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Integrating Mechanical Weeding and Planting for Reduced Labour Input in Paddy Rice under System of Rice Intensification (SRI)

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dc.contributor.authorKathia, Mercy Kangai
dc.contributor.authorMati, Bancy
dc.contributor.authorNdiiri, Jackline
dc.contributor.authorWanjogu, Raphael
dc.date.accessioned2024-06-20T07:10:38Z
dc.date.issued2019
dc.description.abstractThe System of Rice Intensification (SRI) has been attributed to improvement in rice production with various attributes being accrued from application of the SRI Principles. The most notable are savings on water use and increase in yield. Alternate Wetting and Drying (AWD) has also paved way for mechanical weed control in paddy fields. One of the major constraints to adoption of SRI is the perceived increased labour input due to the careful transplanting and frequent weed control. This paper evaluates the effect of mechanization on labour input in SRI in comparison to the less mechanized farmer practice. In attempt to reduce drudgery in transplanting under SRI, the drum seeder was used to establish the rice crop by direct seeding. This was then followed by using SRI practices i.e. AWD and mechanical weeding. Direct seeding using a drum seeder was compared to transplanting in both SRI and the common farmer practice. Hand weeding was also evaluated and compared to mechanical weeding. Labour input cost was also compared to the income accrued from the yields. From the study, it was noted that direct seeding using the drum seeder reduced labour input by 97% compared to transplanting. This was possible in that in direct seeding, and there was no nursery preparation and management as in transplanting. The use of a mechanical weeder reduced labour input by 28.3% in relation to hand weeding. Labour input cost for SRI was cheaper (Kshs. 124,080 per hectare) compared to the common farmer practice (Kshs. 139,117.50 per hectare). There was more yield from the SRI practice (2.75 Ton/ha) compared to the common farmer practice (1.88 Ton/ha).
dc.description.sponsorshipAfrican Institute for Capacity Development -AICAD
dc.identifier.citationKathia, M. , Mati, B. , Ndiiri, J. and Wanjogu, R. (2019) Integrating Mechanical Weeding and Planting for Reduced Labour Input in Paddy Rice under System of Rice Intensification (SRI). Agricultural Sciences, 10, 121-130. doi: 10.4236/as.2019.102010.
dc.identifier.urihttps://www.scirp.org/journal/paperinformation.aspx?paperid=90555
dc.identifier.urihttps://repository.nrf.go.ke/handle/123456789/836
dc.language.isoen
dc.publisherScientific Research Publishing (SCIRP).
dc.subjectSRI
dc.subjectLabour Input
dc.subjectDirect Seeding
dc.subjectMechanical Weeding
dc.subjectMwea
dc.titleIntegrating Mechanical Weeding and Planting for Reduced Labour Input in Paddy Rice under System of Rice Intensification (SRI)
dc.typeArticle
dspace.entity.typePublication

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