Efficient Use Of Absolute Permanent Grassland In Foothill And Medium-Altitude Mountain Areas Through The Develop Ment Of Young-Cattle Raising Centres,
2026
Ingenieurbiiro fiir Investitionsvorbereitung und Rationalisierung beim Rat des Bezirkes Erfurt
Efficient Use Of Absolute Permanent Grassland In Foothill And Medium-Altitude Mountain Areas Through The Develop Ment Of Young-Cattle Raising Centres, Joachim Ilgner, Waldemar Endter
IGC Proceedings (1977-2023)
Centres of industrial-scale production of young cattle have been, and are being, systematically developed by way of the specialization, concentration, and regional distribution of productive forces in order to make the most effective use of absolute permanent grassland areas in foothill and medium-altitude mountain areas. Optimization calculations carried out in a number of locations allow to determine the demands on the size and quality of grassland used for cattle grazing, on land improvement, use, grazing management, the proportion of grassland suitable for mechanized farming, the share of grassland in the available farmland, the grazing area available for one head of …
Interrelationships Of Pasture Production, Pasture UtilizaTion And Animal Production From Grazed Pastures On Kangaroo Island, South Australia,
2026
Department of Agriculture and Fisheries
Interrelationships Of Pasture Production, Pasture UtilizaTion And Animal Production From Grazed Pastures On Kangaroo Island, South Australia, P R. Gibson
IGC Proceedings (1977-2023)
Pasture dry matter production, crude utilization and availability data are presented for two treatments (annual- and perennial-based pasture) in a larger stocking rate experiment carried out on the Kangaroo Island Research Centre, South Australia. There was no significant effect of stocking rate on mean annual pasture production for the four-year experimental period although some within-season correlations (both positive and negative) were observed. The mean efficiency of wool production in relation to pasture production and rainfall increased with stocking rate up to 17 sheep/ ha highlighting the biological efficiency of high stocking rates on these pastures.
Stocking Rate And The Ecosystem: Some Soil-Plant-Animal Interrelationships On Annual Pastures In South Australia,
2026
University of Adelaide
Stocking Rate And The Ecosystem: Some Soil-Plant-Animal Interrelationships On Annual Pastures In South Australia, Edward D. Carter
IGC Proceedings (1977-2023)
Merino wethers were grazed continuously for five years on an annual pasture at the Waite Agricultural Research Institute in the Mediterranean environment of South Australia to assess the soil, plant and animal responses to, and financial returns from, five stocking rate treatments ranging from 7.4 to 22.2 sheep per hectare. The experiment highlighted the biological and economic inefficiency of low stocking rates. Not only was pasture production increased by increasing the stocking rate but production of wool per head of sheep was not significantly affected except at the highest stocking rate. Wool production and wool value increased almost linearly with …
Possibilities Of Raising Grassland Yields And Sheep Production By Means Of Intensive Nitrogen Fertilization,
2026
Vyskumny Ustav Luk a Pasienkov
Possibilities Of Raising Grassland Yields And Sheep Production By Means Of Intensive Nitrogen Fertilization, Jozef Kvietok
IGC Proceedings (1977-2023)
Application, after every grazing cycle, of 40 and 80 kg of nitrogen per hectare of sheep pasture, respectively, raised pasture yields to several times the level achieved in the unfertilized control. The fertilized herbage contained larger quantities of nitrogen compounds, with a trend to further increase in the following years. In variant A (40 kg N/ha) conversion of fertilizer nitrogen into plant matter was more efficient. In variant B (80 kg N/ha) we found a better balance of herbage regrowth over the whole grazing season. The amount of animal products produced in the individual variants correlated with the quantity and …
Dynamics Of Botanical And Chemical Compositions Of Plants In Pasture Mixture,
2026
University of Kentucky
Dynamics Of Botanical And Chemical Compositions Of Plants In Pasture Mixture, Y A. Yakimova, N Petrovski, R Stoilova
IGC Proceedings (1977-2023)
