Working Document Series Open Access Participatory natural resources management plan of canhane community, Massingir district, southern Mozambique Aniceto Chaúquem · Jao Chin · Natasha Ribeiro · Almeida. Sitoe We conducted a participatory mapping of natural resources and woody biomass estimation in Canhane Community, Massingir District in Mozambique. The aim of this study was to identify problems and opportunities for natural resources managemen… RUF-34684 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Enhancing Callus induction and embrogenic cell suspension development in East African highland banana G. Arinaitwe · P. Gibson · A. Kiggundu · S.B. Mukasa +3 more Improvement of banana using conventional breeding methods is very difficult due to its biology. Genetic transformation is a novel alternative approach for crop improvement. Transformation of EA-AAA bananas has, however, been limited by dif… RUF-34682 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Regeneration dynamics of woody species in degraded natural forests in western Kenya Wellington Ekaya · J. Kinyamario · J. Otuoma Deforestation has become rampant in many areas in Kenya due to pressure on land resulting from human population increase. Efforts to rehabilitate areas that have been deforested have had little success due to the limited knowledge of veget… RUF-34678 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Effects of lime and phosphorus fertilizer on maize performance in acid soils of western Kenya J.R. Okalebo · V.S. Omenyo · C.O. Othieno Western Kenya continues to experience food insecurity due to increasing soil acidity and consequent phosphorus deficiencies with 0.9 million hectares of land having pH < 5.5. Liming is one of the interventions recommended to ameliorate … RUF-34675 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Strengthening researcher-extension-farmer participation in soil fertility restoration for sustainable crop production in western Kenya E. Adipala · B. Amar · L. Didier · S.O. Gudu +14 more Food insecurity in sub-Saharan Africa (SSA) results mainly from common and prolonged droughts, fertility depleted soils, poor economies and insignificant researcher-extension-farmer contacts to demonstrate technologies. The soils are predo… RUF-34673 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Inheritance of resistance to Fusarium root rot in three common bean genotypes P. Gibson · S.T. Nkalubo · P.O. Ongom · P. Rubaihayo Fusarium solani f. sp phaseoli (FSP) is an important disease in Uganda causing in some cases 100% yield losses in beans. The study established the nature of inheritance to FSP resistance in genotypes RWR 719, NABE 14 and NABE 13. A 5x5 ful… RUF-34670 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Improving biological nitrogen fixation (BNF) by groundnuts grown in acid soils through amendment with calcitic and dolomitic limestones R. Merckx · J.K. Ogega · J.R. Okalebo · D.K. Okello +5 more Groundnut (Arachis hypogeal L.) is an oil crop legume capable of symbiotic nitrogen fixation. Soil acidity is a major limitation to symbiotic nitrogen fixation. Acid soils are widespread in Western Kenya and Eastern Uganda where groundnut … RUF-34659 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Effects of innovative farmer practices in soil fertility and water management on soil productivity and maizeand leafy vegetable production in Harare, Zimbabwe S. Madyiwa · J. Nyamangara · B. Nyamasoka · P. Nyamugafata Poor soil fertility and increased frequency of mid-season droughts due to climate change have made it difficult for urban farmers to get sustainable crop yields especially on sandy soils. Higher yields can be attained by urban farmers if p… RUF-34657 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Soil survey information for sustainable agriculture in Ikwuano local Government area Abia State South East Nigeria G.E. Akinbola · B.O. Nuga A semi-detailed soil survey of the land of Ikwuano Local Government Area Abia State South East Nigeria was undertaken. The soils were sampled with the aid of soil auger to identify major soil types and their morphological properties (e.g. … RUF-34655 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Analysis of drought tolerance in selected upland rice genotypes in Uganda Y. Baguma · J. Lamo · B.S. Namazzi · P. Okori Breeding for drought tolerance requires a clear understanding of the mode of gene action for this trait. To understand the action of drought tolerance genes in upland rice varieties in Uganda, a study was carried out to establish the gener… RUF-34652 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Lime requirement of selected acid soils of Lesotho and response of field beans to lime application M.V. Marake · T. Nkheloane A greenhouse experiment was undertaken to evaluate the effects of lime application (at different rates) on soil pH, exchangeable aluminium (Al3+) and plant response to lime application across four of the strongly acidic soils series of Les… RUF-34651 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access The effect of super phosphate and planting density on mini-tuber production from true potato seed T. A. Mtaita · M. Mutetwa · M. D. Shoko Improving tuber seed quality and availability is institutionally complex in the tropics and sub-tropics. The main objective of this work was to evaluate the effect of superphosphate and plant density on mini-tuber production from true pota… RUF-34649 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Enhancing water use efficiency of cassava and sorghum based cropping systems