Search
Search Results
-
A hasznosítási gyakoriság és az időjárás hatása száraz és üde fekvésű gyepek takarmány-minőségére
43-47Views:91Irrigating pastures is a viable option only in a few selected areas in Hungary, even though pasture is a water demanding culture. Species composition will be impacted by the climate change, reduced winter and spring precipitation and the increasing number of hot days as well as the rise in temperature. Coverage by dicots and C4 grasses will increase, resulting in a change in feed quality. Yield losses and deteriorating quality should be compensated by an adaptive agricultural technology. We examined the impacts of 3 utilization technologies and seasonal weather conditions on dry and mesic pastures in the years 2006-2010. Results indicated a significant difference in feed quality and factors determining nutrient content caused by water supply. On the dry pasture, humidity had a significant and substantial negative impact (highest significance, highest r-value) whereas the mesic pasture was essentially affected by precipitation. On the mesic pasture, high temperatures, strong radiation and high amounts of precipitation all had negative impacts on the digestibility and metabolisable energy content of grass. Crude protein contents showed strong correlation only with annual precipitation.
-
Domestic water buffalo (Bubalus bubalis) grazing as a habitat management and application option against invasive species
47-53Views:115In nature conservation, the aggressive expansion of invasive plant species and the preservation of valuable grasslands are a global problem. Based on this, the following question can be formulated: which animal species and breeds are suitable for habitat management? Is the water buffalo suitable for lawn care and to what extent? With the overview work, we review the results so far, highlighting domestic areas where we already have preliminary results and where previous data have already been produced. Based on this, the invasive Solidago was completely suppressed in the marshes of the Zámolyi basin, the pasture was completely transformed, and the dominant species became Sesleria uliginosa. Also in the area of the Zámolyi basin, there were significant floristic and physiognomic differences in the vegetation. You may find that buffalo grazing is a suitable habitat management method in both dry grassland and wet grassland. Therefore, in addition to being effective in the control of Solidago gigantea, grazing with buffaloes is successful both in terms of nature conservation and grassland vegetation from an economic point of view. The first stage of the long-term planned work is an overview of the work on the water buffalo. The research is supported by the creation of Innovation operational groups and the investment necessary for the implementation of the innovative project. call for tenders (VP3-16.1.1-4.1.5-4.2.1-4.2.2-8.1.1-8.2.1-8.3.1-8.5.1-8.5.2-8.6.1-17) and the Innovation and the New National Excellence Program of the Ministry of Technology code number ÚNKP-22-3-I-MATE/2 was supported by the grant funded by the National Research, Development and Innovation Fund and grant AKGF-119-1-202.
-
Botanical and grassland investigations in a pasture grazed by Hungarian grey catte in Badacsonytördemic in 2008
73-78Views:62Sample areas can be found in the Tapolcai Basins. Phytosociological samples were collected: 32 ha grassland stand with low intensity grazing (under-grazed pasture), 38 ha overgrazed pasture, 34 ha meadow (hayfield) and the stand where animals drank. The areas were suitable for following up the changes of vegetation and production during the grazing season of the year. 5 replicates of 2×2 m phytosociological samples plots were examined on each grasslands according to the Braun- Blanquet method (1964) in April, May, June, August and September 2008. 118 Hungarian Grey Cattle were grazed on the pastures. 14 species were common in each saple areas, wich are dominant species of natural grassland associations (Agrostis stolonifera, Festuca arundinacea, Deschampsia aespitose) in the region. The overgrazed pasture had only low nutritive value and contained high number of weed species. About one month per year grazing time in the undergrazed area was not enough to achieve a better state of species diversity, although the forage production of the area remained high. The number of species and the 32 ha grassland was high (58) weeds was due to the high number of weeds, however the nutritive value of this grassland was poor. The species number of the hayfield was lower (31) than and grassland, however species composition was better and the nutritive was higher. It seemed that management was suitable and the hayfield.
-
Economic aspects of grasslands
73-82Views:71There are several products can be originated from the grass-land but their economic value in some cases are uncertain. The article shows the social benefits of the grass-land products answering the same time for the question: what the value is of the product in practice and how can it be determined. There are considered the market and non-market type of product of the grass-land and a new category is introduced; the animal keeping value of the grass.
