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Special issue Vol 65 nos 1 & 2 (July and October, 1999)

CONTENTS Page
Improving and Sustaining the National Soil and Water Resource Base to Meet the Challenge of Poverty Alleviation and Food Security:

Proceedings of the land and Water Management Conference

SESSION 1 - OPENING

  
  Opening Presentation – Commercialisation and sustainable financing for natural research resources research services.
C G Ndiritu and R M Kiome, KARI HQ, Nairobi, Kenya 		iii
  Key note Address – Natural Resources Management Research: Soil Fertility Replenishment in Kenya.
Pedro Sanchez, ICRAF, Nairobi, Kenya 		ix
SESSION IIA - SOIL FERTILITY AND PLANT NUTRITION  
  Nitrogen and carbon mineralisation of some manure produced under different management systems in central Kenya.
S K Kimani, N Mangale, J Wamuongo, M Gichuru and C A Palm 		1
SESSION IIB - SOIL FERTILITY AND PLANT NUTRITION  
  Bean canopy response to irrigation, nitrogen fertiliser application and planting density under temperate and tropical weather conditions.
M W K Mburu, L P Simmonds and C J Pilbeam 		7
  Bean growth and yield response to irrigation, nitrogen fertiliser and planting density under temperate and tropical weather conditions.
L P Simmonds, M W K Mburu and C J Pilbeam 		21
  Effects of phosphorus recapitalisation and agroforestry on soil, water and nutrient conservation in phosphorus-deficient soils of western Kenya.
M R Rao, G Mwasumbu, M N Muthuva, A AH Khan and P C Smithson 		37
SESSION III – IRRIGATION
DRAINAGE AND WATER HARVESTING 		 
  Water application methods and water use efficiency for tomatoes production in the semi-arid areas of eastern Kenya.
S N Nguluu, J K Itabari, B M Ikombo, J M Wambua and E M Gichangi 		51
  Rainwater management for dry spell mitigation in semi-arid Kenya.
J Barron, J Rockstrom and F Gichuki 		57
  Characterisation of the flow regime of the Ewaso Ngiro North River.
F Gichuki, P Gichuki and R K Muni 		71
  The effects of grass strips on the terrace development and crop yield.
F K Kinoti, C K K Gachene and N N Gitonga 		79
SESSION IV – SOIL AND WATER CONSERVATION  
  Trapping water, producing wood and improving yields through rotational woodlots on degraded parts of bench terraces in Uganda.
T Raussen, D Siriri, and C Ong 		85
  Soil productivity under differnet soil conservation measures in the Harerge highlands of Ethiopia.
B W Bobe and C K K Gacheme 		95
  Conservation tillage systems for dryland farming: On-farm extension and research experiences.
J Rockstrom and L O Jonsson 		101
  Hydraulic properties of Andasols following deforestation in the northern slopes of Mount Kenya.
G kironchi, J P Mbuvi and F N Gichuki 		115
  Effects of land management on runoff, erosion and crop production in a semi-arid area of Kenya.
G E Okach and C S Simiyu 		125
  Evaluation of long-term effects of management on land productivity in a semi-arid area of Kenya.
G E Okach and C S Simiyu 		143
  Use of Landsat thematic mapper and aerial photographs in soil erosion assessment.
T O Mboya, P Mtakwa and P Rnick 		157
SESSION V: INTEGRATED APPROACHES IN LAND AND WATER MANAGEMENT
RESEARCH/LAND AND WATER MANAGEMENT ECONOMICS AND POLICY 		 
  Socioeconomic implications of improved forage species on smallholder farms in Kenya.
F Nmuyekho, D T Cheruiyoti and G Kapkusum 		167


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