putting nitrogen fixation to work for smallholder farmers in africa progress report of n2africa...
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress Report of N2Africa Activities Implemented by four Centers of EIAR
ILRI-N2Africa Annual Planning & Public-Private Partnership (PPP) Validation Workshop
21-23 January 2015ILRI Campus, Addis Ababa, Ethiopia
Amare Fufa and EIAR Team
Ethiopian Institutes of Agricultural Research
(Melkassa, Pawe, Debrezeit, Jimma)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Introduction
N2Africa’s main priority intervention area is Rhizobium inoculant
as Integrated Soil Fertility Management (ISFM) to maximize the
productivity of legume crops
N2 Africa activities implemented at four centers of EIAR (MAR,
JARC, PARC and DARC)
This year project activities were based up on the previous bridging
trials lessons and experiences
This year activities were well established at most trial sites
Data collection, analysis, interpretation is completed except Chick
pea in which harvesting is under way
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Putting nitrogen fixation to work for smallholder farmers in Africa
Activities implemented
N2Africa experiments in 2014 cropping season:-
1. Diagnosis experiment activity
2. Demonstration activity
3. Adaptation activity
4. Researcher-managed agronomy activityThree crops (Common bean, Soybean and chick pea)
were tested for their response to inoculant and phosphorus
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Putting nitrogen fixation to work for smallholder farmers in Africa
The response of grain yield, Biomass and Number of Nodules to
inoculation at Shala
The analysis of variance for grain yield showed significant
response to rhizobium/inoculant and phosphorus
The highest grain yield was obtained when both the
rhizobium/inoculant and phosphorus were applied (2538.1kg/ha)
followed by the application of phosphorus
Result Achieved from Diagnosis trial
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Putting nitrogen fixation to work for smallholder farmers in Africa
Treatments
Grain yield
(Kg/ha) Biomass (Kg/ha)
Nodule (No/Plant
)
Active Nodule (No/plant)
Inactive Nodule (No/plant)
+P+I 2538.1a 3634.4a 108.81a 15.22a 4.78b
+P-I 1861.9b 3303.8a 101.9a 12.08b 7.92a
-P+I 1026.3c 2169.4b 79.08b 10.18b 9.66a
-P-I 978.1c 2105.6b 63.85c 11.04b 9.12a
Mean 1601.12 2803 88.41 12.13 7.82CV 26.08 38.5 29.24 30.89 17.42
Table1. Effects of Phosphorus and rhizobium on common bean yield and yield components
There was no significant response observed between –P+I and –P-I Indicated that further investigation about P rate should be required
With regards to biomass also the application of P is important+P+I produced higher active nodules than other treatments
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Putting nitrogen fixation to work for smallholder farmers in Africa
0
200
400
600
800
1000
1200
1400
1600
1800
2000Mean Soybean Grain Yield Kg /ha
ControlfertilizerInoculemBoth
Response of soybean to rhizobia inoculation in Jimma Zone
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Putting nitrogen fixation to work for smallholder farmers in Africa
Grain yield of common bean from diagnostic trial at Pawe
0 300 600 900 1200 1500 1800 2100 2400 2700 30000
400
800
1200
1600
2000
2400
2800
3200
Control
Linear (Control)
I
I+P
P
Grain yield of the Control Treatment
Com
mon
bea
n G
rain
yie
ld (
kg/h
a)
I>C= 31.25%P>C= 81.25%I+P>C= 43.75%
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Putting nitrogen fixation to work for smallholder farmers in Africa
Grain yield of soybean bean from diagnostic trial at Pawe
0 300 600 900 1200 1500 18000
200
400
600
800
1000
1200
1400
1600
1800
2000
Control
Linear (Control)
I
I+P
P
Grain yield of control treatment
Soy
bea
n G
rain
yie
ld (
kg/
ha)
I>C= 75%P>C= 75%I+P>C= 66.67%
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Putting nitrogen fixation to work for smallholder farmers in Africa
+P+I
+P-I-P-I
-P+I
Field Performance at Jimma
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Putting nitrogen fixation to work for smallholder farmers in Africa
-P-I
+P+I
+P-I
-P+I
Field performance at Shala
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Putting nitrogen fixation to work for smallholder farmers in Africa
Shala
+P+I
-P-I
+P-I
-P+I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Shala
+P+I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Shala
-P-I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Result Achieved from Demonstration Activities
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Putting nitrogen fixation to work for smallholder farmers in Africa
Performance of Demonstration Activities at Shala
+P+I -P-I 0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000 Grain Yield Sole cropping Intercropping Biomass Sole cropping Intercropping
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Putting nitrogen fixation to work for smallholder farmers in Africa
0
2000
4000
6000
8000
10000Grain Yield Biomass
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Putting nitrogen fixation to work for smallholder farmers in Africa
100 200 300 400 500 6000.00
100.00
200.00
300.00
400.00
500.00
600.00
700.00
800.00
900.00
control
Linear (con-trol)
with_inputs
Grain yield of control treatment
