Essays about: "sorghum"

Showing result 11 - 15 of 18 essays containing the word sorghum.

  1. 11. Push and pull for change : local experiences of the Push-Pull Technology in South Wollo, Amhara Region, Ethiopia

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Josefin Årevall; [2015]
    Keywords : Push-Pull Technology; Ethiopia; sorghum; maize; agroecology; rural development; change; decision-making;

    Abstract : Drawing from in-depth interviews with farmers who have implemented the Push-Pull Technology in South Wollo, Ethiopia, this thesis focuses on understanding both local driving forces for changing farming practices and patterns of decision-making. This thesis argues that farmers’ decisions are based on more than rational choice, and that there is a complex web of social and institutional patterns which affects their actions and attitudes towards changes of farming practices and use of new technologies. READ MORE

  3. 12. Evaluating habitat suitability and spectral heterogeneity models to predict weed species presence

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Christina Fotiou; [2014]
    Keywords : GARP; herbicide resistant weeds; climate change; spatial heterogeneity; habitat; regression; NDVI; Physical Geography and Ecosystem Analysis; GIS; Earth and Environmental Sciences;

    Abstract : The aim of this study is to analyze whether the presence of weed species resistant to herbicides is related to landscape heterogeneity and environmental variables. C3 and C4 weed species, such as Chenopodium album, Conyza canadensis, Amaranthus retroflexus, Papaver rhoeas, Sorghum halepense, Echinochloa crus-galli and Lolium rigidum, are studied in two differing bioclimatic countries, Greece and Germany. READ MORE

  4. 13. Can Africa feed the World? : land acquisitions as a solution to global food security

    University essay from Lunds universitet/LUCSUS

    Author : Leila Mc Elvenney; [2012]
    Keywords : land acquisitions; yield; cereal; calorie; intercrop; crop; global food security; sustainability science; Social Sciences;

    Abstract : Ensuring food security for 9 billion people is one of the biggest challenges facing humanity in the 21st century. Crop production needs to double by 2050 to keep up with demand from increasing population and income growth. READ MORE

  5. 14. Illustrative scenarios of biofuel policiesfor transport sector in a developingcountry; A case study of Zambia

    University essay from KTH/Energiteknik

    Author : Moono Jambo; [2012]
    Keywords : Biofuel; bioethanol; biodiesel; environment; sustainability;

    Abstract : The increasing demand for transportion fuels has led most countries around the world to look for alternatives to the predominant fossil fuels in the sector. Furthermore, the needs for security of energy supply, social – economic and sustainable development are among the factors driving the search for alternative fuels with regard to the fact that most oil producing countries are politically unstable. READ MORE

  6. 15. Climate change impacts on crop yields and adaptive measures for agricultural sector in the lowlands of Lesotho

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Maoela Malebajoa; [2010]
    Keywords : climate change; A2 and B2 SRES; MAGICC SCENGEN; CROPWAT; Crop Yields; adaptive measures; Earth and Environmental Sciences;

    Abstract : Summary: Climate change has emerged as the most outstanding of the environmental challenges and there is a necessity to evaluate its impacts on the vulnerable development sectors such as agriculture. In this study, spatially adjusted general circulation models and crop models were used to simulate climate change scenarios and the associated cereal crops yields for the western lowlands of Lesotho for the year 2030-2050 and 2080-2100. READ MORE