Innovations in Dryland Agriculture
456 without addressing this major system constraint. The proximate drivers of land deg- radation include forest clearance and su ...
457 (Saka et al. 1999 ), based on fertiliser prices prevailing in the 1990s. A study by Nakhumwa ( 2004 ) showed that the severi ...
458 SSA, where about 70 % of the land falls within drought-prone arid, semiarid zones. Unlike conventional approaches, it focuse ...
459 better- off households can afford dozens of cattle and goats and large numbers of chicken (Amede et al. 2014a). Livestock nu ...
460 Available arable land per capita Number of crops that can be grown per year Market access to animal products Labour availab ...
4 61 4 Land Tenure and Use There are three major categories of land tenure system in the dryland regions of SSA, namely public l ...
462 required infrastructure. Besides the fact that most of the districts are far from the centre of powers of the respective cou ...
463 6 Conclusions and Future Research Thrusts Dryland systems in SSA have been affected by recurrent drought, which has been agg ...
464 Amede T, Awlachew S, Matti B, Yitayew M (2014b) Chapter 26: Managing rainwater for resilient dryland systems. In: Melesse A, ...
465 FAO (2006) AQUASTAT. Malawi, Zambia and Mozambique. http://www.fao.org/nr/water/aqua- stat/countries_regions/malawi/index.st ...
466 NSO (National Statistical Office) (2010) National census of agricultural and livestock 2006/2007. Main report Oldeman LR (19 ...
Part V Innovations in Dryland Agriculture ...
© Springer International Publishing AG 2016 469 M. Farooq, K.H.M. Siddique (eds.), Innovations in Dryland Agriculture, DOI 10.10 ...
470 Globally, drylands hold 241 Pg of SOC (Eswaran et al. 2000 ), almost 40 times higher C as compared to the addition into atmo ...
471 higher (1–2 t ha−^1 ) than the croplands (Jenkinson and Rayner 1977 ). Grasses also sequester more C than leguminous cover c ...
472 Table 2 Strategies of soil management in dryland ecosystems for carbon sequestration Strategy Practice Carbon sequestered Lo ...
473 soil C storage by 0.1–0.3 t ha−^1 year−^1 , and for new grasslands this can rise up to 0.6 t ha−^1 year−^1 (Jenkinson et al. ...
474 2.3 Fallows In case of fallows, preservation of vegetation cover is important if there is no crop- ping. Especially, in dryl ...
475 soil C stock, indicated that CO 2 release and soil C level from zero or reduced till were more than the conventional tillage ...
476 The production, and application of herbicides to no-till system of the Great Plains, is approximately 0.02 t C ha−^1 (Kern a ...
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