Occurrence level of urban and peri-urban farming activities across major network links of Nairobi County, Kenya

Int. J. Agron. Agri. R.
Ogendi et al. Page 25
RESEARCH PAPER OPEN ACCESS
Occurrence level of urban and peri-urban farming activities
across major network links of Nairobi County, Kenya
Millicent Nyaboke Ogendi*
, John Bosco Mukundi, Samuel Mwangi Githiri
Department of Horticulture and Food Security, School of Agriculture and Environmental Sciences,
College of Agriculture and Natural Resources, Jomo Kenyatta University of Agriculture and
Technology, Nairobi, Kenya
Article published on April 30, 2021
Key words: Urban and peri-urban agriculture, Urban farming households, Farming enterprises, Roadside
farms, Road transects, Nairobi City
Abstract
Urban and peri-urban agriculture can play a crucial role in the economy, social and dietary life of urban
dwellers. The city of Nairobi is going through urbanization challenges including provision of food, especially in
slum areas where majority of urban poor lives. Reliable data on extent of urban/peri-urban areas being used
for farming in Nairobi County, spatial distribution of such areas, type of crops, animals and proximity to
market places are lacking. The aim of this study was to determine occurrence level of farming activities across
four major network links of Nairobi County. Purposive sampling was applied in selecting four major network
links (road transects). Semi-structured questionnaires were administered to farmers through face-to-face
interviews. Data was collected on socio-economic characteristics, agricultural enterprises and consumption
patterns. Data was analyzed at 5% level of significance, using descriptive statistics and chi-square test was
performed. Farming activities generally increased with an increase in distance from the city center towards the
Nairobi outskirts along three road transects. Crops only (90%) was the main farming enterprise practiced.
More occurrences of farming activities were on Mombasa (33%) followed closely by Ngong (26%) and Thika
superhighway (25%) road transects. Least farming activities were observed on Waiyaki way transect (16%).
Fruits (27%) and vegetables (19%) topped the crop produce grown while poultry (38.5%) and cattle (34.6%)
were the most reared livestock. These research findings will supplement to Nairobi City planners’ decision
making process concerning urban and peri-urban agriculture in regard to land use allocation.
* Corresponding Author: Millicent Nyaboke Ogendi  Millicent.nyaboke@yahoo.com
International Journal of Agronomy and Agricultural Research (IJAAR)
ISSN: 2223-7054 (Print) 2225-3610 (Online)
http://www.innspub.net
Vol. 18, No. 4, p. 25-37, 2021