Studies were conducted over five years into the dynamics relating to the botanical and chemical composition of the plant stand on an irrigated pasture run by the Institut po furazite, Pleven. The seed mixture consisted of20 % white clover, 60 % cocksfoot, and 20 % perennial rye grass and received annual phosphorus-potassium fertilization. The pasture was located on a plain 130 m a.s.l. and based on slightly leached chernozem of pH 7 .2. The climate is continental, with an annual mean temperature of 11. 7 °C and a long-term annual precipitation rate of 591 mm. The site was irrigated, which …
Cutting Riverside Meadows Under High-Intensity Management,
2026
All-Union Williams Forage Research Institute
Cutting Riverside Meadows Under High-Intensity Management, Klavdiya Terekhova, Viktor Pavlov, Petr Komakhin
IGC Proceedings (1977-2023)
The cutting regime applied to a natural grass stand is of great impact upon productivity and persistence as well as upon composition by groups and species. The date of cutting has effects on the ratio of age groups within populations of species as well as on generative and vegetative renewal, plant vitality, and morphogenesis. The following yields may be obtained from a three-cut or four-cut regime of natural stands accompanied by application of 180 kg N + 60kgP + 60kgK/ha or240kgN + 60kgP + 60 kg K/ha: 6-10 tons of air-dry matter per hectare and 1-2 tons of crude protein …
Productivity Of A Natural Grass Stand At Different Cutting Frequency,
2026
Vyskumny Ustav Luk a Pasienkov
Productivity Of A Natural Grass Stand At Different Cutting Frequency, Jan Tomasik, Ondrei Tomka
IGC Proceedings (1977-2023)
At adequate moisture supply from the soil, the productive potential of a natural grass stand can be considerably increased within a very short time even in the warmer regions of Czechoslovakia. Under the given ecological conditions, under three•cut use dry matter yields were 7 .2 t/ha when fertilized with 50 kg N/ha, and I 1.7 t/ha after application of 400 kg N/ha; that is a 2. l-3.5fold increase. The crude protein yield increased 2. If old under two-cut use and 5fold under six-cut use, as compared to the unfertilized control plot. The increase in cutting frequency decreased • the dry …
Yield And Nutritive Value Of Forage Plants As Influenced By Stage Of Plant Development At Harvest,
2026
Estonian Agricultural University
Yield And Nutritive Value Of Forage Plants As Influenced By Stage Of Plant Development At Harvest, Khindrek Older, Ants Linnutaya, Yulo Oll
IGC Proceedings (1977-2023)
Field experiments were conducted for the purpose of studying yield formation in six singlecrop sown grass species and two clover/grass mixtures, as well as the. chemical composition and in vitro digestibility of the forage as influenced by the stage of plant development at the time of harvest. Highest dry matter yields were obtained from two-cut use with harvesting in flower. Highest digestible dry matter levels were obtained from three-cut use in the stage of shooting. Highest protein levels were recorded in the context of four-cut use in the heading stage. Digestible nutrients were high in the tillering and shooting stages. …
Use Of Legume/ Grass Pastures In The Central District Of The Ussr Forest Zone,
2026
All-Union Williams Forage Research Institute
Use Of Legume/ Grass Pastures In The Central District Of The Ussr Forest Zone, Anelya Kutuzova, Kira Privalova
IGC Proceedings (1977-2023)
Permissible grazing frequency was elucidated by comparing forage plant mixtures for their response to different regimes of use, with reference being made to variation in yields and in the percentage of sown legume components in the stand. In the absence of nitrogen-fertilized grass stands in the pasture, a mixture with white clover is recommended for five uses. For four uses it is more suitable to take mixtures with red clover or alsike clover, or with white clover as well, provided the availability of grass stands for early pasture use. Only three uses per season are permissible of alfalfa/ grass mixtures, …
Continuous Supply Of Fresh Forage To Factory-Like Dairy Farms As Demonstrated By The Example Of Eibau,
2026
Hochschule fiir Landwirtschaftliche Produktionsgenossenschaften MeiBen
Continuous Supply Of Fresh Forage To Factory-Like Dairy Farms As Demonstrated By The Example Of Eibau, Horst Neubert, Christiane Ruppert
IGC Proceedings (1977-2023)
Investigations conducted in a factory-like dairy farm and in a crop production cooperative farm specialized in forage have proved that the use of fresh forage is very efficient from the economic point of view and that under the conditions of crop production along industrial lines fresh forage can be supplied according to demand and with great effectiveness. This depends, however, on the following conditions: site-specific cropping organization above all with regard to the choice of species and varieties; efficient organization of the harvesting process as well as of transport and storage; sciencebased organization and management of work. Great importance in …
