Figure 9. Simulation of maize yields from the model under different irrigation levels are studied and analyzed to develop a cost benefit analysis. Weather and Climate Extremes, 3 , 67— Figure 3. References [ 1 ] World Bank Water in Agriculture. Chamberlin, J. They occupy large surface area reducing the area under crop production, causes environmental degradation, distortion of the soil structure and underground water movement hence leading to disastrous natural disasters like floods, earthquakes and drought [18].
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Investors around the world are making impact investments to unleash the power of capital for good. Continue reading to learn about the core characteristics of impact investing, who is making impact investments, the results these investments can achieve, and. A version of this primer, answering many of the most frequently asked questions about impact investing, is available for download as. Share it with a friend or on social media. Impact investments are investments made with impaact intention to generate irrigatuon, measurable social supplemental irrigation and impact investment environmental impact alongside a financial return.
As the access to this document is restricted, you may want to search for a different version of it. Griffin, Llewelyn, Richard V. Price, T. Dalton, Timothy J. Boggess, William G.
As the access to this document is restricted, you may want to search for a different version of it. Griffin, Llewelyn, Richard V. Price, T. Dalton, Timothy J. Boggess, William G. Glenn Sheriff, Salazar, M. Jeffrey M. Roberts, David C. Guerrero, Bridget L. Janis M. McGrann, James M. Schaible, Glenn D. Epperson, James E. Mullen, Jeffrey D. DeJonge, Kendall C. Boggess, W. Christophe Gouel, Vories, E. Boyer, Christopher N. You can help correct errors and omissions. When requesting a correction, please mention this item’s handle: RePEc:eee:agisys:vyi:c:p See general information about how to correct material in RePEc.
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The impact of field size and energy investmenf on the profitability of supplemental corn irrigation. Larson, James A. Roberts, Irribation K. McClure, Angela T. Tyler, Donald D. Larson Roland K. Supplemental irrigation in corn production is increasing for humid regions across the world. Little is known about the profitability of irrigating corn in the humid southeastern region of the United States.
Our objective was to determine the breakeven price of corn where investment in center-pivot irrigation would be profitable in Tennessee. We considered the effects of field supplememtal, energy price, and energy source on the breakeven price of corn.
We estimated yield iimpact to nitrogen N for irrigated and non-irrigated corn, and allowed expected yield and economically optimal N fertilization to vary with the breakeven price. Field size and the cost of running electricity to the center-pivot were two important factors in choosing between diesel and electricity as the energy source.
As field investmenh increased, electricity became more economically viable relative to diesel. At current corn prices, irrigating corn appears profitable on fields greater than 51ha. More about this item Keywords Corn ; Economics ; Irrigation ; Linear response stochastic plateau ; Nitrogen ; Statistics Access investmenh download statistics.
Corrections All material on this site has been provided by the respective publishers and authors. Louis Fed. Help us Corrections Found an error supplemental irrigation and impact investment omission? RePEc uses bibliographic data supplied by the respective publishers.
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Shiferaw, B. Different researchers have suggested that supplemental irrigation to rain-fed agricultural settings could be a potential solution to the increasing food demands [1] [2]. Kansiime et al. Note: Standard deviation in parentheses. Such a relatively cheap technology could greatly facilitate the up scaling of rainwater harvesting for small scale irrigation. The analysed samples were collected from the upper soil horizons cm and in the subsoil layers 30 cm to 60 cm from each site under different soil types in the area. European Review of Agricultural Economics, 39 3— We report the results of the effect of drought index insurance on SI in three steps: first, the relationship between supplemental irrigation and impact investment of SI and treatments is presented via simple mean comparison. The maximum values for net irrigation water needs are observed with years that had low amounts of rainfall during the seasons, and Source: Author. Journal of Natural Sciences Research, 3,
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