Introduction
Urban and peri-urban agriculture, which includes both
crop production and livestock rearing in and around
towns, cities and metropolitan, has been recognized as
serving an important role in the economic, social, and
dietary life of many cities in Sub-Saharan Africa (Lee-
Smith, 2013; Stewart et al., 2013; Conceição et al.,
2016). Kenya has during the last four decades,
witnessed rapid rate of urbanization estimated at 6%
spurred by the perceived better opportunities in the
urban centres as opposed to increasing incidences of
poverty and insecurity in the rural areas (Owuor,
2019). Confronted with rapid urbanization, thousands
of families strive to “improve their access to food and
raise income through agricultural activities in urban
and peri-urban areas” (Lee-Smith, 2013; Mwaura et al.,
2019; Mwangi and Crewett, 2019).
In Kenya, Nairobi City County has the largest urban
population with 3,138,369 people (KNBS, 2010) and
is ranked position two (2) in poverty with a poverty
rate of 22.5 percent. The city of Nairobi equally is
going through the urbanization challenges including
the provision of food, water and sanitation especially
in slum areas where majority of the urban poor are
living. Between a third and half of the country’s urban
population live in poverty, and given the pace of
urbanization, urban poverty will represent almost half
of the total poverty in Kenya by 2020 (Mutisya and
Yarime, 2011; Ruel et al., 2017a; Shifa and
Leibbrandt, 2017; Lucci et al., 2018). Moreover, while
urban poverty has been decreasing according to some
measures, statistics indicate that the proportion of the
urban population that is poorest of all (the ‘food poor’
and ‘hardcore poor’) has been on the rise (Rudolph
and Kroll, 2016; Ruel et al., 2017a; Ruel et al., 2017b).
Urban planners are increasingly interested in
agriculture within and around cities and have to
decide whether to maintain or not areas for
agricultural land use within and close to growing
cities (Recasens et al., 2016; Martellozzo et al., 2018).
The ability of urban farming to continuously supply
food for the urban poor, especially in developing
nations, will depend on better planning to enable
sustainable management of the practice.
The question of food safety and urban food systems is
consequently becoming an issue of significance for
international agencies, urban politicians and policy-
makers, urban administrations and urban populations
themselves. The 2009 Population and Housing Census
results released in August 2010 revealed that Kenya’s
population had risen by ten million people since the
last count in 1999, an average of one million people per
year (KNBS, 2010). The increasing urban population
has put pressure on the food demands. Because of the
undervaluation of urban agriculture and stiff
competition for land, urban agriculture is often pushed
back to marginal areas within the city, where it may
harm the fragile ecosystems if not properly guided
(Thuo, 2013; Agarwal and Sinha, 2017; Dominati et al.,
2019). This is due to the replacement of arable fields
with other land uses (like residential). Urban
agriculture has potential to make cities more socially
and ecologically sustainable, but urban planners have
not had effective policy levers to encourage this (Bricas
et al., 2019; Halliday, 2019). Though some of urban
dwellers of Nairobi City County practice some form of
agriculture to provide food for themselves and their
families, there is need to question the current status of
the city, in regard to available food systems (FAO,
2013; Wascher et al., 2017; Onono et al., 2018). The
type of agricultural production and location influences
food safety and space usage. Reliable data on the extent
of urban/peri-urban areas being used for farming in
Nairobi County, the spatial distribution of such areas,
type of crops, animals and proximity to market places
are lacking (Revi and Rosenzweig, 2013; Tilman et al.,
2017; Robineau and Dugué, 2018; Smidt et al., 2018).
This can partly be attributed to the fact that ground-
based survey methods for data capture for detecting
and measuring change are relatively expensive and
time consuming. The aim of this study was therefore to
determine occurrence level of farming activities across
four major networks of Nairobi City County.
Materials and methods
Study area
Nairobi, the capital city of Kenya, covers an area of
about 696km². The city is bounded within
geographic coordinates of 1°16'S latitude and
36°48'E longitude (Fig. 1).

It had an estimated population of 3,138,369 people as
per the 2009 population census, and 4,337,080
people as per 2019 population census, both conducted
by Kenya National Bureau of Statistics (KNBS, 2010;
KNBS, 2020). The population growth rate of Nairobi
is estimated at about 4.1 percent per annum, however
about 60 percent of this population are described as
urban poor and live in informal settlements (Mutisya
and Yarime, 2011). Nairobi City County has eleven
(11) sub-counties (KNBS, 2020). Urban areas are
Starehe, Makadara, Embakasi, Mathare and
Kamukunji whereas peri- urban are Kasarani,
Westlands, Dagoretti, Lang’ata, Kibra and Njiru. At
between 1600 and 1800 metres above sea level
(Rateng, 2019; Ogega et al., 2019), Nairobi enjoys a
moderate subtropical highland climate. There are two
rainy seasons, with long rains falling between March
and May and short rains between October and
December (Foeken and Mwangi, 2000). Annual
rainfall ranges between 300mm and 700mm
(Wangari, 2013).
Fig. 1. Map of study area showing urban and peri-
urban areas of Nairobi City County. (Source: Author)
Data Collection
The target population for this study were the active
urban and peri-urban farmers Nairobi City County,
who were identified by the help of the sub-county
agricultural officers and divisional agricultural
extension officers from the Ministry of Agriculture.
Purposive sampling was applied in selecting 4 major
network links (road transects) of Nairobi City County
with active urban and peri-urban agriculture farmers.
Multistage (branching links) and systematic sampling
were used to select data points (farming households)
for making observations and administering semi-
structured questionnaires through face-to-face
interviews. Along each network link, sampling points
were set systematically to draw the ith farmer on the
list of the active urban farmers that were provided for
the specific region. Thika superhighway, Mombasa
road, Ngong road, and Waiyaki way were identified as
the four major network links that transect Nairobi City
County and dissect it into four (4) quarters. Sampling
was conducted along these links and along their main
access points (secondary access roads). Sampling
points along the access road was set at around 100
metres intervals for a length of 1000 metres. A Global
Positioning Systems (GPS) receiver (Garmin model
Etrex 10) was used to map respondents’ farms during
field survey. The information gathered during the field
survey included the respondents’ socio-economic
characteristics, land tenure, type of agricultural
enterprises practiced, consumption patterns, sources of
water for farming, waste management (crop, livestock
and water), farming challenges and farmer-urban
planners’ relationship in regard to urban and peri-
urban agriculture.
Data analysis
Geographical points collected by use of a GPS were
loaded onto ArcGIS software (as shapefiles) and ArcMap
version 10.3 was used to process maps of sampled sites
and localities. The survey data collected was checked,
cleaned, coded and input on a spreadsheet. Statistical
analysis was performed descriptively using the Statistical
Package for the Social Sciences (SPSS Version 20). In
determining any association between variables,
contingency tables (Pearson chi-square) was used to
obtain results. All data was analyzed at 5% level of
significance. Results were presented using tables, pie
charts, bar graphs and maps.
Results and discussion
Out of the 672 households visited, 58.63% (394)
were actively involved in farming activities. The
farming enterprises involved in growing crops only
were 90.61%, rearing livestock only 0.25% while
those growing both crops and rearing livestock were
9.14% (Table 1).