Coronilla Varia L. As Forage Plant And For Prevention Of Soil Erosion,
2026
Vyzkumna Stanice Picninafska
Coronilla Varia L. As Forage Plant And For Prevention Of Soil Erosion, Jan Hofbauer
IGC Proceedings (1977-2023)
From 1973 to 1975, the following parameters were studied in crownvetch (Coronilla varia L.), variety 'Chemung': contents of crude protein, crude fibre, digestible protein, fixed essential amino acids, and NO3-N, as well as the matter and seed yields. The matter and seed yields were analogous to data stated in foreign citations, but the nutrient contents were lower. The optimum time of the first cutting (in terms of nutrient content) is from the end of May to mid-June in the first harvest year, and from mid-June to the end of June in the second. Good seed yields were obtained only from …
New Cultivation Method And Mode Of Utilization Off Orage Sunflower (Helianthus Annuus L.),
2026
Instytut Uprawy Nawoienia i Gleboznawstwa
New Cultivation Method And Mode Of Utilization Off Orage Sunflower (Helianthus Annuus L.), Zdzislaw Gonet
IGC Proceedings (1977-2023)
A new method of sunflower cultivation was tested in a field experiment over one year. At 70 cm row spacing it is possible to use the harvester-chopper without crop yield going down. Spring seeding for a density of 200,000 plants/ha is the most favourable approach. The proper plant density at other seeding times (catch cropping) has to be ascertained in further experiments. Because of the remarkable increase of dry matter and nutrient contents from the beginning of flower to the stage of yellow pollen basket, sunflower grown for silage should be harvested only at this later date. Further investigations into …
Biological And Ecological Properties Of Lotus Corniculatus L.,
2026
Belorussian agricultural academy
Biological And Ecological Properties Of Lotus Corniculatus L., Vitalo Strelkov
IGC Proceedings (1977-2023)
Tests have shown that the life duration of wild-growing birdsfoot trefoil (Lotus corniculatus L.) on natural meadows was between five and six years. That spa_n can be extended to something between eight and nine years in a seeded-grass environment. The winter hardiness of birdsfoot trefoil is poor, and so is its growth under flood water, as it would be displaced by wild-growing grasses. Its yield is higher if proper drainage is provided, with ground-water tables varying between 60 and 100 cm. About 60 % or even more birdsfoot trefoil plants may be destroyed when grown under cover crops for grain. …
Red Clover/Grass Mixtures For Continuous Forage Supply In Medium-Altitude Mountain Areas,
2026
Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republik
Red Clover/Grass Mixtures For Continuous Forage Supply In Medium-Altitude Mountain Areas, Gerhard Knoch, Johanna Leistner
IGC Proceedings (1977-2023)
The fresh forage supply of a 2000-head dairy farm with clover/grass and red clover, 'Perenta' variety, is possible from about the third pentad of May up to the second pentad of September. For this, 740 hectares have to be harvested, i.e. 4 to 9 ha per day. The mean energy concentration of the fresh forage amounts to 562 energetic feed equivalents (cattle) per kg DM. The lowest values of 507 and 510 energetic feed equivalents (cattle) per kg DM are obtained in the second growth of clover/grass in the third and fourth pentads of July, respectively, and the highest values, …
Cultivation Of Alfalfa And Alfalfa/ Grass Mixtures At Higher Altitudes In Czechoslovakia,
2026
Vyzkumny Ustav Melioraci, Praha/Zbraslav
Cultivation Of Alfalfa And Alfalfa/ Grass Mixtures At Higher Altitudes In Czechoslovakia, Jan Radej
IGC Proceedings (1977-2023)
Experimental results have shown that the cropping area of alfalfa can be extended to suitable locations of the potato growing region. Due to the great heterogeneity of soil conditions, red clover cannot, however, be completely eliminated from the cropping pattern in this area, because alfalfa gives higher dry matter yields than red clover only after three years. Therefore, in a more humid potato growing region with compacted soils it will be more suitable to grow red clover, or mixtures including red clover, at differentiated levels of nitrogen fertilization.