in drylands G. Kironchi · R. Mulebeke · M. M. Tenywa Soil moisture flow characteristics, infiltration and storage in the root zone determine the overall availability and use efficiency of water in crop production. This study is evaluating the effects of cropping systems and tillage managemen… RUF-34646 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Adaptability of rice cultivars to different ecologies in western province of Zambia D.M Lungu · C. Mutale · F. P Muuka Rice in Zambia has traditionally been grown in lowland flooded or semi-flooded environments. These environments are unfortunately only a small portion of Zambia, occupying only 1% of the total land. The increase in food demand in the count… RUF-34643 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Translating integrated soil fertility management empirical knowledge into action through participatory learning and marketing with farmers in Zimbabwe R. Chikowo · D. Dhliwayo · P. Mapfumo · F. Mtambanengwe +1 more In this paper we report on findings from a co-learning experience we undertook with smallholder farmers in two areas in Zimbabwe aimed at developing their capacity to apply integrated soil fertility management (ISFM) options to improve foo… RUF-34639 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Study of heavy metal contamination along roadside soils of Botswana G.K. Gaboutloeloe · A.S. Likuku · B.E. Mochoge This study examined presence of heavy metals (aluminium, cobalt, copper, iron, lead, manganese, nickel and zinc) along Botswana roads. These metals are toxic to human and animals. The mean values of these metals were below toxic range, ind… RUF-34637 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Improving soil nutrients and water management to increase crop yield for enhanced livelihoods of small scale farmers in semi-arid eastern Kenya B.O. Danga · K.B. Mmolawa Food insecurity in Kenya is on the increase unless appropriate measures are taken. This is because nearly 80% of the land is arid to semi-arid and therefore not favorable for crop production using the current methods of production. The iss… RUF-34636 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Improving smallholder irrigation performance in Malawi D. Kadyampakeni · C. Makwiza · H.R. Mloza-Banda The paper reports work aimed at improving livelihoods of smallholders by providing investors, policymakers and implementers with concrete knowledge and tools to make informed investment decisions on small-scale irrigation water management … RUF-34630 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Constraints of rehabilitating degraded semi-arid lands of Kenya using indigenous perennial grasses W.N. Ekaya · K.Z. Mganga · W.M. Muiru · N.K.R. Musimba +3 more Land degradation which among others include loss of vegetation is rampant in Kenya, destroying both the fragile arid and semiarid lands and the non-arid areas. Efforts to rehabilitate semiarid areas by re-vegetation has often failed. This … RUF-34628 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Evaluating the macropropagation efficiency of banana varieties preferred by farmers in Eastern and Central Kenya N. Gitonga · M.R. Kasyoka · N. Kori · R. Muasya +1 more Kenyan farmers are threatened by overreliance on few crops whose yields are reduced by adverse climatic changes. Bananas are more resilient and produce year round, making it a more suitable crop. To increase banana production, farmers shou… RUF-34627 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Assessment of water quality in Mohale dam and associated rivers in Lesotho M. Johanne · R. Mating · A.O. Olaleye The study assessed Mohale dam and the associated rivers’ water quality over 5 years and comparing it to the water quality standards. It was believed that since this dam and the rivers occurred at elevations of between 2000m and 2900m above… RUF-34619 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Inheritance of resistance to bacterial blight and implication for rice improvement in Uganda G. Asea · R. Edema · P. Gibson · I. Habarurema +1 more Bacterial blight caused by Xanthomonas oryzae pv.oryzae, is a destructive disease of rice worldwide. Resistant varieties are the best option to avert the disease. Thirty resistance genes identified face a wide genetic diversity exhibited b… RUF-34618 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Importance and approaches of obtaining experimental uniformity P. Gibson The need for a high degree of experimental uniformity is clearly shown by the fact in an experiment that results in a CV (coefficient of variation) of 20%, 8 replications would be required to detect the size of difference between treatment… RUF-34616 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Farmer - managed trials for evaluation of rhizatech and legumefix in Bungoma district Kenya C. Majengo · W. Ngetich · J.R. Okalebo · C.O. Othieno The nitrogen reserve of agricultural soils must be replenished periodically in order to maintain an adequate level for crop production. This replacement of soil nitrogen is generally accomplished by the addition of fertilizers or as produc… RUF-34615 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Grain filling patterns of CIMMYT early maize inbred lines R. Edema · E. Gasura · P. Gibson · P. Okori +2 more Despite the ability of early maize to escape drought and provide food early, it yields 20-30% less than late maize. The challenge is to increase yield while maintaining earliness. A study is ongoing at CIMMYT, Harare to determine whether g… RUF-34614 2010 CC BY 4.0 8 Sep 2015