-
EGF 2024 – 30th General Meeting of the European Grassland Federation
43-45Views:7Harmincadik alkalommal került megrendezésre az Európai Gyepgazdálkodási Szövetség (European Grassland Federation) nemzetközi konferenciája (30th General Meeting of the European Grassland Federation), 2024. június 9-13. között, ezúttal a hollandiai Leeuwarden-ben.
Idén a rendezvény szervezői a gyepek általános szerepére, fontosságára és ökoszisztéma szolgáltatásaira helyezték a hangsúlyt (Why Grasslands?). A résztvevők arra keresték a választ, hogy milyen jövő előtt áll a legeltetéses állattartás, illetve milyen egyéb szerepe lehet még a gyepeknek Európában.
A szakmai program a legeltetéses állattartással érintett résztvevők műhelymunkájával (Grazing Workshop) indult a konferenciát megelőző napon, amely öt fő területre fókuszált:- Állategészségügy, állatjóllét
- Ráfordítás csökkentés
- Szennyezés ill. kibocsátás csökkentés
- Biodiverzitás megőrzése
- Biodiverzitás növelése
-
Botanical investigation of goats pastures on natural and replanted grasslands
49-51Views:91There are new challenges for global agriculture due to the changing circumstances in natural and economical world. Many professionals mentioned that our current agricultural methods not suitable to produce proper amount and quality foods. We have to change from the conventional farming to a sustainable agriculture to reach a well performing global agriculture what consist local viable agro systems. The organic farming as one type of sustainable agriculture, is a developing sector where the market and economical competition is growing. There is an opportunity to produce high quality food without additives in Hungary based on the climate, good quality soil as well traditional plant and animal species. The hungarian government set better balance between animal husbandry and arable farming as target and focusing on family farming and organic farming.
-
Habitat management on agrar-landscape, with special regard to grassland management: Papers presented at the „Timely questions in grassland and game management” scientific conference (Hungarian Academy of Sciences – Kaposvár University, 18-19 May 2006)
13-24Views:111The invariably unfavorable agrarian environment can be neutralized only through a change paradigm change. This would mean the adoption of the practice of "wise use”, which implies the introduction of small game management supported with habitat management. Habitat management concerns 5-10% of the areas and predator management/control according to need result also in the increase of the target species; in this case, small game populations, by increasing the diversity of the habitat structure. The preservation of grasslands, their small game-friendly management, and the development and maintenance of a durable, undisturbed grassland structure primarily in the habitat margins play an essential role in this work.
-
Verges as fragments of loess grasslands near Kondoros
43-47Views:38Loess vegetations of the Carpathian Basin have been ploughed for a thousand years. Therefore, in Hungary, it is also important to find out the composition of loess vegetation. Therefore, loess steppes of verges of the Transdanubia have nearly disappeared.
The extent of the loess bedrock and its vegetation were significant in the Pannonian area, but nowadays (Zólyomi, 1936, 1958; Zólyomi et al., 1997), they have been left in only fragments, mainly because of intensive agricultural activities and expansion of agricultural areas (Rákóczi and Barczi, 2014; Barczi et al., 2004a, b; Penksza et al., 2011; Deák et al., 2016a; Valkó et al., 2018). Therefore, the patches are very important, extending mainly over the central plain of the Pannonian area, but also spreading up to the foothills (Bíró et al., 2018; Penksza et al., 1994, 1996). Thus, several researchers have investigated these remnant vegetation patches in the central Carpathian Basin, Szerényi and Kalapos (2000), Csontos and Tamás (2007), Csontos et al., (2022). However, most of the studies were made in the Great Hungarian Plain, where the role of the Cumanian mounds was also significant from among the remnants. These patches of loess remnants are considered as hot spots for vegetation (Deák et al., 2016b, 2022; Dembicz et al., 2018, 2020). In addition, verges alongsideagricultural areas and roads, where the vegetation has been reduced, are also very important as relics of the former vegetation (Csathó, 2008, 2011; Szentes et al., 2022; Bajor et al., 2016). -
The effect of fertilization on the mineral contant of artificial grasslands 3.
