Precision of farmer-based fertility ratings and soil organic carbon for crop production on a Ferralsol

Musinguzi, P.; Ebanyat, P.; Tenywa, J. S.; Basamba, T. A.; Tenywa, M. M.; Mubiru, D.

doi:https://doi.org/10.5194/se-6-1063-2015

Articles | Volume 6, issue 3

https://doi.org/10.5194/se-6-1063-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/se-6-1063-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 6, issue 3

Research article

|

17 Sep 2015

Research article |

| 17 Sep 2015

Precision of farmer-based fertility ratings and soil organic carbon for crop production on a Ferralsol

P. Musinguzi, P. Ebanyat, J. S. Tenywa, T. A. Basamba, M. M. Tenywa, and D. Mubiru

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Final revised paper (published on 17 Sep 2015)
Preprint (discussion started on 31 Mar 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C614: 'review', Anonymous Referee #1, 07 May 2015
- AC C651: 'Response to Anonymous Referee #1', Patrick Musinguzi, 13 May 2015
RC C631: '75% satisfactory', Isaac Newton Alou, 11 May 2015
RC C636: 'Comment to Musinguzi et al', Anonymous Referee #3, 11 May 2015

Short summary

This study showed that resource-poor smallholder farmers can ably rate fields for soil fertility as poor or good but had difficulties in identifying medium-fertility fields. Rating with SOC improved precision to rate medium-fertility fields. SOC and clay content explained the highest yield variances in heterogeneous smallholder farms. A combination of SOC and farmers' field experiences can be affordable approaches to guide fertility management and fertilizer application.