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Economic benefits of maize and legumes (common bean and dolichos lablab) intercrop as influenced by rhizobial inoculation

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dc.contributor.author Massawe, Prosper I.
dc.contributor.author Mtei, Kelvin M.
dc.contributor.author Munishi, Linus K.
dc.contributor.author Ndakidemi, Patrick A.
dc.date.accessioned 2019-05-21T08:24:31Z
dc.date.available 2019-05-21T08:24:31Z
dc.date.issued 2017-04-04
dc.identifier.issn 1990-6145
dc.identifier.uri http://dspace.nm-aist.ac.tz/handle/123456789/106
dc.description Research Aericle published by Asian Research Publishing Network (ARPN) VOL. 12, NO. 4, APRIL 2017 en_US
dc.description.abstract This study was conducted to assess the economic benefits of maize-legumes intercrops as influenced by Rhizobium inoculation. To achieve this aim, field experiments were conducted at Selian Agricultural Research Institute (SARI) farm in northern Tanzania for two cropping seasons. A randomized complete block design was used in a 3-factorial arrangement with two levels of Rhizobium (with and without rhizobia), 2 legumes (Phaseolus vulgaris and Lablab purpureus) and 5 cropping systems (sole maize or sole legumes, 1 row maize to 1 row legumes (1:1) i.e. 0 m or 0.45 m of legume from maize row, 1 row maize to 2 rows of legumes (1:2) i.e. 0.1 m or 0.2 m of legumes from maize rows). Economic analysis was done based on simple fiscal analysis. Land equivalent ratios (LERs) for maize-legumes intercrops were greater than 1 in both cropping seasons indicating resource use efficiency in intercrops compared with sole crop. The LERs in this study provided insight that, in order to produce the same yields of both legumes and maize in the separate, more than 100% of land will be required. The results further showed that Rhizobium inoculation significantly (P ≤ 0.001) increased marginal net return (MNR) and marginal rate return (MRR) for both maize and legumes in the two cropping seasons. The intercrop maize was most profitable than sole maize with an increase of more than 25% compared with sole maize. In conclusion Rhizobium inoculation in the maize legumes intercrops resulted in superior and robust improvements in crop yields and therefore economic benefits, relative to the uninoculated plots. These led to high net return per dollar of investment and marginal returns in the intercropped plot followed by sole legumes. en_US
dc.language.iso en_US en_US
dc.publisher Asian Research Publishing Network en_US
dc.rights Attribution-NonCommercial-ShareAlike 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/ *
dc.subject land equivalent ratio en_US
dc.subject grain yields en_US
dc.subject marginal net return en_US
dc.subject marginal rate return en_US
dc.subject cropping systems en_US
dc.title Economic benefits of maize and legumes (common bean and dolichos lablab) intercrop as influenced by rhizobial inoculation en_US
dc.type Article en_US


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