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  • Yield Potential and Yield Gap Atlas
    The world's leading agronomic database covering yield potential, yield gaps, and water productivity across 83 countries
  • China Cotton - Global yield gap atlas
    Cotton (Gossypium hirsutum L ) has been considered as an important commodity for millions of smallholder farmers in China China is the second largest cotton-producing country, which produces 23% of world cotton with 11% of the global cotton area (USDA, 2020) As one of the largest cotton-consuming and importing countries, China imported on average 1 6 MMT of cotton annually in the past three
  • Home - Global yield gap atlas
    The Global Yield Gap Atlas (GYGA) is on a mission to be a comprehensive and self-sustaining global database with local to global agronomic rigour for the benefit of thousands of public and private data users
  • Field Crop Research 2013 Special issue - Global yield gap atlas
    When yield gaps are poverty traps: The paradigm of ecological intensification in African smallholder agriculture Field Crops Research 143, 76-90 Boogaard, H , Wolf, J , Supit, I , Niemeyer, S , Ittersum, M 2013 A regional implementation of WOFOST for calculating yield gaps of autumn-sown wheat across the European Union
  • HomeOld - Global yield gap atlas
    GYGA aspires for global coverage of yield gaps for all major food crops and countries that produce them The first phase of the project (2012 and 2013) focussed on maize, rice, wheat, sorghum and millet The crop list has been extended with soybean, sugarcane and barley
  • FAQ - Global yield gap atlas
    The Atlas can help determine the untapped crop production potential and identify the most promising regions for investment in agricultural development and technology The Atlas can also be used to monitor progress towards closing yield gaps and quantitatively estimate impact of R D investments on yield gap closure over time, and assess the degree to which food self-sufficiency can be
  • Glossary - Global yield gap atlas
    The yield gap (Yg) is the difference between Yp (irrigated crops), Yw (rainfed crops) or Ypi (partially- irrigated crops) and actual yield (Ya) Yg is based on Yp, Yw or Ypi simulated using optimal agronomic management as input (i e cultivar maturity, sowing date and planting density)
  • Introduction - Global yield gap atlas
    Yield gaps (Yg) are estimated by the difference between yield potential(Yp) without limitations due to water or other abiotic and biotic stresses (the most relevant benchmark for irrigated systems), or water-limited yield potential(Yw) as the benchmark for rainfed systems, and actual crop yields(Ya)
  • Argentina - Global yield gap atlas
    Disaggregated analysis of yield gaps for maize and soybean crops based by cropping system (i e , early or late maize and single or second soybean) Accounting for the influence of shallow groundwater on yield potential
  • Coordinating partners - Global yield gap atlas
    UNL and WUR-PPS lead the development of a global, transparent, robust, and reproducible protocol to determine yield gaps and water productivity and to scale this up from local to national estimates





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