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724 รายการที่พบ (กำลังแสดง 1 - 10)
  1. ทรัพยากรหลัก
    16-02-2015 Tropical root and tuber crops are consumed as staples in parts of the tropics and should be considered for their potential to produce impressive yields in small spaces. They provide valuable options for producing food under challenging growing conditions. Cassava and taro, for instance, are...  
  2. ทรัพยากรหลัก
    01-01-2010 Farming communities in the semi-arid tropical regions of Africa are becoming particularly vulnerable and face enormous challenges for their survival. Climate change, diminishing and unreliable rainfall, traditional mono culture cropping farming practices, high population growth, frequent famines...  
  3. ทรัพยากรหลัก
    01-01-2012 Asia makes up less than one third (30%) of the world’s land area and yet carries over half (56%) of the world’s population. Moreover, the average population density of Asia becomes a significant long-term problem when food production is considered. Some countries in Asia have a population density...  
  4. (ขออภัยบทความในภาษาไทยยังไมพรอมใหบริการ) In every region of the world it is necessary to find or develop appropriate techniques for agriculture. A large part of the surface of the world is arid, characterized as too dry for conventional rain fed agriculture. Yet, millions of people live in such...  
  5. 01-10-2002 It is not uncommon for people to rely on crops that are not the most suitable for their region. Here is an example from Ethiopia with some suggestions for alternatives.  
  6. ทรัพยากรหลัก
    09-02-2018 Traditional diets included a wide variety of ingredients from myriad wild and domesticated plants. Regional cuisines were shaped by native species in their local environment and by gradually-adopted plants from distant places. The modern global food system and market pressures have reversed this...  
  7. ทรัพยากรหลัก
    01-01-2007 By Dr. F. W. Martin. Published in parts, 1989 and 1994; Revised 1998 and 2007 by ECHO Staff Though nearly all plants are useful in some way, they are not equally valuable. For example, wheat, rice and corn may be considered the most valuable plants in the world based on the vast acreage planted...  
  8. ทรัพยากรหลัก 01-01-1995 Domesticated food producing animals in the world outnumber the human population, two to one. There are thousands of animal species in the world, yet, only a few have been successfully domesticated on a permanent basis and none within the last 2000 years. In fact, five species (cattle, sheep,...  
  9. 25-01-2016 Some tropical crops contain cyanogenic glycosides, toxic substances that release hydrocyanic acid (HCN; also referred to as cyanide or prussic acid) when cells are crushed. Consuming these plants without cooking them can cause cyanide poisoning, with varying effects depending on cyanide levels...  
  10. ทรัพยากรหลัก
    01-01-2011 Often farmers asked for seed, but we weren’t quite sure what to expect when we suggested—to the farmers’ union in Nampula, Mozambique—that they organize a fair in which the members could come together and exchange seed. They might only be interested in “improved” varieties. However, when we...