parts of the world (Hobbs et al., 2008). The overall goalet al., 2003).et al., 2005;et al., 2008). This is largelyet al. (2009) show that a
of conservation agriculture is to make better use of
agricultural resources (than does conventional
agriculture) through the integrated management of
available soil, water and biological resources such that
external inputs can be minimized (Awang and May,
2009; FAO, 2001; Garcia-Torres
There are empirical investigations that show
benefits and positive impacts of conservation agriculture
at the farm and regional/national scales socially and
financially (Knower, 2003; Nash
Stonehouse, 1997; Sorrenson
true because of reduced costs for machinery, fuel and
labor, combined with unchanged or improved yields over
time. Beyond the practice of conservation tillage alone,
Knowler (2003) and Elobaid
great number of soil conserving practices typically
produce net financial benefits for adopters, over one
hundred farm-level financial analyses from Sub-Saharan
Africa and Latin America/Caribbean.
In Europe, findings by Lahmar (2010) revealed that
cost savings in fuel, labor and machinery remain the
most important economic feature of CA.
Extension access and NGO support (NGO)
significantly influenced adoption of different
components of conservation agriculture. Where
government extension officers have been working
closely with NGO staff in promoting the technology,
they have become an important source of backup
technical support (Mazvimavi and Twomlow, 2009).
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