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Agricultural Planning

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James P. Chryssanthacopoulos – One of the best experts on this subject based on the ideXlab platform.

  • A climate generator for Agricultural Planning in southeastern
    , 2015
    Co-Authors: Arthur M. Greene, Lisa M. Goddard, James P. Chryssanthacopoulos

    Abstract:

    A method is described for the generation of climate scenarios in a form suitable for driving Agricultural models. The scenarios are tailored to the region in southeastern South America bounded by 25–40

  • A climate generator for Agricultural Planning in southeastern South America
    Agricultural and Forest Meteorology, 2015
    Co-Authors: Arthur M. Greene, Lisa M. Goddard, Paula Gonzalez, Amor Valeriano M. Ines, James P. Chryssanthacopoulos

    Abstract:

    Abstract A method is described for the generation of climate scenarios in a form suitable for driving Agricultural models. The scenarios are tailored to the region in southeastern South America bounded by 25–40° S, 45–65° W, denoted here as SESA. SESA has been characterized by increasing summer precipitation, particularly during the late 20th century, which, in the context of favorable market conditions, has enabled increases in Agricultural production. Since about year 2000, however, the upward tendency appears to have slowed or possibly stopped, raising questions about future climate inputs to regional Agricultural yields. The method is not predictive in the deterministic sense, but rather attempts to characterize uncertainty in near-term future climate, taking into account both forced trends and unforced, natural climate fluctuations. It differs from typical downscaling methods in that GCM information is utilized only at the regional scale, subregional variability being modeled based on the observational record. Output, generated on the monthly time scale, is disaggregated to daily values with a weather generator and used to drive soybean yields in the crop model DSSAT-CSM, for which preliminary results are discussed. The simulations produced permit assessment of the interplay between long-range trends and near-term climate variability in terms of Agricultural production.

Mohammad Karamouz – One of the best experts on this subject based on the ideXlab platform.

  • developing an Agricultural Planning model in a watershed considering climate change impacts
    Journal of Water Resources Planning and Management, 2013
    Co-Authors: Mohammad Karamouz, Behzad Ahmadi, Zahra Zahmatkesh

    Abstract:

    AbstractSocieties are facing major challenges in allocating water resources to growing water demands due to population growth and industrial and Agricultural developments. With increasing water scarcity, the need to increase Agricultural water productivity is receiving significant attention in developing countries. Among alternative options for meeting increasing water demand, improving productivity has received considerable attention. Therefore, Planning of water systems to face future development conditions needs further studies on land, water use, and resources as well as consideration of objectives to maximize crop production to achieve the maximum net return. Because climate change is likely to have impact on the hydrological cycle and consequently on the available water resources and Agricultural water demand, there are concerns about the effects of climate change on Agricultural productivity. Considering climate change impacts, in order to optimize Agricultural productivity, practical frameworks an…

  • integrated Planning of land use and water allocation on a watershed scale considering social and water quality issues
    Journal of Water Resources Planning and Management, 2012
    Co-Authors: Azadeh Ahmadi, Mohammad Karamouz, Ali Moridi

    Abstract:

    AbstractSustainable development in river basins depends on sound management of land use and water allocation policies. Integrated water resources management (IWRM) is considered a path to bring many elements within the development schemes together toward a unified land-water Planning and management process. In this study, an integrated water resources management model is developed to connect three groups of decision makers in pollution control, Agricultural Planning, and water resources allocation with economic, environmental, and social objectives. A genetic algorithm–based optimization model is developed for providing desirable water quality and quantity while maximizing Agricultural production in the upstream region, mitigating the unemployment (social) impacts of land use changes, and providing reliable water supply to the downstream region. The upstream region is divided into subbasins, and a fuzzy-based multiobjective optimization model is used to determine the optimal land uses in each subbasin and…

Samuel G. K. Adiku – One of the best experts on this subject based on the ideXlab platform.

  • Decision support tools for site-specific fertilizer recommendations and Agricultural Planning in selected countries in sub-Sahara Africa
    Nutrient Cycling in Agroecosystems, 2018
    Co-Authors: Dilys S. Maccarthy, Job Kihara, Patricia Masikati, Samuel G. K. Adiku

    Abstract:

    Recommendations and decisions of crop management in sub-Saharan Africa (SSA) are often based on traditional field experimentation. This usually ignores the variability of production factors in space and time, and hence invalidates such decisions and recommendations outside of the experimental sites. Yet, the use of alternative or complementary decision support approaches such as crop modelling is limited. In this paper, we reviewed the state of the use of crop modelling in informing site specific fertilizer recommendations in some countries in SSA. Even though nitrogen fertilizer recommendations in most countries across Africa are blanket, the limited employment of models show that optimum nitrogen application should be differentiated according to soil types, management and climate. A number of studies reported on increased fertilizer use efficiency and reduced crop production risks with the use of decision support tools (DST). The review also showed that the gross limitation of the use of models as Agricultural decision-making tools in SSA could be attributed to factors such as low capacity due to limited training opportunities, and the general lack of support from national governments for model development and application for policy formulation. Proposals identified to overcome these limitations include (1) introduction of the science of DST in the curricula at the tertiary level, (2) encouragement and support for the adoption of model use by governmental and non-governmental organizations as additional tools for decision making and (3) simplifying DSTs to facilitate their use by non-scientific audience to scale uptake and use for farm management.