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008			100921s2007 ne abd sbm 000 0 eng d
020			_a9781439828540 (ebook : PDF)
040			_aBD-DhSAU _cBD-DhSAU
043			_af-et---
090			_aS604 _b.L49 2007
092			_a631.58 _bL683
100	1		_aLeye, Melesse Temesgen, _d1964-
245	1	0	_aConservation tillage systems and water productivity implications for smallholder farmers in semi-arid Ethiopia _h[electronic resource] : _bDISSERTATION submitted in fulfilment of the requirements of the Board for Doctorates of Delft University of Technology and of the Academic Board of the UNESCO-IHE Instittue for Water Education for the Degree of DOCTOR, to be defended in public on Tuesday, 20 February 2007 at 10:00 hours in Delft, the Netherlands / _cby Melesse Temesgen Leye.
260			_aLeiden : _bTaylor & Francis/Balkema, _c2007.
300			_axiii, 113 p. : _bill. (some col.), maps (some col.)
504			_aIncludes bibliographical references (p. 99-110).
505	0		_aIntroduction -- Research background and hypotheses -- Traditional tillage systems of smallholder farmers in semi-arid areas of Ethiopia -- Maresha modified implements for conservation tillage -- Water productivity of strip tillage systems for maize production in semi-arid Ethiopia -- Water productivity of improved and minimum tillage systems for TEF production in semi-arid Ethiopia -- Conclusions and recommendations.
530			_aAlso available in print edition.
538			_aMode of access: World Wide Web.
650		0	_aConservation tillage _zEthiopia.
650		0	_aSoil management _zEthiopia.
650		0	_aArid regions agriculture _zEthiopia.
655		7	_aElectronic books. _2lcsh
776	1		_z9780415439466
776	1		_z0415439469
856	4	0	_uhttp://marc.crcnetbase.com/isbn/9781439828540 _qapplication/PDF
999			_c11626 _d11625