This report describes the the Carob “varieties_cassava” group.

This dataset combines 1468 standardized individual data sources. It has has 229179 records and 40 variables for 2 crops (, cassava) in 15 countries (, Benin, Burkina Faso, Burundi, Chad, Colombia, Democratic Republic of the Congo, Ghana, Malawi, Niger, Nigeria, Tanzania, Togo, Uganda, Zambia).


These are the first 25 records:

records
trial_id rep crop dmy_roots dmy_storage fwy_storage fwy_residue yield_part yield yield_moisture yield_isfresh plot_area plot_length plot_width pathogen disease_severity severity_scale disease harvest_index dataset_id record_id on_farm is_survey variety variety_alt variety_code country adm1 location longitude latitude geo_from_source elevation planting_date harvest_date N_fertilizer P_fertilizer K_fertilizer inoculated irrigated
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 67.8 NA NA NA NA NA NA doi_10.25502_008Q-F311 1 FALSE FALSE IITA-TMS-BAD9100462 39770 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 59.2 NA NA NA NA NA NA doi_10.25502_008Q-F311 2 FALSE FALSE IITA-TMS-IBA30572 5 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 67.9 NA NA NA NA NA NA doi_10.25502_008Q-F311 3 FALSE FALSE IITA-TMS-IBA4(2)1425 246 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 68.1 NA NA NA NA NA NA doi_10.25502_008Q-F311 4 FALSE FALSE IITA-TMS-IBA71762 95781 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 69.6 NA NA NA NA NA NA doi_10.25502_008Q-F311 5 FALSE FALSE IITA-TMS-IBA8200058 268 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 61.7 NA NA NA NA NA NA doi_10.25502_008Q-F311 6 FALSE FALSE IITA-TMS-IBA9100416 338 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 57.8 NA NA NA NA NA NA doi_10.25502_008Q-F311 7 FALSE FALSE IITA-TMS-IBA9102312 362 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 63.6 NA NA NA NA NA NA doi_10.25502_008Q-F311 8 FALSE FALSE IITA-TMS-IBA9102324 374 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 58.6 NA NA NA NA NA NA doi_10.25502_008Q-F311 9 FALSE FALSE IITA-TMS-IBA920057 390 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 62.0 NA NA NA NA NA NA doi_10.25502_008Q-F311 10 FALSE FALSE IITA-TMS-IBA920326 396 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 58.2 NA NA NA NA NA NA doi_10.25502_008Q-F311 11 FALSE FALSE IITA-TMS-IBA920342 398 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 60.6 NA NA NA NA NA NA doi_10.25502_008Q-F311 12 FALSE FALSE IITA-TMS-IBA920397 400 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 63.3 NA NA NA NA NA NA doi_10.25502_008Q-F311 13 FALSE FALSE IITA-TMS-IBA920398 402 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 58.3 NA NA NA NA NA NA doi_10.25502_008Q-F311 14 FALSE FALSE IITA-TMS-IBA920429 409 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 65.4 NA NA NA NA NA NA doi_10.25502_008Q-F311 15 FALSE FALSE IITA-TMS-IBA920430 411 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 61.1 NA NA NA NA NA NA doi_10.25502_008Q-F311 16 FALSE FALSE IITA-TMS-IBA940018 489 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 59.1 NA NA NA NA NA NA doi_10.25502_008Q-F311 17 FALSE FALSE IITA-TMS-IBA940020 491 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 72.3 NA NA NA NA NA NA doi_10.25502_008Q-F311 18 FALSE FALSE IITA-TMS-IBA940026 493 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 60.1 NA NA NA NA NA NA doi_10.25502_008Q-F311 19 FALSE FALSE IITA-TMS-IBA940237 7 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 1 cassava NA NA NA NA roots NA 55.7 NA NA NA NA NA NA doi_10.25502_008Q-F311 20 FALSE FALSE TMEB1 39629 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 2 cassava NA NA NA NA roots NA 55.3 NA NA NA NA NA NA doi_10.25502_008Q-F311 21 FALSE FALSE IITA-TMS-BAD9100462 39770 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 2 cassava NA NA NA NA roots NA 61.5 NA NA NA NA NA NA doi_10.25502_008Q-F311 22 FALSE FALSE IITA-TMS-IBA30572 5 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 2 cassava NA NA NA NA roots NA 57.9 NA NA NA NA NA NA doi_10.25502_008Q-F311 23 FALSE FALSE IITA-TMS-IBA4(2)1425 246 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 2 cassava NA NA NA NA roots NA 61.9 NA NA NA NA NA NA doi_10.25502_008Q-F311 24 FALSE FALSE IITA-TMS-IBA71762 95781 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA
01uyt20lcnMK 2 cassava NA NA NA NA roots NA 64.1 NA NA NA NA NA NA doi_10.25502_008Q-F311 25 FALSE FALSE IITA-TMS-IBA8200058 268 Nigeria Mokwa 5.31025 9.23942 TRUE NA 2001-07-03 2002-08-24 NA NA NA NA NA