Table 1. Urban and peri-urban agriculture
enterprises undertaken along four major road
transects in Nairobi City County, Kenya.
Type of farming enterprise
Road transect
name
Crops
only
(%)
Livestock
only (%)
Crops &
Livestock
(%)
Total (%)
Mombasa 32.99 0.00 0.51 33.50
Ngong 26.14 0.00 0.00 26.14
Thika
Superhighway
21.07 0.00 3.81 24.87
Waiyaki Way 10.41 0.25 4,82 15.48
Total (%) 90.61 0.25 9.14 100.00
These results indicate that there are noticeable
farming activities carried out along and close to major
roads of Nairobi City County. This is because most of
the city dwellers do not own their own land. In their
study, Ogendi et al. (2019) and Mwaura et al. (2019)
observed road reserves being among the open spaces
embraced by urban and peri-urban dwellers of
Nairobi City County for farming. The intensity of
farming activities generally increased with an increase
of distance from access links/centers near the Nairobi
City central business district (CBD) to the further
placed (outskirts) access links/centers along three
major network links of Nairobi City County. The
exception was along Mombasa road transect whereby
the reverse of that observation was true (Fig. 2). The
number of farms observed in this study increased as
one moved from the urban areas to the peri-urban
areas of the city. These findings were in agreement
with Githugunyi (2014), who observed that
agricultural land use pattern in Nairobi metropolitan
area would show zones of gradually increasing
intensity from the built-up edges to where the city has
no direct influence upon agricultural practice.
Fruits (27%) and vegetables (19.9%) were the major
crops cultivated along the major network links while
fodder (4.8%) and oilseed crops (0.3%) were the least
grown crops (Fig. 3). Fruit crops (47.7%) were mostly
found cultivated along Mombasa road transect (Fig.
4). Fodder crops were mostly cultivated along
Waiyaki Way (40%) and Thika Superhighway (40%)
transects. Roots & tubers (37.9%), vegetables
(33.8%) and sugar crops (36.4%) were found mainly
along Thika Superhighway. Grains (31%), pulses
(52.2%), ornamental plants (53.8%) and oilseed
crops (100%) were cultivated along Ngong road
transect. Poultry (38.5%) and cattle (34.6%) were
the major livestock found along the 4 major
networks in Nairobi County (Fig. 5). Studies
conducted by Alarcon et al. (2017) indicate that
indeed Nairobi City County farmers do keep various
categories of livestock; with dairy cattle keeping
ranging from small scale to large scale.
Fig. 2. Intensity of farming activities at access links/centres along four major road transects in Nairobi City
County, Kenya.

