuca rubra L. (60%) shows that in all 9 types of mixtures there was balance between the degree of participation of (creeping) red fescue and the share of the other two legume species studied. In the control variants, in the two simple mixtures, the share of Dutch / white clover was 48% and that of bird's-foot trefoil was 44%. These values decreased, on the average, with 10% when applying a rate of N50 and with 14% when applying a rate of N100. In the complex mixture, there was a mean value of the degree of participation of the two species of legumes of 46% (with a higher share of the bird's-foot trefoil) in the control variant, of 34% in the variant treated with N50 and of 30% in the variant treated with N100. [ABSTRACT FROM AUTHOR]

Foliar fertilisation is part of the conventional fertilisation integrated system in crops. Foliar fertilisers, due to the large number of macro-elements and microelements that make up their chemical composition, play an important role in plant nutrition ensuring high quality yields. This paper presents the differentiated effect of applying foliar fertilisers on alfalfa depending on application time after mowing. [ABSTRACT FROM AUTHOR]