The Global Spread Of Conservation Agriculture Download Scientific Diagram The spread of conservation agriculture: justification, sustainability and uptake1. amir kassam1,*, theodor friedrich2, francis shaxson3and jules pretty4. 1school of agriculture, policy and development, university of reading, whiteknights, po box 237, reading, uk; 2plant production and protection division, food and agriculture organization (fao. Abstract. conservation agriculture (ca) comprises the practical application of three interlinked principles, namely: no or minimum mechanical soil disturbance, biomass mulch soil cover and crop species diversification, in conjunction with other complementary good agricultural practices of integrated crop and production management.
Spread Of Conservation Agriculture Youtube Stress factors. degradation of agricultural land and ecosystem services must be avoided by all means. agricultural land degraded by past abuse must be rehabilitated [2]. the alternative no till system paradigm known as conservation agriculture (ca) can meet all these objectives [2,4,7–10]. ca save on energy and mineral nitrogen use in. Conservation agriculture (ca) has been practised for three decades and has spread widely. we estimate that there are now some 106 million ha of arable and permanent crops grown without tillage in. As t able 2 shows some 66.4 m ha (42%) of the total global. area under ca is in south america, corresponding to some 60. % of the cropland in the region, and some 54 m ha (34%) is. in the usa and. 1.2 deinition and description of conservation agriculture. according to fao, conservation agriculture (ca) is an approach to managing agro ecosystems for improved and. sustained productivity, increased proits and food security. while preserving and enhancing the resource base and the environment.
What Is Conservation Agriculture вђ Cimmyt As t able 2 shows some 66.4 m ha (42%) of the total global. area under ca is in south america, corresponding to some 60. % of the cropland in the region, and some 54 m ha (34%) is. in the usa and. 1.2 deinition and description of conservation agriculture. according to fao, conservation agriculture (ca) is an approach to managing agro ecosystems for improved and. sustained productivity, increased proits and food security. while preserving and enhancing the resource base and the environment. 125 m ha in all continents and all agricultural ecologies, including in the various temperate environments. while in 1973 74 ca systems covered only 2.8 m ha worldwide, the area had grown in 1999. Ca in recent. years has become a fast growing production system. while in 1973 74 ca was applied on only 2.8 m ha worldwide (figure 1), the area had grown to 6.2 m ha in 1983 84 and to 38 m ha in 1996 97 (derpsch, 1998). in 1999, worldwide adoption was 45 m ha, and by 2003 the area had grown to 72 m ha.
Infographie L Agriculture De Conservation Ministгёre De L 125 m ha in all continents and all agricultural ecologies, including in the various temperate environments. while in 1973 74 ca systems covered only 2.8 m ha worldwide, the area had grown in 1999. Ca in recent. years has become a fast growing production system. while in 1973 74 ca was applied on only 2.8 m ha worldwide (figure 1), the area had grown to 6.2 m ha in 1983 84 and to 38 m ha in 1996 97 (derpsch, 1998). in 1999, worldwide adoption was 45 m ha, and by 2003 the area had grown to 72 m ha.
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