Alarcon et al. (2017) further revealed that most dairy
cattle animals kept by Maasai beef fatteners were
grazed along roads and river sides, while zero-grazed
animals were fed with grass/hay cut along roads, yet
still some beef keepers had small gardens with grass
for their animals. In their studies, Foeken and
Mwangi (2000) and Wangari (2013) observed
poultry, goats and sheep being reared within Nairobi
City County. In another study, it was reported that
commercial layers and indigenous chicken were kept
in Dagoretti (Onono et al., 2018). These poultry play a
significant role in supporting livelihood of urban and
peri-urban households by providing eggs, income and
chicken manure (Onono et al., 2018).
Fig. 3. Proportion of farmers engaged in various
types of crop categories across four major network
links in Nairobi City County, Kenya.
Fig. 4. Proportion of various types of crop categories
along four major road transects in Nairobi City
County, Kenya.
Fig. 5. Proportion of farmers rearing different types
of livestock along four major road networks in
Nairobi City County, Kenya.
Rabbits were only found reared along Thika
Superhighway transect while cattle, poultry, goats,
pigs, sheep and fisheries were mainly along Waiyaki
Way transect (Fig 6). Rabbitry is an emerging urban
agricultural enterprise as an alternative source of
animal protein in space constrained environment.
Alarcon et al. (2017) reported that rabbit farming was
gaining popularity in Nairobi city and was done by
either individual farmers, groups or institutions such
as schools who sell their animals directly to
consumers or for own consumption. Alarcon et al.
(2017) reported that these rabbits were fed on green
weeds or grass harvested from roadsides. This
concurred with observations in this study whereby
rabbits were fed on vegetable remains, freshly cut
grass and weeds sourced from nearby farms.
Fig. 6. Distribution of livestock along four major
network links in Nairobi City County, Kenya.
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
Number
of
farmers
(%)
Crop categories grown
Inferential error bars (SE) were used in this fig.
0.0
10.0
20.0
30.0
40.0
50.0
Number
of
farmers
(%)
Types of animals reared
0.0
50.0
100.0
Number
of
farmers
(%)
Animals reared in Nairobi City County
Mombasa road Ngong road
Thika Superhighway Wayaki way

Fig. 7. Map showing the occurrence level of farming activities along Mombasa road transect. (Source: author).
The intensity of farming activities at various access
points along Mombasa road transect (Fig. 7) generally
decreased as one moved from the main road access
point to the further interior (Fig. 8).
Fruit trees were substantially the major crop
cultivated along this transect while fodder and oilseed
crops were the least grown crops (Fig. 9).
Fig. 8. Trend of farming activities at access links along Mombasa road transect.
Fig. 9. Proportion of various categories of crops grown
along Mombasa road in Nairobi County, Kenya.
Cattle, poultry and sheep were the main livestock
found along Mombasa road transect (fig. 10) in
enclosed structures and open rearing.
Fig. 10. Proportion of household rearing livestock along
Mombasa road transect in Nairobi City County, Kenya.
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
0 100 200 300 400 500 600 700 800 900 1000
Farming
activities
(%)
Distance from highway(M)
Syokimau Cabanas Pipeline Imara Daima GM
Belle vue South C Nairobi West South B Industrial area
0.0
10.0
20.0
30.0
40.0
50.0
60.0
Farming
activities
(%)
Proportion of grown crops at Mombasa road access points
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
Cattle Poultry Sheep Rabbits Goats Pigs Fisheries
Percentage
Animals reared at Mombasa road transect

Fig. 11. Map showing the occurrence level of farming activities along Ngong road transect in Nairobi City County,
Kenya. (Source: author).
The intensity of farming activities along various access
links along this road (Fig 11) generally decreased with
increasing distance from the main road at 0M to the
further interior up to 1000M (fig 12).
Ornamental plants and fruit trees were the major
crop types cultivated along this road transect while
fodder and oilseed were the least grown crops (Fig
13). There wasn’t any livestock observed during the
period of survey.
Fig. 12. Intensity of farming activities at access links
along Ngong road transect in Nairobi City County, Kenya.
Fig. 13. Proportion of various categories of crops
grown along Ngong road transect in Nairobi City
County, Kenya.
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0 100 200 300 400 500 600 700 800 900 1000
Farming
activities
(%)
Distance from main Ngong road (M)
Lenana Dagoretti Ngando Karen
19.2 19.2
14.8 14.8
13.2
7.1 7.1
3.3
1.1
Occurence
(%)
Crop categories along Ngong road transect