57-66Views:67The effects of different N, P and K supply levels and their combinations were examined on the mineral element content of an established all-grass sward with seed mixture of eight grass species in the 28th year of a long term fertilization field experiment set up on a calcareous chernozem loamy soil. The lay-out and method of the trial as well as the fertilizer responses on the hay yield were published elsewhere (Kádár 2004). The effect of fertilization on the nutritional values and nutrient yield also described earlier (Kádár and Győri, 2005). The soil of the growing site contained around 3% humus, 5% CaCO3, 20-22% clay in the ploughed layer and was originally, moderately well supplied with available K, Mg, Mn and Cu and poorly supplied with P and Zn. The trial included 4Nx4Px4K=64 treatments in 2 replications, giving a total of 128 plots. The fertilizers applied were Ca-ammonium nitrate, superphosphate and potassium chloride. The groundwater table was at a depth of 13-15 m, the area was prone to drought. In 2001, however the area had a satisfactory amount of 621mm precipitation with a fairly good distribution. The grass was established on 21. September 2000. The main results and conclusions can be summarised as follows:
1. As a function of N-fertilization the element content of the 1st cut hay usually increased, except for Al and Mo, which showed dilution effects. The concentration of K, Ca, Mg, Mn, P, Sr, B, Ni enhanced with 25-50%, S and Co with 60-70%, N and Cu 2-times, NO3-N and Na about 5-times compared to the N-control. The P-fertilization stimulated uptake of Mn and Mg for 10-20%; S, NO3-N and Co for 40-50%, Na and for Sr 60-70%, P for 90%, however, inhibited the uptake of Zn and Co for 20-40%, Al and Fe for 50-60%, Mo for 70% compared to the P-control.
2. The P/Zn ratio showed on P-control soil optimal values of 118, while on highly P-supplied soil 278 P/Zn ratio, so indicating Zn-deficiency. As a function of PxK negative interactions, concentration of Fe dropped from 307 to 105 Al from 206 to 60, Mo from 0.44 to 0.05, Cr from 0.33 to 0.12 mg/kg in air-dry hay. The Cu/Mo ration on N-control soil showed the optimal value of approx. 10, while on heavily fertilized with N soil that of 40-80, indicating extreme Mo-deficiency.
3. The 2nd cut hay contained about 20% more N, K, Ca, Mg, Na, 40% more Cu, 70-80% more S and Mn, 90% more Fe and P, 140% more Al and nearly 5-times more Mo. The content of B did not changed, while NO3-N dropped about 40% . The Cu/Mo ratio showed value of 2.6 on N-control soil, while on heavily fertilized with N soil ratio of 7.8. The P/Zn ratio indicated on P-control soil optimal value of 150, while on overfertilized with P soil value of 269. So, the P-induced Zn-deficiency could also be proven in the 2nd cut hay, while the Cu-induced Mo-deficiency disappered.
4. The N-fertilization stimulated in the 2nd cut hay also the accumulation of elements N, K, Mg, P, Mn, Cu and Ni with 20-50% compared to the N-control. The NO3-N increased 4-times, while Na content 10-times. However the elements Fe, Al, B, Mo and Cr showed a dilution effect with 20-60%. The P-fertilization increased the concentration of Mn, Sr, Cd, Co, S and P, while decreased the content of Na, NO3-N, Cu and Zn. As a general rule, the K-fertilization hindered the accumulation of metal cations. The P-induced Cd accumulation was fully counterbalanced by increasing K-supply of soil.
5. Summarizing above we can state that the long-term fertilization can drastically (in some cases with an order of magnitude) change the concentrations and ratios of elements built in hay through synergetic or antagonistic effects. In the 1st cut hay, for example, the minima-maxima contents of measured elements varied in air-dry hay as follows: N 0.90-3.02, Ca 0.4-0.7, S 0.14-0.32, P 0.12-0.30, Mg 0.10-0.24%; Na 70-700, Fe 100-288, Al 45-250, Mn 71-130, Sr 10-22, Zn 7-14, Ba 6-11, B 3.6-8.1, Ni 0.3-1.6, Cr 0.1-0.4, Mo 0.04-0.44, Co 0.04-0.12 mg/kg. -
The role of haphazardly executed conservation treatments in the preservation of botanical values on the shore of Lake Balaton
21-23Views:75Most semi-natural habitats in Europe have been traditionally maintained by grazing or mowing, which halted successional changes and preserved biodiversity on a higher level. Since the 1950s the large-scale mechanisation of agriculture resulted in expansion of cropland and the abandonment of grasslands became an increasing issue in Europe. Recognizing the negative consequences of abandonment in the diversity of wildlife, habitat reconstruction interventions for mainly nature conservation purposes began in the 1980s to preserve the biodiversity of these semi-natural habitats.