You can see the contributing datasets here if you use the search term for [varieties_cassava].


We have 229179 observations, for which we have 1480 unique mapped locations. 6 records do not have coordinates.


The data are further summarized in the table below

Variable Stats / Values Freqs (% of Valid) Graph Missing
rep [integer]
Mean (sd) : 2 (8.4)
min ≤ med ≤ max:
1 ≤ 1 ≤ 425
IQR (CV) : 1 (4.2)
237 distinct values 87 (0.0%)
crop [character]
1. (Empty string)
2. cassava
6(0.0%)
229173(100.0%)
0 (0.0%)
dmy_roots [numeric]
Mean (sd) : 1610 (1100.2)
min ≤ med ≤ max:
55.9 ≤ 1498.3 ≤ 4783.6
IQR (CV) : 1207.5 (0.7)
42 distinct values 229137 (100.0%)
dmy_storage [numeric]
Mean (sd) : 4.5 (4.5)
min ≤ med ≤ max:
0 ≤ 3.5 ≤ 135.7
IQR (CV) : 4.5 (1)
2978 distinct values 192140 (83.8%)
fwy_storage [numeric]
Mean (sd) : 12791.8 (12478.3)
min ≤ med ≤ max:
0 ≤ 10000 ≤ 336000
IQR (CV) : 14917.5 (1)
2638 distinct values 165721 (72.3%)
fwy_residue [numeric]
Mean (sd) : 1773.7 (1831.8)
min ≤ med ≤ max:
0 ≤ 1312.5 ≤ 75625
IQR (CV) : 1468.8 (1)
1445 distinct values 212460 (92.7%)
yield_part [character]
1. (Empty string)
2. none
3. roots
4. tubers
6(0.0%)
90426(39.5%)
138666(60.5%)
81(0.0%)
0 (0.0%)
yield [numeric]
Mean (sd) : 12462.2 (12532.3)
min ≤ med ≤ max:
0 ≤ 9600 ≤ 336000
IQR (CV) : 14936.2 (1)
3079 distinct values 165684 (72.3%)
yield_moisture [numeric]
Mean (sd) : 67.5 (13.6)
min ≤ med ≤ max:
-340.1 ≤ 68 ≤ 100
IQR (CV) : 10.2 (0.2)
2616 distinct values 168839 (73.7%)
yield_isfresh [logical] 1. TRUE
90507(100.0%)
138672 (60.5%)
plot_area [integer] 1 distinct value
8:28(100.0%)
229151 (100.0%)
plot_length [numeric]
Mean (sd) : 5.2 (1.6)
min ≤ med ≤ max:
2.5 ≤ 5 ≤ 9
IQR (CV) : 1.5 (0.3)
10 distinct values 202121 (88.2%)
plot_width [integer]
Mean (sd) : 2.9 (1.6)
min ≤ med ≤ max:
1 ≤ 4 ≤ 6
IQR (CV) : 3 (0.6)
1:9330(34.5%)
2:3302(12.2%)
3:258(1.0%)
4:11653(43.1%)
5:615(2.3%)
6:1900(7.0%)
202121 (88.2%)
pathogen [character]
1. (Empty string)
2. Candidatus phytoplas
3. Cercospora caribea
4. Cercospora henningsi
5. Cercospora vicosae
6. Glomerella manihotis
7. Sphaceloma manihotic
8. Xanthomonas axonopod
138753(60.5%)
3053(1.3%)
128(0.1%)
1001(0.4%)
3095(1.4%)
1610(0.7%)