Fig. 14. Map showing the occurrence level of farming activities along Thika Superhighway transect in Nairobi
City County, Kenya. (Source: author).
Fig. 15. Trend of farming activities along access links of Thika Superhighway transect in Nairobi City County, Kenya.
The intensity of farming activities at various access links
along this road transect (Fig 14) generally remained
constant (uniform) as one moved from the main road at
0M to the further interior up to1200M (Fig. 15).
Vegetables, fruit trees, roots & tubers were the major
crops cultivated along this road transect while pulses
and oilseed were the least grown crops (Fig. 16).
Poultry and cattle were the main livestock found
along Thika Superhighway road transect (Fig. 17).
grown along Thika Superhighway transect in Nairobi
City County, Kenya.
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Farming
activities
(%)
Access links/centers along Thika Superhighway transect
0M 100M 200M 300M 400M 500M 600M 700M 800M 900M 1000M
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Proportion
(%)
Types of crop categories along Thika…

Fig. 17. Proportion of types of livestock reared off Thika
Superhighway transect in Nairobi City County, Kenya.
The intensity of farming activities at various access
links along this road (Fig 17) was uneven as one
moved from the main road transect to the further
interior (Fig 18).
Vegetables (28.8%) (kales, broccoli, cauliflower,
lettuce and red cabbages) and fruit trees (21.9%)
(bananas, avocado, and loquats) were notably the
major crops cultivated along this road while
ornamental plants (2.1%) and oilseed (0.3%) crops
were the least grown crops (Fig 19). Cattle (37.9%)
and poultry (37.9%) were the main livestock recorded
along Waiyaki Way road transect (Fig 20).
Fig. 18. Map showing the occurrence level of farming activities along Waiyaki Way transect in Nairobi City
County, Kenya. (Source: author).
Fig. 19. Intensity of farming activities along access links of Waiyaki Way transect in Nairobi City County, Kenya.
0.0
10.0
20.0
30.0
40.0
50.0
Percentage
Types of livestock reared off Thika Super
Highway transect
0.0
1.0
2.0
3.0
4.0
5.0
0M 100M 200M 300M 400M 500M 600M 700M 800M 1000M
Farming
activity
(%)
Distance from Waiyaki way road transect
Westland Kangemi Kawangware MountainView Uthiru

grown along Waiyaki Way transect in Nairobi City
County, Kenya.
Fig. 21. Proportion of types of livestock reared off
Waiyaki Way transect in Nairobi City County, Kenya.
The farming households noticeably engaged in crop
and livestock production as a livelihood strategy
meant to supplement their source of fresh vegetables,
fruits and animal products. Sales from surplus farm
produce could supplement their source of income.
This was in agreement with Lee-Smith (2013) and
Wangari (2013) who noted that these farming
activities were due to rapid increase in population and
the nutritional needs of the city dwellers.
Conclusion
There were more occurrences of farming activities on
Mombasa road transect (33%), followed closely by
Ngong (26%) and Thika superhighway (25%) road
transects. Least farming activities were observed on
Waiyaki way transect (16%). Generally, the farmers
engaged in a diversity of farming activities, with a
majority preferring crop production enterprises
(90%). Fruits (27%) and vegetables (19%) topped the
crop produce grown both for home consumption and
selling of the surplus to the neighbors and local
market. However, a smaller percentage of farmers
practiced mixed farming (9.14%) with poultry (38.5%)
and cattle (34.6%) observed as being the most reared
livestock. The intensity of farming activities generally
increased with an increase of distance from Nairobi
City center (CBD) which is the urban area, to the
further placed (outskirts) access links ( towards the
peri-urban areas) along three major network links of
Nairobi City County. The exception was along
Mombasa road transect whereby the reverse of that
observation was true.
These research findings will supplement to Nairobi
City planners’ decision making process concerning
urban and peri-urban agriculture in regard to land
use allocation. This will aggrandize future research
and contribute to the development of suitable policies
for urban farming that will play a crucial role towards
improved livelihoods of the urban poor since urban
farmers cultivate a wide range of crops and rear a
large number of livestock with substantial yields.
Further studies to be conducted on the presence and
level of contaminants in the farm produce obtained
from roadside farming along the road transects that
may pause health risks to the consumers. Further
studies to be conducted on the preference of certain
crops and livestock by farmers on each transect.
Further studies are also needed to evaluate livestock
production technologies in urban and peri-urban
areas of Nairobi City County.
Acknowledgement
The authors thank the Regional University Forum for
Capacity Building in Agriculture (RUFORUM) for
funding this study and the Ministry of Agriculture
staff, in Nairobi City County for their collaboration.
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