-
Possibilities of speciation following anthropogenous environmental changes in the central sandy area of the Carpathian Basin through the example of Festuca taxa
47-48Views:100Our goal is to check and revise the dominant Festuca species of vegetation types formed under extraordinary conditions through morphotaxonomic and ploidy analyses. To accomplish this, we had to add examinations of dominant species in grasslands further from the Danube in the Carpathian Basin and East Central Europe. Individuals of examined taxa were analysed using 26 parameters of the inflorescences. Ploidy was analysed using low cytometry. After deforestation and shrubcutting, bare soil patches of areas exposed to anthropogenous effects had provided an opportunity new vegetation to form. As a result of this work, new species Festuca pseudovaginata had been discovered here, which is endemic in the Carpathian Basin. Survey continues in order to clear other hardly identificable taxa. The results have confirmed the presence of the species, but we also have new occurences discovered.
-
Természetvédelmi és gyepgazdálkodási vizsgálatok a Dinnyési-Fertő gyepeiben
31-38Views:94The present study includes coenological results of the effects of grazing with Hungarian grey cattle in saline grasslands in Dinnyési Fertő Nature Conservation Area. This kind of managment is favourable for the grazing and trampling tolerant grass species and decreases the proportion of the dicots.The classification of species based on the social behaviour types of Borhidi shows the spreading of the ruderal competitor species, mainly Cynodon dactylon with the progress of the grazing season. Grazing prefential from a bird conservation aspect increases the number of species, however, it modifies the mass relations between species in a negative way.
-
Sandy grasslands regeneration results of the conservation management on the Homoktövis Conservation Area in Budapest (2009 2021)
33-35Views:128In Budapest, despite the density of the population, precious plant communities still remain in a lot of, mostly isolated fragments of habitats which,are outstanding in the diversity of species and are rare inhabitants of endemic species. On the examined territory, since 2006 long term reconstructions of the habitats have been ongoing which strive for the decrease of the invasive woody species on the territory and the insurance of the habitat of the sandy lawn, as well as the long term conservation of the fragments of the lawn and the creation of the natural sandy lawn. This activity is conducted by the volunteers of the MME and with the help of the students of educational institutions in parallel requesting for the permits of the Municipality of the Capital. During these interventions, the shoots were mechanically beat down and they were wiped dried as well. Besides these interventions, it was fundamental to preserve the sensitive, rare or legally protected species and to increase their volume as much as possible.
-
The effect of fertilization on the feeding value and nutrient yield of artificial grasslands 2.
46-56Views:62The effect of different N, P and K supply levels and their combinations on the nutritional values and nutrient yield of an established all-grass sward were examined in 28th year of a long-term fertilization field experiment set up on a calcareous chernozem loamy soil. The fertilizer responses on the development, hay yield and N-uptake were published elsewhere (Kádár, 1994). The soil of the growing site contained around 3% humus, 5% CaCO3, 20-22% clay in the ploughed layer and was originally moderately well supplied with available K, Mg, Mn and Cu and poorly supplied with P and Zn. The trial included 4Nx4Px4K=64 treatments in 2 replications, giving a total of 128 plots. The fertilizers applied were Ca-ammonium nitrate, superphosphate and potassium chloride. The groundwater table was at a depth of 13-15 m and the area was prone to drought. In 2001, however, the area had a satisfactory amount of 621 mm precipitation with fairly good distribution. The grass was established on 21. September 2000. The main results and conclusions can be summarised as follows:
1. While the grass herbage yield was determined by the NxP supply levels, the nutritional values were influenced by the NxK interactions. As a function of NxK treatments, the N-free extract decreased from 532 g/kg (control) to 390 g/kg (N3K3), Crude-protein increased on the same plots from 64 g/kg to 183 g/kg, so the ratio of N-free extract/Crude-protein tightened from 8.3 to 2.1. Compared to the unfertilized control, the Crude-ash enhanced with 26%, while the N-dependent Metabolic Protein (MFN) with 286% on the N3K3 levels.
