Sökning: "vattenproduktivitet"

Hittade 3 uppsatser innehållade ordet vattenproduktivitet.

1. 1. Evaluation of Crop Water Use and Rice Yield Using Remote Sensing and AquaCrop Model for Three Irrigation Schemes in Sri Lanka

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaper

   Författare :Veronika Widengren; [2022]
   Nyckelord :WaPOR; remote sensing; evapotranspiration; crop water productivity; irrigation scheme; AquaCrop; Malwathu Oya; Sri Lanka; paddy rice; humid tropical climate; WaPOR; fjärranalys; evapotranspiration; vattenproduktivitet; bevattningssystem; AquaCrop; Malwathu Oya; Sri Lanka; ris; fuktigt tropiskt klimat;

   Sammanfattning : With a changing climate and an increased competition over water resources for agricultural irrigation, the need to improve crop water productivity using time and cost-efficient methodologies have become critically important. The Malwathu Oya river basin in Sri Lanka is struggling with water scarcity, which threatens food security and the income of farmers. LÄS MER

3. 2. Impact on yield and water productivity of wheat by access to irrigation scheduling technologies in Koga Irrigation Scheme, Ethiopia

   Uppsats för yrkesexamina på avancerad nivå,

   Författare :Elin Svedberg; [2019]
   Nyckelord :Koga; irrigation scheduling; Fullstop Wetting Front Detector; Chameleon; water productivity; Koga; bevattningsplanering; Fullstop Wetting Front Detector; Chameleon; vattenproduktivitet;

   Sammanfattning : Improving water use efficiency is included in the Sustainable Development Goals of the United Nations. Ethiopia is a developing country struggling with food production as well as water scarcity. This study presents the results of a statistical analysis of changes in water productivity (i.e. LÄS MER

4. 3. Water productivity and water requirements in food production : examples from Ethiopia, Tanzania and Burkina Faso

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

   Författare :Louise Malmquist; [2018]
   Nyckelord :evapotranspiration; nutrition; water management; water scarcity; yield gap; water use efficiency; Sub-Saharan Africa;

   Sammanfattning : The majority of agricultural croplands globally is rainfed. This calls for agricultural practices which promote as productive use of precipitation water as possible, to maintain sufficient crop growth for food production. Global population is estimat-ed to increase to 9. LÄS MER