000			02950nam a22004337a 4500
001			G67784
003			MX-TxCIM
005			20211006075635.0
008			121211s ||||f| 0 p|p||0|| |
020			_a970-648-006-4
040			_aMX-TxCIM
072		0	_aF04
072		0	_aP35
082	0	4	_a631.45 _bWAD
100	1		_aMaobe, S.N. _uSoil Fertility Research for Maize-Based Farming Systems in Malawi and Zimbabwe; Mutare, (Zimbabwe); 7-11 Jul 1997. Proceedings of the Soil Fertility Network Results and Planning Workshop
110	2		_aCentro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico)
245	0	0	_aScreening of soil-improving herbaceous legumes for inclusion into smallholder farming systems in Kenya
260			_aHarare (Zimbabwe) _bSoil Fert Net|CIMMYT : _c1998
340			_aPrinted
520			_aSmallholder farming in many parts of Kenya is mainly constrained by declining soil fertility. The use of inorganic fertilizers is limited by their high costs and erratic availability. Incorporating green manure legumes into the cropping systems can be a cheaper alternative of alleviating soil infertility and soil erosion. However, a major problem with the use of soil-improving legumes is the lack of species suited to the different agro-ecological zones and soil types of Kenya. In 1994 a Legume Screening Network was formed primarily to identify promising species for the different regions in Kenya. About forty species were screened in eleven sites spread across the country. Identification of promising species was based on biomass production, nodulation and nitrogen fixation, ground cover, pests and disease resistance. The effects of planting and harvesting dates on the species were evaluated. Two years of results identified promising green manure legumes and they included Lablab purpureus cv Rongai, Mucuna pruriens, Vicia dasycarpa, Vicia benghalensis, Crotalaria juncea and Crotalaria ochreleuca. Planting at the onset of rains was associated with lower levels of pest infestation and disease incidence. The best harvesting date was the one that gave species a longer growing period. The selected herbaceous legume species are being evaluated under local farming systems with active farmer participation for inclusion in smallholder farming systems.
546			_aEnglish
591			_a9906|AGRIS 9902|R98-99ANALY
593			_aJose Juan Caballero
595			_aCPC
650	1	0	_91897 _aBiomass _gAGROVOC
650	1	0	_aGreen manures
650	1	0	_aKenya _91167
650	1	7	_aSmall farms _gAGROVOC _2 _91260
650	1	0	_aTrials
653	0		_aCIMMYT
653	0		_aSoil Fert Net
650	1	0	_91952 _aSoil fertility _gAGROVOC
650	1	0	_91313 _aYields _gAGROVOC
650	1	0	_91109 _aFarming systems _gAGROVOC
700	1		_aDyck, E.A., _ecoaut.
700	1		_aMureithi, J.G., _ecoaut.
700	1		_aWaddington, S.R.|Murwira, H.K.|Kumwenda, J.D.T.|Hikwa, D.|Tagwira, F. _eeds.
942			_cPRO
999			_c4243 _d4243