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A major strategy towards addressing soil fertility depletion is the conservation and sustainable use of rhizobia that are able to fix nitrogen in the soil in association with legumes. The study assessed abundance and diversity of legume nodulating rhizobia (LNB) in soils collected from six differ...


Mwenda, George M.Karanja, Nancy M.Boga, Hamadi M.Kahindi, James M.Muigai, A.M.Odee, D[Abundance and diversity of legume nodulating rhizobia in soils of Embu district, Kenya]Abundance and diversity of legume nodulating rhizobia in soils of Embu district, Kenya

We studied the effect of three successive cuttings on N uptake and fixation and N distribution in Leucaena leucocephala. Two isolines, uninoculated or inoculated with three different Rhizobium strains, were grown for 36 weeks and cut every 12 weeks. The soil was labelled with 50 ppm KNO 3 enriche...


Sanginga, N.Zapata, F.Danso, S.K.A.Bowen, G.D.[Effect of successive cuttings on uptake and partitioning of 15N among plant parts of Leucaena leucocephala]Effect of successive cuttings on uptake and partitioning of 15N among plant parts of Leucaena leucocephala

We examined the suitability of four reference crops, i.e., two non-fixing trees,Cassia siamea andEucalyptus grandis, and two uninoculated fixing trees,Leucaena leucocephala andAcacia albida, for measuring fixed N2 fixed in inoculatedL. leucocephala andA. albida grown for 36 weeks in pots. The15N ...


Sanginga, N.Danso, S.K.A.Zapata, F.Bowen, G.D.[Influence of reference trees on N2fixation estimates in Leucaena leucocephala and Acacia albicia using 15N_ labelling techniques+A51]Influence of reference trees on N2fixation estimates in Leucaena leucocephala and Acacia albicia using 15N_ labelling techniques+A51

Woldemeskel, EndalkachewDegefu, T.Gebo, B.Fikre, AsnakeAmede, TilahunOjiewo, Chris[Phenotypic characteristics and preliminary symbiotic effectiveness of rhizobia associated with haricot bean growing in diverse locations of southern Ethiopia]Phenotypic characteristics and preliminary symbiotic effectiveness of rhizobia associated with haricot bean growing in diverse locations of southern Ethiopia

The introduction of desirable agronomic characteristics into Phaseolus vulgaris L. is being attempted by interspecific hybridization with P. coccineus, but the effects on root nodulation are unknown. Accordingly, cross-inoculation relationships between P. vulgaris ‘Red Kidney’ and P. coccineus ‘S...


Hohenberg, J.S.Munns, D.N.Tucker, C.L.[Rhizobium host specificities in phaseolus coccineus L. and phaseolus vulgaris L.]Rhizobium host specificities in phaseolus coccineus L. and phaseolus vulgaris L.
Kimani, P.M.Gicharu, GKMburugu, NBoga, H.Cheruiyot, R[Nodulation and yield of bush and climbing beans inoculated with rhizobia strains]Nodulation and yield of bush and climbing beans inoculated with rhizobia strains

The different stages of a technique developed by CIAT to increase the N fixation of beans are indicated. In stage 1L, the effectivity of native rhizobial strains is assessed; bean nodulation and N fixation are recorded. In stage 1R , rhizobial strains are isolated, purified, authenticated in the ...


Kipe-Nolt, Judith A.Pineda, P.[Una estrategia para mejorar la fijacion de nitrogeno]Una estrategia para mejorar la fijacion de nitrogeno
Herselman, L.Chotte, Jean-LucThuita, Moses N.Lesueur, Didier[Effects of cropping systems, maize residues application and N fertilization on promiscuous soybean yields and diversity of native rhizobia in Central Kenya]Effects of cropping systems, maize residues application and N fertilization on promiscuous soybean yields and diversity of native rhizobia in Central Kenya

Six Rhizobium leguminosarum bv. phaseoli strains (Ciat 151, Ciat 895, Ciat 899, CE3, H2C, Kim5s) were tested for nodule occupancy in different bean cultivars at two field sites (one fertile, one acid tropical soil) and in the greenhouse. The effects of several environmental factors such as low pH...


Wolff, ABStreit, WKipe-Nolt, Judith A.Vargas, H.Werner, D[Competitiveness of Rhizobium leguminosarum bv. phaseoli strains in relation to environmental stress and plant defense mechanisms]Competitiveness of Rhizobium leguminosarum bv. phaseoli strains in relation to environmental stress and plant defense mechanisms

A survey of selected fields in bean growing regions of Tanzania and a more detailed survey of bean fields in the Lushoto area of northern Tanzania were carried out to establish soil properties limiting the extent of root nodulation of Phaseolus vulgaris L. Soil samples were collected and soil pH,...


Amijee, FGiller, Ken E.[Environmental constraints to nodulation and nitrogen fixation of Phaseolus vulgaris L. in Tanzania. I. A survey of soil fertility, root nodulation and multi-locational responses to Rhizobium inoculation]Environmental constraints to nodulation and nitrogen fixation of Phaseolus vulgaris L. in Tanzania. I. A survey of soil fertility, root nodulation and multi-locational responses to Rhizobium inoculation

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