scholarly journals The Usefulness of Mixtures with Festulolium braunii for the Regeneration of Grassland under Progressive Climate Change

Agriculture ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 537
Author(s):  
Teodor Kitczak ◽  
Heidi Jänicke ◽  
Marek Bury ◽  
Ryszard Malinowski

The climate warming and changes in weather patterns in Europe are negatively affecting the structure of grassland swards. The disappearance of valuable forage grasses can be observed. Therefore, in order to keep grassland productivity high, high-yielding grasses of good quality that are resistant to changes in the weather are being sought. At the moment there are few publications which present the long-term influence of changing weather conditions on meadow sward structure and its fodder value. This study aimed to assess the suitability of grass mixtures with Festulolium braunii for grassland renewal by full tillage on organic soil, taking into account atmospheric conditions. The experiments were carried out in the years 2009–2018 on a meadow complex located on organic soil in the Randow river valley, near Ramin (Germany). Grassland restoration was carried out by the method of full cultivation in three experiments with different proportions of Festulolium braunii and Lolium perenne (the existing grassland was eliminated and seeds of a new grass mix were sown). The meadow experiments were established using the method of random blocks in four repetitions Detailed studies included: floristic composition of meadow sward, fresh and dry mass yields, and content of: crude protein, soluble sugars, raw fiber, and net energy NEL (net energy lactation) concentration. Festulolium braunii, Poa pratensis, Dactylis glomerata, and Phleum pratense proved to be more resistant to low temperatures in winter and excess water in spring than Lolium perenne. The largest production potential of fresh and dry mass was found in mixtures with a high content of Festulolium braunii Festulolium braunii tolerates varied and unfavorable weather conditions (frosts during snowless winters, spring frosts and waterlogging, and droughts) very well and provides a stable good quality sward yield (favourably affected the carbohydrate and protein content of the sward). Lolium perenne, on the other hand, decreases its share in the sward under unfavorable weather conditions.

2019 ◽  
Vol 65 (No. 6) ◽  
pp. 307-312 ◽  
Author(s):  
Jadwiga Wyszkowska ◽  
Agata Borowik ◽  
Jan Kucharski

Resistance of common European grasses to diesel oil and petroleum pollution is not well-known. Therefore, this study aimed at determining the level of resistance of selected grasses to pollution by diesel and petroleum using the pot experiment. The achieved results were compared with those determined for grasses grown on the non-polluted soil. Soil pollution with the tested products was found to significantly decrease the yield of all grasses, with the decrease being lower upon soil pollution with petroleum than with diesel oil. The most resistant to the pollution with diesel oil and petroleum were Phleum pratense L., Lolium perenne L. and Lolium × hybridum Hausskn. The degradation of particular groups of polycyclic aromatic hydrocarbons (PAHs) depended on their chemical properties, on the type of pollutant and grass species. The greatest degradation was determined in the case of BTEX, C<sub>6</sub>–C<sub>12</sub> benzines as well as 2- and 3-ring hydrocarbons, whereas the lowest in the case of 5-and 6-ring hydrocarbons and C<sub>12</sub>–C<sub>25</sub> oils. The most useful species in the remediation of soils polluted with diesel oil and petroleum turned out to be: Lolium perenne L., Lolium × hybridum Hausskn and Phleum pratense L., whereas the least useful appeared to be: Festuca rubra, Dactylis glomerata L. and Poa pratensis L.