Soy
bea
n g
rain
yie
ld (
kg/
ha) I+P>C=
100%
Pawe Soybean
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Putting nitrogen fixation to work for smallholder farmers in Africa
0 50 100 150 200 250 300 350 400 450 5000.00
100.00
200.00
300.00
400.00
500.00
600.00
control
Linear (con-trol)
with_inputs
Grain yield of the contol treatment
Com
mon
bea
n G
rain
yie
ld (
kg/
ha)
I+P>C= 76.92%
Pawe Common bean
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Putting nitrogen fixation to work for smallholder farmers in Africa
Field performance at Shala
-P-I
+P+I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Chickpea Trials
All the activities were established well
Data collection was made using:
Straight forward using hard copies (manually), and
Digital data collection methods (using tablets and SMS using cell
phones as pilot case study )
Five DAs and a research assistance received Google Nexus tablets,
which has all the necessary data collection sheets as deemed by
N2Africa project
Short Messaging service (SMS) Using farmers personal cell-phone
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Chickpea Trials
Currently chickpea was harvested from most
experimental sites except Akako village which is
relatively highland area
Data for harvested crop is not yet compiled it is on the
process (threshing, cleaning and weighing)
All the socio-economic data was collected and being
analyzed
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Adaptation Trials
This activity implemented at all locations as preplanned
Informal feedback of the farmers were good
Further assessment on the feedback from adaptation trials
will be done at near future—waiting for financial support
from N2 Africa-ILRI
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Adaptation Trials
-P-I
+P+I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Field performance on Adaptation Trials
-P-I
+P+I
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Researcher managed agronomic Activities
One activity at two Location (Melkassa and Pawe) was
established
Data was collected as per planned
Like yield and yield parameters
Agronomic data
Soil data analysis-under way in laboratory
Permanent plot was established
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Researcher managed agronomic Activities
Continuous Maize
Continuous Common bean
Maize-Common bean Rotation
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Putting nitrogen fixation to work for smallholder farmers in Africa
Progress on Researcher managed agronomic Activities
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Putting nitrogen fixation to work for smallholder farmers in Africa
Agricultural experts and DAs from N2Africa villages and research staff obtained 5 days intensive training on both theoretical and practical training on how to operating the digital tablets for data collection
o Each android tablet was installed with Open Data Kit (ODK) version 7
Hands-on on digital tableted
Achievements on other evaluation and promotional Activities (DARC)
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Putting nitrogen fixation to work for smallholder farmers in Africa
o 50 farmers trained how to send information using SMS with cell-phone
oThe templates for sms use were prepared both in Amharic and Oromifa languages.
oMore than 85 % of these
farmers were responded to the special stenciled questionnaires,
Currently 3 way data base deposit is available (N2Africa /WUR/ DZARC)
SMS with cell-phone
Achievements on other evaluation and promotional Activities (DARC)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Jimma)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Melkassa)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Melkassa)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Melkassa)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Melkassa)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Melkassa)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Achievements on other evaluation and promotional Activities (Pawe)
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Putting nitrogen fixation to work for smallholder farmers in Africa
Challenges
Severe infestation of bean stem maggot and weed
Erratic rainfall/Drought problem at trial establishment
Budget scarcity
Vehicle
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Putting nitrogen fixation to work for smallholder farmers in Africa
Flooding of experimental plots Weed and pests
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Putting nitrogen fixation to work for smallholder farmers in Africa
Challenges
-P+I
+P+I
-P-I
+P-I
Field damaged due to severe infestation of Bean stem maggot
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Putting nitrogen fixation to work for smallholder farmers in Africa
Way forward to 2015
P rates determination
Pest/weed Management
Assessment on perception of N2 Africa technologies
Need to establish an economic and impact assessment work
on the adaptation trial and later on market links
Wide adaptation of N2 Africa technologies
Establishing of Strong Partnership among different
stakeholders
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Putting nitrogen fixation to work for smallholder farmers in Africa
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