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Crop yields --- MODIS (Spectroradiometer) --- Agricultural estimating and reporting --- Agriculture --- Estimates --- Statistical methods --- Remote sensing --- United States. --- Cultures --- MODIS (Spectroradiomètre) --- Rendement --- Devis estimatifs --- Méthodes statistiques --- Prévision et estimation
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This paper focuses on the political economy of United States (U.S.) farm policy since the Uruguay round trade negotiations concluded in 1994 and established the World Trade Organization (WTO). The continued ability of the powerful farm lobby in the U.S. to elicit support in the political arena is evident from this analysis. Yet there have been some substantial changes in policy that have reduced their distortionary effects, as well as some setbacks to liberalizing reform. New Doha round commitments could put further constraints on subsidies provided by some U.S. policy instruments. And despite the ability of the farm lobby to retain its support programs through 2012, there are several political uncertainties about the alignments that have allowed U.S. farm support to endure.
Agribusiness --- Agricultural Sector Economics --- Agricultural Subsidies --- Agricultural Trade --- Agriculture --- Bidding --- Commodity Prices --- Consumers --- Corn --- Cotton --- Crop Insurance --- Crop Yields --- Crops --- Deregulation --- Economic theory & Research --- Economics --- Ethanol --- Expenditures --- Farming --- Financial Crisis --- Food Production --- Horticultural Crops --- Inflation --- Insurance --- International Food Policy Research Institute --- Macroeconomics and Economic Growth --- Marketing --- Monetary Policy --- Political Economy --- Savings --- Soybeans --- Sugar --- Trade Liberalization --- Trade Policy --- Wheat --- World Trade Organization
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Climate change is directly linked to the human activities, according to the Fourth Assessment Report of IPCC (2007). In last two decades of 20th Century, accelerated anthropogenic activities pushed up the atmospheric abundance of greenhouse gases, mainly CO2, CH4, and N2O, alarmingly which enhanced the radiative forcing of the Earth’s surface and thus perturbed its heat radiation balance. As a consequence, atmospheric characteristics, such as temperature, rainfall pattern, levels of CO2 and O3 have changed significantly, affecting the farm productivity. Although rising level of CO2 may have fertilizing effect on C3 crops, but concomitant rise in atmospheric temperature, O3 level and extreme weather conditions can not only nullify the fertilizing effect of CO2, but also drastically reduce the crop production, threatening food security to burgeoning world population. Agricultural crops are not only victim of climate variability and extreme whether conditions, but also serve as a potential source of CH4 and N2O. Therefore, in changed scenario, Kyoto Protocol (1997) has sought all signatory developed nations to cut down their emission levels as per their differential commitments to UNFCCC and developing nations to invest in less carbon emission projects to avert the process of global warming process. In this context, the present edition, which compiles latest findings of studies carried out by the scientists on climate change and crops around the world, serves as a ready reckoner to crop scientists, atmospheric scientists, ecologists, environmentalists, research scholars and post- graduate students to update their knowledge and understanding on this issue.
Climatic changes. --- Crop yields. --- Crops and climate. --- Food supply -- Environmental aspects. --- Food supply --- Environmental aspects. --- Changes, Climatic --- Climate change --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Food control --- Crops --- Field crops --- Yields, Crop --- Agricultural climatology --- Agriculture --- Agroclimatology --- Climate and crops --- Crop micrometeorology --- Plant biometeorology --- Environmental aspects --- Yields --- Climatic factors --- Environment. --- Climate change. --- Climate Change. --- Climate Change/Climate Change Impacts. --- Produce trade --- Food security --- Single cell proteins --- Agricultural productivity --- Soil productivity --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Agricultural ecology --- Bioclimatology --- Changes in climate --- Climate change science --- Global environmental change
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