2. The maximum nutrient yields were measured at the first cut on the 100 kg/ha/yr N-treatment with 150 mg/kg ammoniumlactate soluble P-supply soils for Crude-fibre, Neutral and Acid Detergent Fibres (NDF, ADF) N-free extract, Crude-ash and Nettoenergy (NE) parameters. The Crude-fat and the Energy Dependent Protein (MFE) yields gave maximum surpluses using 200 kg/ha/yr N-rate with high level of 333 mg/kg AL-P2O5 supply in plow-layer. Highest crude-protein and the N-dependent Metabolic Protein (MFN) yields were connected, however, to the highest N3P3 levels, where the yield increased 5-times compared to the control.
3. At the 2nd cut, both the nutritional values and the nutrient yields changed only as a function of N-supply. Maximum nutrient yields were obtain generally at the 300 kg/ha/yr treatment. Assessing the 1st and 2nd cuts together, the 200 kg/ha/yr treatment seemed to be the best fertilization practice. Among the different NPK treatments developed extreme differences. The unfertilized for 28 years plots (N0P0K0 ) gave small nutrient yields. The moderate N-fertilization alone (N1P0K0) enhanced the yields 2-3 times. The moderate balanced fertilization (N1P1K1) gave further dramatic surpluses. The N-dependent Crude-protein and the protein fractions (MFE, MFN) as well as the Crude-fat yielded maxima values at the highest (N3P3K3) treatment.
4. Summarizing above, we can state that the satisfactory or abundant fertilization on such soil poor in NPK and in a favourable year can increase the Crude-fibre, the fiber fractions (NDF, ADF), N-free extract, Crude-ash, Crude-fat and Nettoenergy (NE) yields 3-5 times, while the N-dependent Crude-protein and protein-fractions (MFE, MFN) even 7-8-times. -
Conservation survey of horse pastures and hayfields in an equestrian centre near Sukoro
37-46Views:40The test was carried out in Sukoró, on the lawns of the Sukoró Equestrian Center in May 2023. The purpose of the survey was to present the natural state and economic value of grasslands with different uses. The ceenological surveys were carried out using the Braun-Blanquet method, during which we recorded the data using 2x2 meter squares and gave the cover values in %. The squares were placed randomly in the given areas. During the survey, we analyzed five sample areas in three units. Our sample area I. is degraded fresh grassland, which was a horse pasture that was overgrazed in 2023, II. the sample area was a meadow dominated by sedge, which is utilized by mowing. The III. the sample area is Siki lawn dominated by Festuca pseudovina, which was also mowed. The IV. the deepest part of the mowing area, marsh meadow-fen, which is also used as a mowing area. Sample area V is silicate rock grassland, which is also grazed by horses, but was left alone in 2023.
With the exception of sample area I, which was intensively grazed in 2023, and therefore overgrazed by trampling, based on the tests, the natural state of the lawns remained valuable even after treatments, mowing and grazing. In the lawns, the largest proportion of elements of the native flora can be found. In the deeper spot on the mowing field, bog elements and the protected species Anacampts pyramidalis also appeared. A protected species, Allium sphaerocephalon, also occurred in the silicate rock lawn. The lawn management methods carried out by the riding center are suitable for maintaining the area's vegetation in a close-to-nature and long-term manner.
-
Methods for calculating GHG emissions from grassland based livestock farming
35-39Views:98Understanding global climate change and finding ways to curb it is one of the greatest scientific challenges of our time, a number of studies examining the climatic effects of agriculture, including animal husbandry. Analyzing the most common methods of studying the climatic effects of animal husbandry, we can say that each method has its own shortcomings, their practical application is often difficult, and their results can be contradictory. In articles examining CO2 emissions from grasslands, we often come across results that contradict basic in-kind observations. In my opinion, it is worthwhile to define exactly what is meant by animal husbandry in the research on the topic, as there is no uniform conceptual definition, and in the future it would be expedient to develop a method for calculating GHG emissions from small livestock farms.
-
The effect of fertilization on the yield and N uptake of artificial grasslands 1.
