English (en) | Change Language

Sort: Relevance | Newest first | Oldest first


113 items found (Showing 41 - 50)
  1. The need for shelter is a fundamental necessity. Adequate planning, design and construction methods are key. Matters to consider include optimum use of local labour, using locally produced building materials, and construction techniques that are affordable, manageable and of best interest to the...
     
  2. The word permaculture, coined by its co-founder Bill Mollison, is formed from the words “permanent” and “agriculture.” The concept of permaculture is difficult to explain in just a few words, because the term is used to describe (usually simultaneously) both a worldview/philosophy for living on...
     
  3. Weeds are important biotic constraint to food production. Weeds compete with crops for the same resources, basically water, nutrients, light and carbon dioxide. Furthermore, they are alternate hosts for crop pests and pathogens. Moreover, some of them lack autotrophy and fully develop only by...
     
  4. While fulfilling the food demand of an increasing population remains a major global concern, more than one-third of food is lost or wasted in postharvest operations. Reducing the postharvest losses, especially in developing countries, could be a sustainable solution to increase food availability,...  
  5. "The number of undernourished people in the world remains unacceptably high at about 925 million. Global food security issues exist now, and are especially of concern looking forward as world population is expected to increase by about 35% over the next 40 years. Agricultural output will need to...  
  6.  
  7.  
  8. In countries experiencing intense population pressure, there is seldom enough land for pasture or for crops grown specifically for livestock. In many instances they are fed the locally available agricultural by-products and scavenged mature forage, which are usually deficient in minerals, energy...
     
  9.  
  10. Agroecology is a scientific discipline, a set of practices and a social movement. As a science, it studies how different components of the agroecosystem interact. As a set of practices, it seeks sustainable farming systems that optimize and stabilize yields. As a social movement, it pursues...