2011 ◽  
Vol 50 (No. 6) ◽  
pp. 277-282 ◽  
Author(s):  
N. Lemežienė ◽  
J. Kanapeckas ◽  
P. Tarakanovas ◽  
S. Nekrošas

An average dry matter yield structure (three cuts per growing season) in relation to agronomically valuable characteristics of six forage grass species and a year of herbage utilization was studied over the period of 1989&ndash;2002 in Lithuania. The most productive species of the first cut of two years of herbage utilization were Phleum pratense (P &lt; 0.01) and Festulolium hybrids (P &lt; 0.05) (average dry matter yield were 7.42 and 6.66 t/ha, respectively), moderately productive &ndash; Festuca pratensis, Dactylis glomerata and Lolium perenne (5.58, 5.42 and 5.20 t/ha), significantly lower (P &lt; 0.01) yielding was Poa pratensis (4.19 t/ha). During two years of herbage utilization Dactylis glomerata produced significantly (P &lt; 0.01) higher dry matter yield of aftermath &ndash; 7.30 t/ha. Other grass species were ranked in the following order: Festulolium hybrids 5.85 t/ha, Festuca pratensis 4.94 t/ha, Poa pratensis 4.57 t/ha, Lolium perenne 4.48 t/ha, and Phleum pratense 3.92 t/ha. Dactylis glomerata and Poa pratensis distinguished by the highest aftermath percent in the structure of the annual dry matter yield (57.7 and 52.2%). Phleum pratense formed an especially poor aftermath &ndash; only 34.6%. An average annual dry matter yield data analysis of two years of herbage utilization over the period of 1989&ndash;2002 showed that Dactylis glomerata and Festulolium hybrids were most productive (P &lt; 0.01) species.


Agronomy ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 540
Author(s):  
Talea Becker ◽  
Johannes Isselstein ◽  
Rena Jürschik ◽  
Matthias Benke ◽  
Manfred Kayser

In future, grass swards need to be adapted to climate change and interactions of management and site are becoming more important. The persistence of Lolium perenne on peatland or during dry periods is limited and alternative forage species are required. We tested the performance of a modern variety of Festuca arundinacea and Phleum pratense as an alternative to Lolium perenne on clay, peat, and sandy soils. Each of these grasses was sown as main species in mixture with Poa pratensis and Trifolium repens and the mixtures were subjected to different frequencies of defoliation. Differences in yield proportions in the third year were significantly influenced by main species, site and their interaction. Remaining mass proportions of main species after three years were smallest on peat; on all sites Festuca arundinacea showed the highest persistence and largest yield, followed by Lolium perenne. Mass proportions of Phleum pratense were small on peat soils and Phleum had been replaced there by Holcus lanatus, and by Lolium perenne and Poa pratensis on the clay and sandy soils. We conclude that the choice of grass species in mixtures is a management tool to control stability and productivity of grass swards under specific site conditions.


Author(s):  
Pavlína Hakrová ◽  
K. Novotná ◽  
Z. Sýkorová ◽  
M. Šlachta ◽  
J. Frelich

The effect of the combined grazing and cutting management on the phytocenological characteristics was examined at the submountain paddock in the South Bohemia. The botanical scans were sampled during the five-years study (2006–2010) starting after the sowing the pasture sward in the originally arable field and 0–2 years after the beginning of the grazing (paddock A and paddock B, respectively). The paddock A was grazed all year round, whereas the paddock B was grazed in spring and autumn and cut in summer for hay. At both paddocks, Lolium perenne, Trifolium repens and Taraxacum sect. Ruderalia dominated the community of total 43 and 47 species (paddock A and B, respectively). Among the sowing species, Lolium perenne, Festuca pratensis, Poa pratensis, Festuca rubra and Trifolium repens increased its cover on both paddocks, while Phleum pratense increased its cover only at paddock B. Lolium multiflorum decreased it cover at both paddocks. Most of arable field weeds disappeared (paddock A) or decreased its cover (paddock B). The cover of herb layer was higher at paddock A than at paddock B, whereas the number of species (N), the diversity (H) and the equitability (J) was higher at paddock B than at paddock A. The cover of herb layer increased during the study at both the paddocks, while the number of species declined at paddock A and increased at paddock B.