36-45Views:59The effects of different N, P and K supply levels and their combinations on the development, yield and N-uptake of an established all-grass sward were examined in the 28th year of a long-term fertilization experiment set up on a calcareous chernozem soil. The soil of the growing site contained around 3% humus, 5% CaCO3, 20-22% clay in the ploughed layer and was originally moderately well supplied with available K, Mg, Mn and Cu and poorly supplied with P and Zn. The trial included 4Nx4Px4K=64 treatments in 2 replications, giving a total of 128 plots. The fertilizers applied were Ca-ammonium nitrate, super phosphate and potassium chloride. The groundwater table was at a depth of 13-15 m and the area was prone to drought. In 2001, however, the area had a satisfactory amount of 621 mm precipitation with a fairly good distribution. The grass was established on 21. September 2000. The main results and conclusions can be summarised as follows:
1. Grass herbage had a very favourable wet year in 2001 with over 700 mm rainfall during the total vegetation period. The hay yield of unfertilised control plots was by the 1st cut 1.7 t/ha, by the 2nd cut 1.2 t/ha, while the N3P3K3 treatment gave 8.8 t/ha and 4.2 t/ha resp., so NPK fertilization increased the air-dried hay yield from 3 t/ha to 13 t/ha (1st+2nd cuts together).
2. The N-requirement of the young grass was moderate while the P-response significant by the 1st cut. The optimum P-supply was at the 150 mg/kg ammonium lactate soluble AL-P2O5 in the plow layer. There were no K-responses on this soil with 135 mg/kg AL-K2O values.
3. There were no P responses any more by the 2nd cut even on the low P-supply soil, with 66 mg/kg AL-P2O5 value, while the applied N increased the hay yield 4 times. The optimum N content in the hay, leading to maximum yield, amounted 2% by the 1st cut and 2.5-3.0% at the 2nd cut. Applied N decreased air-dried content at the 1st cut from 33% to 31%, at the 2nd cut from 27% to 21%.
4. On the soil, well supplied with PK, the 100 kg/ha/yr N treatment gave the maximum hay surpluses: at the 1st cut 61 kg, at the 2nd cut 14 kg, that is a total of 75 kg hay/kg N applied. The 200 kg/ha/yr plots yielded 43 kg, 300 kg/ha/yr yielded 34 kg hay/kg N applied. The primary sward hay had 0.34% NO3-N in the 300 kg/ha/yr treatment, which was over the allowable 1.25% NO3-N limit for animal foodstuff. The NO3-N content in the N-control plots amounted 0.06%, in the 100 kg/ha/yr treatment 0.10%, in the 200 kg/ha/yr treatment 0.22%. At the 2nd cut the hay had generally, half as high NO3-N content as in the 1st cut hay in all treatments.
5. The apparent recovery of applied N, using difference method, was even more than 100% on the well supplied with PK soil suggesting that in these instances grass herbage could make a good use of soil NO3-N pool accumulated in soil during the previous period and not used by the crops. -
Effects of ceasing mowing and grazing on the vegetation of wet grasslands of Badacsonytördemic
23-32Views:146During the work we examined the vegetation of a wet area near Badacsonytördemic. The grassland has been mowed and grazed intensively by Hungarian grey cattle until 2010, and it was abandoned afterwards. We surveyed three sample areas: the continuously grazed pasture, the mowed grassland and the additional pasture, which was grazed for one month each year.
Records were made in June 2010 and 2020. We utilized 4×4 m quadrats, and gave the cover of species in percent. Relative nitrogen values (NB), soil moisture values (WB), Social Behaviour Types according to Borhidi, nature conservation values (TVK) according to Simon were also used.
Based on the results, the vegetation of the area degraded greatly in ten years, its diverse nature disappeared, weeds and invasive species became dominant and species with good foraging value declined. No aggressive competitors were found in 2007, but Solidago gigantea appeared with great cover by 2020. In addition, many weed species appeared, and the ones which were already present in 2010, have increased their cover. Cirsium arvense was a newly appearing weed. Dead biomass also increased greatly.
To avoid further degradation, we suggest to reintroduce the management to these areas again. To set back weeds and invasive species, regular mowing would be efficient. It would be important to carefully set the date of mowing so that it prevents the spreading of seeds. Mowed plants must be removed from the area as soon as possible.