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Despite the widespread use of Leucaena leucocephala in alley cropping systems, little information is available on the effect of different magagement practices on its nitrogen fixation. We studied the effects of three successive cuttings at 12 week intervals on nodulation and nitrogen fixation of ...


Sanginga, N.Zapata, F.Danso, S.K.A.Bowen, G.D.[Effect of successive cuttings on nodulation and nitrogen fixation of Leucaena leucocephala using 15N dilution and the difference methods]Effect of successive cuttings on nodulation and nitrogen fixation of Leucaena leucocephala using 15N dilution and the difference methods

Biological N2 fixation (BNF) of hedgerow trees, organic mailer decomposition and nutrient transfer to associated food Crops are the major processes which should actualize the expected benefits of alley cropping systems. Leucaena leucocephala or Gliricid,a sepium can fix between 134 and 274 kg N2 ...


Sanginga, N.Mulongoy , K.[Increasing biological N2 fixation and its contribution to the N cycle in alley cropping]Increasing biological N2 fixation and its contribution to the N cycle in alley cropping
Autor: Danso, S.K.A.

Twenty strains of cowpea Rhizobium have been screened to date for their ability to form nodules and to fix nitrogen using the Leonard jar assembly. The strains were tested on Ife Brown, TVu 1190, and TVx 222-01B. From among the twenty, four promising strains were selected. The nodulation and nitr...


Danso, S.K.A.[Initial studies on the legume: rhizobium symbiosis]Initial studies on the legume: rhizobium symbiosis
Kipe-Nolt, Judith A.Montealegre M, CMTohme, Joseph M.[Restricción en la nodulación por parte de Phaseolus vulgaris L. para superar el problema de competencia en R.I. bv. phaseoli]Restricción en la nodulación por parte de Phaseolus vulgaris L. para superar el problema de competencia en R.I. bv. phaseoli

Host-determined traits influence nodule initiation, development, and function. and can be of major importance to the proper functioning of the legume Rhizobium symbiosis under field conditions. Thls paper reviews such traits and considers their implications for practically oriented breeding progr...


Graham, Peter H.[Plant factors affecting symbiotic nitrogen fixation in legumes]Plant factors affecting symbiotic nitrogen fixation in legumes
Sylvester-Bradley, RosemaryMosquera P, D.Méndez, JE[Selection of rhizobia for inoculation of forage legumes in savanna and rainforest soils of Tropical America]Selection of rhizobia for inoculation of forage legumes in savanna and rainforest soils of Tropical America

The effect of soil fertility on the response of field beans (Phaseolus vulgaris L.) to inoculation with Rhizobium leguminosarum bv. phaseoli was investigated at five sites in northern and central Malawi. A split-plot design consisting of (a) un-inoculated plants, (b) inoculated plants and (c) N-f...


Lupwayi, N.Z.Mkandawire, A.B.C.[Improved soil fertiliy increases nodulation of Phaseolus beans]Improved soil fertiliy increases nodulation of Phaseolus beans
Sylvester-Bradley, RosemaryMunevar M, F[Estrategias para la integracion de la rizobiologia en programas de seleccion de leguminosas forrajeras tropicales]Estrategias para la integracion de la rizobiologia en programas de seleccion de leguminosas forrajeras tropicales
Pizarro, Esteban A.[Investigaciones de apoyo en la evaluacion sistematica de pasturas dentro de la RIEPT]Investigaciones de apoyo en la evaluacion sistematica de pasturas dentro de la RIEPT
Autor: Haque, I.

Crop livestock production systems in Africa are constrained by wide fluctuations in the quality and quantity of feed resources during the year and by the low availability of nutrients, especially nitrogen and phosphorus, in most soils, which threatens the sustainability of primary production. In ...


Haque, I.[Use of legume biological nitrogen fixation in crop/livestock production systems]Use of legume biological nitrogen fixation in crop/livestock production systems

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