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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

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
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

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