Working Document Series Open Access Short-Term Effects of Soil Fertility, Tillage and Residue Management on Soil Organic Carbon, Aggregate Stability and Water Infiltration on a Sandy Soil in Urban Agriculture, Harare S. Madyiwa · J. Nyamangara · B. Nyamasoka · P. Nyamugafata +1 more Manure is a key nutrient resource to urban farmers due to its multiple benefits, especially on inherently infertile sandy soils. Research on cattle manure in sub-Saharan Africa has mainly focused on its role in supplying N required by crop… RUF-32009 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Improving Maize-Beans Yields Through Improved Soil Moisture Storage using Trapezoidal Bunds and Manure in Machakos County-Eastern Kenya B.O. Danga · B.E. Mochoge · G.S. Openda The tremendous increase in population in Kenya has created the need for faster rate of increase in food production. However, more than 80% of Kenya lies in the arid and semi arid lands (ASALs). To mitigate food shortages in such areas, the… RUF-31997 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access NP Fertiliser Rate Response of Maize and Sorghum Succeeding Sole or Intercropped Haricot Beans Tolera Abera The role precursor crops significantly reflected on the preceding crops grown following them. Considering this a trial was conducted to asses the effects of haricot bean varieties grown as sole and intercropped on N/P rate response of succ… RUF-31880 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Effects of NP Fertilisers and Manure Application on Maize-bean Yields, and Soil Nitrogen Mineralisation in Machakos County, Eastern Kenya C. Kibunja · B.E. Mochoge · N. Ogucha The inherent poor fertility of soils in Kenya constitute a major constrain to sustainable smallholders agriculture and more especially in arid and semi-arid parts of the country. The solution herein lies in the efficient use of nutrients a… RUF-31846 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Improving Soil Properties Through Use of Unburnt Local Limes in Acidic Soils of Burera District, Rwanda J.N. Mugwe · A. Nduwumuremyi · V. Ruganzu This study was carried out at Rwerere Research Station located in the highlands of Buberuka, Rwanda. Three local limes (Musanze, Rusizi and Karongi) were evaluated in a randomized complete block design (RCBD)) experiment established in Sep… RUF-31834 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Growing Tithonia Diversifolia for Fertility Restitution of Technosols from Coltan Mined Soils of Gatumba, Rwanda B. Mochoge · F. Naramabuye · A. Ndoli · Rolf Nieder The present study was conducted to evaluate the capacity of Tithonia diversifolia to mobilise nutrients and the ability of technosols to produce tithonia biomass for fertility restitution. A greenhouse pot experiment was conducted and tith… RUF-31830 2012 CC BY 4.0 8 May 2014
Working Document Series Open Access Determinants of Adoption and Utilisation of Integrated Soil Fertility Management by Small Holders in Central Kenya S.W. Kimaru · F.S. Mairura · M.W. Mucheru-Muna · D.N. Mugendi +1 more Per capita food production in Africa has been declining over the last two decades, contrary to global trends due to soil fertility decline. The study sought to determine factors that influence adoption and utilization of integrated soil fe… RUF-31824 2012 CC BY 4.0 8 May 2014
Theses & Dissertations Open Access Impact of Tree Species on Maize Productivity by Smallholder Farmers in Eastern Kenya Elton Ndlovu Low maize productivity due to declining soil fertility is a major problem faced by smallholder farmers in Eastern Highlands of Kenya. Adoption of agroforestry which has a huge potential to halt land degradation on farms is however, very lo… RUF-31729 2013 CC BY 4.0 7 Apr 2014