关键资源2001-10-01 This booklet assembles under one cover the 97 factsheets and highlights published by the Forest, Farm and Community Tree Network (FACT Net) and its predecessor the Nitrogen Fixing Tree Association (NFTA) between 1985 and 1999. These 2 to 4 page bulletins are concise summaries of important...
关键资源1994-01-02 Tree legumes serve a multitude of purposes in agriculture and forestry, including forage for animal production, fuel wood and timber production, soil conservation and fertility improvement. Their role and potential is being increasingly recognized for both intensive and extensive agroforestry...
1998-01-01 Fodder scarcity is a major constraint faced by farming communities throughout the world. This is often the result of the degradation of traditional fodder sources in forest and village common lands. Consequently, to meet their needs, farmers must produce at least some fodder in their agricultural...
2012-01-01 Strong gradients of decreasing soil fertility are found in many regions of the world. Millions of smallholders are now facing this serious crisis which causes them lower crop yields, and many of these families also suffer from food insecurity. With the aim of promoting recovering soil fertility...
关键资源1979-01-19 This National Academy of Sciences report describes plants of the family Leguminosae, all of them greatly underexploited. Some are extensively used in one part of the world but unknown elsewhere; others are virtually unknown to science but have particular attributes that suggest they could become...