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Mitter, H.; Sinabell, F.; E., S. |
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Title |
Climate change impacts on crop supply balances in Austria |
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2013 |
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TradeM |
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Grenzen der Qualitätsstrategie im Agrarsektor - 41. Jahrestagung der Schweizer Gesellschaft für Agrarwirtschaft und Agrarsoziologie und 23. Jahrestagung der Österreichischen Gesellschaft für Agrarökonomie, ETH Zürich, 2013-09-12 to 2013-09-13 |
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MA @ admin @ |
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2648 |
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Author |
Jing, Q.; Bélanger, G.; Baron, V.; Bonesmo, H.; Virkajärvi, P. |
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Title |
Simulating the Nutritive Value of Timothy Summer Regrowth |
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Journal Article |
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Year |
2013 |
Publication |
Agronomy Journal |
Abbreviated Journal |
Agronomy Journal |
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Volume |
105 |
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3 |
Pages |
563 |
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Keywords |
varying n nutrition; cation-anion difference; spring growth; swine manure; leaf-area; nitrogen; yield; model; digestibility; dynamics |
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The process-based grass model, CATIMO, simulates the spring growth and nutritive value of timothy (Phleum pratense L.), a forage species widely grown in Scandinavia and Canada, but the nutritive value of the summer regrowth has never been simulated. Our objective was to improve CATIMO for simulating the N concentration, neutral detergent fiber (NDF), in vitro digestibility of NDF (dNDF), and in vitro true digestibility of dry matter (IVTD) of summer regrowth. Daily changes in summer regrowth nutritive value were simulated by modifying key crop parameters that differed from spring growth. More specifically, the partitioning fraction to leaf blades was increased to increase the leaf-to-weight ratio, and daily changes in NDF and dNDF of leaf blades and stems were reduced. The modified CATIMO model was evaluated with data from four independent experiments in eastern and western Canada and Finland. The model performed better for eastern Canada than for the other locations, but the nutritive value attributes of the summer regrowth across locations (range of normalized RMSE = 8-25%, slope < 0.17, R-2 < 0.10) were not simulated as well as those of the spring growth (range of normalized RMSE = 4-16%, 0.85 < slope < 1.07, R-2 > 0.61). These modeling results highlight knowledge gaps in timothy summer regrowth and prospective research directions: improved knowledge of factors controlling the nutritive value of the timothy summer regrowth and experimental measurements of leaf-to-weight ratio and of the nutritive value of leaves and stems. |
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0002-1962 |
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CropM, LiveM |
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MA @ admin @ |
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4493 |
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Author |
Irz, X.; Kuosmanen, N. |
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Title |
Explaining growth in demand for dairy products in Finland: an econometric analysis |
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Journal Article |
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Year |
2013 |
Publication |
Food Economics |
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Food Economics |
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9 |
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sup5 |
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47-56 |
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Consumption; food; almost ideal demand system; decomposition; elasticities; milk; demand analysis; farm |
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The dairy sector represents the cornerstone of Finnish agriculture but faces new challenges linked to the decoupling of farm subsidies and abolition of milk production quotas. Because of its increasing exposure to market forces, the sector must anticipate future changes in demand and deliver precisely what Finnish consumers want. This paper contributes to that goal by analyzing retroactively the drivers of demand for dairy products over the period 1975–2010 using National Accounts Data. After presenting the evolution of consumption for dairy products, we estimate a complete system of demand for food and dairy products and use it to decompose demand growth into a substitution effect, income effect, and trend effect. The analysis points to the severity of the challenges that the sector is facing. Stagnant consumption is at least partially the result of continuous but adverse taste changes, and as Finnish consumers grow more prosperous, they allocate an increasingly smaller share of their food budget to the dairy group. The low own-price elasticity of demand for dairy products also limits the benefits to the sector of growth in milk production. Hence, business-as-usual will result in the dwindling importance of the dairy sector in the Finnish food chain. Innovation and product differentiation, perhaps emphasizing the attributes of livestock production processes, are clearly required to counter this evolution. |
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2164-828x |
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TradeM, ftnotmacsur |
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MA @ admin @ |
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4491 |
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Bonesmo, S.; Beauchemin, K.A.; Harstad, O.M.; Skjelvåg, A.O. |
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Title |
GHG emissions mitigation potential of Norwegian dairy and beef farms |
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2013 |
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LiveM |
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Sustainable Intensification: The pathway to low carbon farming, 2013-09-25 to 2013-09-27 |
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MA @ admin @ |
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2337 |
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Zavalloni, M.; Raggi, M.; Viaggi, D. |
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Title |
Economic analysis of Water Harvesting Reservoirs with Internal Water Reallocation: a Case Study in Emilia Romagna, Italy |
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2013 |
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TradeM |
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Italian Society of Economists, SIE 54th annual conference. Bologna, Italy, 2013-10-24 to 2013-10-26 |
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MA @ admin @ |
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2917 |
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