Knowledge Center Catalog

Targeting soil acidity investments at scale in Kenya (Record no. 69751)

MARC details
000 -LEADER
fixed length control field 03176nam a22003737a 4500
001 - CONTROL NUMBER
control field 69751
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20260119085510.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 260106s2025 ke ||||| |||| 00| 0 eng d
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
041 ## - LANGUAGE CODE
Language code of text/sound track or separate title eng
100 0# - MAIN ENTRY--PERSONAL NAME
Field link and sequence number 001714264
Personal name Bisrat Gebrekidan
Miscellaneous information Sustainable Agrifood Systems
9 (RLIN) 37336
245 10 - TITLE STATEMENT
Title Targeting soil acidity investments at scale in Kenya
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. [Kenya] :
Name of publisher, distributor, etc. CIMMYT ;
-- CGIAR,
Date of publication, distribution, etc. 2025.
300 ## - PHYSICAL DESCRIPTION
Extent 28 pages
500 ## - GENERAL NOTE
General note Open Access
520 ## - SUMMARY, ETC.
Summary, etc. Soil acidity is a long-recognized one of the many constraints to agricultural production in Kenya and has motivated extensive agronomic research on crop and soil responses to liming. However, the use of agricultural lime remains limited on smallholder farms, even in areas where soil acidity is severe. High lime costs are frequently cited as a barrier to adoption, yet most targeting efforts continue to rely primarily on soil property maps without explicit consideration of the economic returns to liming investments at the farm scale. In this paper, we apply a spatially explicit ex ante targeting framework that integrates soil acidity indicators, crop response modelling, spatial variation in input and output prices, and heterogeneity in farm productivity to assess the economic viability of liming across Kenya. Using high resolution spatial data, we generate location specific estimates of acidity related yield losses, lime requirements, and both short run and multi-year economic returns to remediation. Our results show that while soil acidity is widespread in Kenya’s major agricultural regions, economically viable opportunities for liming are far more spatially concentrated. Predicted agronomic yield responses occur across large areas, but positive economic returns emerge only under specific combinations of lime requirements, baseline productivity, and price conditions. Returns also vary substantially within locations across farms and initial productivity levels. These findings highlight the importance of integrating biophysical and economic information to guide the design and targeting of soil acidity interventions in Kenya.
546 ## - LANGUAGE NOTE
Language note Text in English
591 ## - CATALOGING NOTES
Affiliation Madaga, L. : Not in IRS staff list but CIMMYT Affiliation
591 ## - CATALOGING NOTES
Affiliation Silva, J.V. : No CIMMYT Affiliation
597 ## - CGIAR Initiative
Donor or Funder CGIAR Trust Fund
-- Bill & Melinda Gates Foundation (BMGF)
Program & Accelerators Sustainable Farming
CGIAR Impact area Environmental health & biodiversity
-- Poverty reduction, livelihoods & jobs
CGIAR Action areas Systems Transformation
CGSpace handle https://hdl.handle.net/10568/179699
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Targeting
Source of heading or term AGROVOC
9 (RLIN) 12475
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Soil pH
Source of heading or term AGROVOC
9 (RLIN) 10583
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Agricultural lime
Source of heading or term AGROVOC
9 (RLIN) 41000
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Crop modelling
Source of heading or term AGROVOC
9 (RLIN) 2623
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Agricultural production
Source of heading or term AGROVOC
9 (RLIN) 5543
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Economic viability
Source of heading or term AGROVOC
9 (RLIN) 19936
651 #7 - SUBJECT ADDED ENTRY--GEOGRAPHIC NAME
Geographic name Kenya
Source of heading or term AGROVOC
9 (RLIN) 3783
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Chamberlin, J.
Miscellaneous information Sustainable Agrifood Systems
Field link and sequence number I1706801
9 (RLIN) 2871
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Madaga, L.
9 (RLIN) 37335
700 1# - ADDED ENTRY--PERSONAL NAME
Personal name Silva, J.V.
Field link and sequence number 001712458
Miscellaneous information Sustainable Agrifood Systems
9 (RLIN) 9320
856 4# - ELECTRONIC LOCATION AND ACCESS
Link text Open Access through DSpace
Uniform Resource Identifier https://hdl.handle.net/10883/36652
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Report
Suppress in OPAC No
Source of classification or shelving scheme Dewey Decimal Classification
Holdings
Date last seen Total Checkouts Price effective from Koha item type Lost status Source of classification or shelving scheme Damaged status Not for loan Collection code Withdrawn status Home library Current library Date acquired
01/06/2026   01/06/2026 Report Not Lost Dewey Decimal Classification     CIMMYT Publications Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 01/06/2026

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