Yield And Stand Dynamics Of Medicago Sativa As Influenced By Seeding Management,
2026
Purdue University
Yield And Stand Dynamics Of Medicago Sativa As Influenced By Seeding Management, R E. Mullen, J J. Vorst, H E. Laborde, C L. Rhykerd
IGC Proceedings (1977-2023)
Late summer seeding of alfalfa resulted in higher yields than did spring seeding only for the first year after seeding. Yields of late summer seeded plots progressively decreased through the third year after seeding, but yield of spring seeded plots remained constant. In the third year, there were 14 % more plants/m2 in spring seeded plots than in late summer seeded plots, but stems/m2 remained constant for both seeding dates. In second and third years, broadcast seeding resulted in greater yields and more plants and stems/m2 than row seeding. Over the three-year period highest yields were obtained when plants and …
Effects Of Seeding Rate On Chemical Composition Of Alfalfa Herbage,
2026
Purdue University
Effects Of Seeding Rate On Chemical Composition Of Alfalfa Herbage, R E. Mullen, J J. Vorst, V L. Lechtenberg, C H. Noller, H E. Laborde
IGC Proceedings (1977-2023)
Cell wall constituent (CWC) percentage, in vitro cell wall constituent disappearance (IVCWCD), and crude protein percentage were determined in alfalfa herbage from plots broadcast seeded at 4.5, 9.0, 18.0, and 36.0 kg of seed/ha. Data were obtained for the seeding year and two years following the seeding year. CWC percentage for first cutting alfalfa herbage averaged 4.2 percentage units lower than for second cutting alfalfa herbage. However, IVCWCD did not differ between first and second cutting alfalfa herbage (p < 0.05). No relationships were apparent between CWC percentage and IVCWCD, which were apparently not affected by seeding rates. Crude protein percentage of alfalfa herbage did not vary among the various seeding rates. High plant population resulting from high seeding rates did not result in increased alfalfa herbage digestibility and crude protein.
Cover Crops For Perennial Forage Plants Under Conditions Of High-Intensity Arable Farming,
2026
All-Union Williams Forage Research Insitute
Cover Crops For Perennial Forage Plants Under Conditions Of High-Intensity Arable Farming, Yu K. Novoselov
IGC Proceedings (1977-2023)
High and stable yields of perennial forage plants grown under conditions of high-intensity arable farming depend decisively on proper timing of sowing as well as on correct choice of the most suitable sowing method. Early-spring sowing of perennial forage plants under summer crops was found to be an optimum approach in the nonchernozem zone of the European part of the • USSR. The safe development of the seedlings of a given forage crop depends on proper choice not only of the species but also of the variety of the cover crop. If more nitrogen is applied, particularly in years with …
Effect Of Planting Methods On The Establishment Of Panicum Maximum Jacq. On Natural Pastures,
2026
Instituto de Ciencia Animal, San Jose de las Lajas
Effect Of Planting Methods On The Establishment Of Panicum Maximum Jacq. On Natural Pastures, C Padilla, L Sanchez, J Sarroca, G Febles
IGC Proceedings (1977-2023)
Six planting methods were studied for the establishment of guinea grass on natural pastures (Andropogonea) minimizing mechanical soil labour and burning. Methods essayed were: asexual plant cuttings and/or botanical seeds, planted in furrows, harrowing or not before furrowing, and the latter type of seeds broadcast on soils already ploughed and harrowed or only harrowed. The best establishment was obtained when seed.s were broadcast, guinea grass replacing natural pasture species in 78 to 94 % when the soil was only harrowed and when ploughed + harrowed before sowing, respectively. Dry matter yields of broadcast guinea ranged from 5 to 6 t/ha …
Establishment Of Brachiaria/Legume Pastures In The Northern Guinea- Savanna Of Nigeria,
2026
Ahmadu Bello University
Establishment Of Brachiaria/Legume Pastures In The Northern Guinea- Savanna Of Nigeria, J O. Akinola
IGC Proceedings (1977-2023)
Pastures of signal grass (Brachiaria brizantha) planted alone and also in mixtures with 8 tropical pasture legumes sown by broadcasting or drilling in the 1974 growing season in the Northern Guinea Savanna of Nigeria were evaluated at establishment in terms of DM yield, N and P content, and stand survival after the dry season. High-density (30 x 37.5 cm) pure B. brizantha pasture gave the highest OM yield, 18,000 kg/ha, whilst the mixture involving drilled Desmodium tortuosum produced the lowest DM, 7100 kg/ha. Broadcasting was slightly superior to drilling, and the legumes were richer than the grasses, in terms …