2009 ◽  
Vol 57 (2) ◽  
pp. 119-125
Author(s):  
G. Hadi

The dry matter and moisture contents of the aboveground vegetative organs and kernels of four maize hybrids were studied in Martonvásár at five harvest dates, with four replications per hybrid. The dry matter yield per hectare of the kernels and other plant organs were investigated in order to obtain data on the optimum date of harvest for the purposes of biogas and silage production.It was found that the dry mass of the aboveground vegetative organs, both individually and in total, did not increase after silking. During the last third of the ripening period, however, a significant reduction in the dry matter content was sometimes observed as a function of the length of the vegetation period. The data suggest that, with the exception of extreme weather conditions or an extremely long vegetation period, the maximum dry matter yield could be expected to range from 22–42%, depending on the vegetation period of the variety. The harvest date should be chosen to give a kernel moisture content of above 35% for biogas production and below 35% for silage production. In this phenophase most varieties mature when the stalks are still green, so it is unlikely that transport costs can be reduced by waiting for the vegetative mass to dry.


Author(s):  
A.A. Dronic A.A. ◽  

The article presents an assessment of the stability of introduced cherry varieties to spring return frosts in 2020 in the conditions of the sharply continental climate of the Astrakhan region. As a result of unfavorable weather conditions, the total damage score of all varieties was 2-5 points. Almost all the studied varieties showed an insufficient level of resistance to recurrent frosts.


PEDIATRICS ◽  
1979 ◽  
Vol 63 (6) ◽  
pp. 926-928

Pediatricians may be able to bring the dangers of accidental hypothermia to the attention of their patients at the time of a sports, camp, or college "physical." People who spend time outdoors must learn to recognize hypothermia-producing weather and water; to know that shivering indicates heat loss exceeding available insulation and body heat production; and to understand that loss of good judgment and hand coordination soon follow uncontrollable shivering. They must not go into areas in which, without proper gear, unfavorable weather conditions or dangerous water may develop, and they must understand that most tragedies from cold result from failure to make camp or to return to safety when weather conditions become unfavorable.


1983 ◽  
Vol 144 (3) ◽  
pp. 407-411 ◽  
Author(s):  
James P. Madsen ◽  
Clinton F. Hodges ◽  
Jeffrey L. Nus
Keyword(s):  

Metallurgist ◽  
1987 ◽  
Vol 31 (1-2) ◽  
pp. 33-34
Author(s):  
B. A. Kustov ◽  
N. E. Rekhtin ◽  
V. E. Savel'ev

2012 ◽  
Vol 30 (1) ◽  
pp. 143-150 ◽  
Author(s):  
José Carlos Lopes ◽  
Janaína Mauri ◽  
Adésio Ferreira ◽  
Rodrigo S Alexandre ◽  
Allan R de Freitas

The experiment was conducted in a greenhouse at the Universidade Federal do Espirito Santo, in Alegre, Espirito Santo state, Brazil, to evaluate the broccoli production depending on the seed production system and organic and mineral fertilization. Seeds of the broccoli cultivar Ramoso Piracicaba were originated from lots of seed obtained in an organic and conventional production system. The experimental design was of randomized blocks, with four replications in a factorial arrangement combination of the lots, 2x5 (organic and mineral fertilized seeds) and substrates [S1 (soil + sand + manure), S2 (soil + sand + manure + NPK), S3 (soil + sand + manure + Fertium® 10 g L-1), S4 (soil + sand + manure + Fertium® 30 g L-1) and S5 (soil + sand + manure + Fertium® 50 g L-1]. The analyzed variables were emergency, fresh and dry mass of aerial part, emergency speed and height of seedlings after 28 days of sowing, and plant diameter, leaf area, number of leaves, fresh and dry mass of aerial part, plant height, root volume, fresh and dry root mass, absolute and relative growth rates and increment to leaf area and plant height after 104 days. The emergency was similar in the different substrates; great vigor occurred on conventional seeds; the mineral fertilization increased the production of fresh mass of aerial part; the use of substrate containing soil, sand soil conditioner Fertium (30 to 50 g L-1) increased the volume, fresh and dry mass of roots and rate of increase in these variables.


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