| Records |
| Author |
Boote, K.J.; Porter, C.; Jones, J.W.; Thorburn, P.J.; Kersebaum, K.C.; Hoogenboom, G.; White, J.W.; Hatfield, J.L. |
| Title |
Sentinel site data for crop model improvement—definition and characterization |
Type |
Book Chapter |
| Year |
2016 |
Publication |
Improving Modeling Tools to Assess Climate Change Effects on Crop Response |
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| Abstract |
Crop models are increasingly being used to assess the impacts of future climate change on production and food security. High quality, site-specific data on weather, soils, management, and cultivar are needed for those model applications. Also important is that model development, evaluation, improvement, and calibration require additional high quality, site-specific measurements on crop yield, growth, phenology, and ancillary traits. We review the evolution of minimum data set requirements for agroecosystem modeling and then describe the characteristics and ranking of sentinel site data needed for crop model improvement, calibration, and application. We in the Agricultural Model Intercomparison and Improvement Project (AgMIP), propose to rank sentinel site data sets as platinum, gold, silver, and copper, based on the degree of true site-specific measurement of weather, soils, management, crop yield, as well as the quality, comprehensiveness, quantity, accuracy, and value. For example, to be ranked platinum, the weather and soil characterization must be measured on-site, and all management inputs must be known. Dataset ranking will be lower for weather measured off-site or soil traits estimated from soil mapping. Ranking also depends on the intended purposes for data use. If the purpose is to improve a crop model for response to water or N, then additional observations are necessary, such as initial soil water, initial soil inorganic N, and plant N uptake during the growing season to be ranked platinum. Rankings are enhanced by presence of multiple treatments and sites. Examples of platinum-, gold-, and silver-quality data sets for model improvement and calibration uses are illustrated. |
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Editor |
Hatfield, J.L.; Fleisher, D. |
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Series Title |
Advances in Agricultural Systems Modeling |
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| Series Volume |
7 |
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CropM |
Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
4980 |
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| Author |
Leogrande, R.; Lopedota, O.; Vitti, C.; Ventrella, D.; Montemurro, F. |
| Title |
Saline water and municipal solid waste compost application on tomato crop: Effects on plant and soil |
Type |
Journal Article |
| Year |
2016 |
Publication |
Journal of Plant Nutrition |
Abbreviated Journal |
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| Volume |
39 |
Issue |
4 |
Pages |
491-501 |
| Keywords |
ftnotmacsur |
| Abstract |
A field experiment was conducted in Southern Italy to evaluate the effects of different water quality and fertilizers on yield performance of tomato crop. In mineral nitrogen (N) fertilizer and irrigation with fresh water (Electrical Conductivity, EC, = 0.9 dS m⁻¹) (FWF); mineral N fertilizer and irrigation with saline water (EC = 6.0 dS m⁻¹) (SWF); municipal solid waste (MSW) compost and irrigation with fresh water (EC = 0.9 dS m⁻¹) (FWC); MSW compost and irrigation with saline water (EC = 6.0 dS m⁻¹) (SWC). At harvest, weight and number of fruits and refractometric index (°Brix) were measured, total and marketable yield and dry matter of fruit were calculated. The results indicated that MSW compost, applied as amendment, could substitute the mineral fertilizer. In fact, in the treatments based on compost application, the tomato average marketable yield increased by 9% compared with treatments with mineral fertilizer. The marketable yield in the SWF and SWC treatments (with an average soil EC in two years to about 3.5 dS m⁻¹) decreased respectively of 20 and 10%, in respect to fresh water treatments. At the end of the experiment, application of compost significantly decreased the sodium absorption rate (SAR) of SWC treatment in respect of SWF (−29.9%). Significant differences were observed among the four treatments both on soil solution cations either exchangeable cations. In particular compost application increased the calcium (Ca) and potassium (K) contents in saturated soil paste respect to the SWF ones (31.4% and 59.5%, respectively). At the same time saturated soil paste sodium (Na) in SWC treatment recorded a decrease of 17.4% compared to SWF. |
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no |
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MA @ admin @ |
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4991 |
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| Author |
Stevanović, M.; Popp, A.; Lotze-Campen, H.; Dietrich, J.P.; Müller, C.; Bonsch, M.; Schmitz, C.; Bodirsky, B.L.; Humpenöder, F.; Weindl, I. |
| Title |
The impact of high-end climate change on agricultural welfare |
Type |
Journal Article |
| Year |
2016 |
Publication |
Science Advances |
Abbreviated Journal |
Sci. Adv. |
| Volume |
2 |
Issue |
8 |
Pages |
e1501452 |
| Keywords |
ftnotmacsur |
| Abstract |
Climate change threatens agricultural productivity worldwide, resulting in higher food prices. Associated economic gains and losses differ not only by region but also between producers and consumers and are affected by market dynamics. On the basis of an impact modeling chain, starting with 19 different climate projections that drive plant biophysical process simulations and ending with agro-economic decisions, this analysis focuses on distributional effects of high-end climate change impacts across geographic regions and across economic agents. By estimating the changes in surpluses of consumers and producers, we find that climate change can have detrimental impacts on global agricultural welfare, especially after 2050, because losses in consumer surplus generally outweigh gains in producer surplus. Damage in agriculture may reach the annual loss of 0.3% of future total gross domestic product at the end of the century globally, assuming further opening of trade in agricultural products, which typically leads to interregional production shifts to higher latitudes. Those estimated global losses could increase substantially if international trade is more restricted. If beneficial effects of atmospheric carbon dioxide fertilization can be realized in agricultural production, much of the damage could be avoided. Although trade policy reforms toward further liberalization help alleviate climate change impacts, additional compensation mechanisms for associated environmental and development concerns have to be considered. |
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no |
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MA @ admin @ |
Serial |
5003 |
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| Author |
Sinabell, F. |
| Title |
Wirtschaftliche Herausforderungen für die Landwirtschaft |
Type |
Conference Article |
| Year |
2016 |
Publication |
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5 |
Issue |
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Pages |
11-13 |
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Irdning-Donnersbachtal |
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Umweltökologisches Symposium. Landwirtschaft 2030 - Auswirkungen auf Boden, Wasser und Luft, 5. – 6. April 2016, Irdning-Donnersbachtal |
| Notes |
TradeM, ftnotmacsur |
Approved |
no |
| Call Number |
MA @ admin @ |
Serial |
5013 |
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| Author |
Rusu, T. |
| Title |
Impacts of climate change on agricultural technology management in the Transylvanian Plain, Romania |
Type |
Conference Article |
| Year |
2016 |
Publication |
Journal of Earth Science & Climatic Change |
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7 (5) |
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Suppl. 96 |
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5th International Conference on Earth Science & Climate Change, 25–27 July 2016, Bangkok |
| Notes |
CropM |
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no |
| Call Number |
MA @ admin @ |
Serial |
5022 |
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