44385(19.4%)
37154(16.2%)
0 (0.0%)
disease_severity [integer]
Mean (sd) : 2.3 (1.2)
min ≤ med ≤ max:
0 ≤ 2 ≤ 5
IQR (CV) : 2 (0.5)
0:1316(1.5%)
1:27285(30.8%)
2:25184(28.4%)
3:19763(22.3%)
4:10744(12.1%)
5:4268(4.8%)
140619 (61.4%)
severity_scale [character]
1. (Empty string)
2. 1-5
138753(60.5%)
90426(39.5%)
0 (0.0%)
disease [character]
1. (Empty string)
2. cassava anthracnose
3. cassava bacterial bl
4. cassava brown leaf s
5. cassava frogskin dis
6. diffuse leaf spot
7. superelongation dise
138753(60.5%)
1610(0.7%)
37154(16.2%)
1129(0.5%)
3053(1.3%)
3095(1.4%)
44385(19.4%)
0 (0.0%)
harvest_index [numeric]
Mean (sd) : 0.6 (1.4)
min ≤ med ≤ max:
0 ≤ 0.5 ≤ 54.5
IQR (CV) : 0.2 (2.4)
1274 distinct values 195183 (85.2%)
on_farm [logical]
1. FALSE
2. TRUE
136991(98.7%)
1756(1.3%)
90432 (39.5%)
is_survey [logical] 1. FALSE
229173(100.0%)
6 (0.0%)
variety [character]
1. IITA-TMS-IBA30572
2. IITA-TMS-IBA9102324
3. IITA-TMS-IBA4(2)1425
4. TMEB1
5. IITA-TMS-IBA920326
6. IITA-TMS-IBA8200058
7. TMEB419
8. IITA-TMS-IBA980581
9. IITA-TMS-IBA920057
10. TMEB117
[ 48012 others ]
3585(1.6%)
1913(0.8%)
1825(0.8%)
1721(0.8%)
1325(0.6%)
1315(0.6%)
884(0.4%)
814(0.4%)
774(0.3%)
759(0.3%)
214264(93.5%)
0 (0.0%)
variety_alt [character]
1. (Empty string)
2. ABBEY-IFE,BGM-2279,T
3. 30572,I30572,IBA3057
4. RB98/0113,TME204
5. Akena,Akena,I92/0067
6. Unknown
7. MH97/2961,MH972961
8. MM97/0516,MM970516
9. GUZO,MOMBASA
10. 82/00058,I8200058,TM
[ 49 others ]
228824(99.8%)
24(0.0%)
23(0.0%)
19(0.0%)
16(0.0%)
12(0.0%)
11(0.0%)
11(0.0%)
9(0.0%)
8(0.0%)
222(0.1%)
0 (0.0%)
variety_code [character]
1. (Empty string)
2. 5
3. 374
4. 246
5. 39629
6. 396
7. 268
8. 39671
9. 723
10. 390
[ 19968 others ]
90541(39.5%)
3583(1.6%)
1913(0.8%)
1825(0.8%)
1721(0.8%)
1325(0.6%)
1315(0.6%)
882(0.4%)
814(0.4%)
774(0.3%)
124486(54.3%)
0 (0.0%)
country [character]
1. Nigeria
2. Colombia
3. Uganda
4. Ghana
5. Togo
6. Benin
7. Niger
8. Burkina Faso
9. Tanzania
10. Chad
[ 5 others ]
120119(52.4%)
90426(39.5%)
10436(4.6%)
2949(1.3%)
2084(0.9%)
1296(0.6%)
622(0.3%)
526(0.2%)
308(0.1%)
134(0.1%)
279(0.1%)
0 (0.0%)
adm1 [character]
1. (Empty string)
2. Delta
3. Edo
4. Rivers
227610(99.3%)
285(0.1%)
597(0.3%)
687(0.3%)
0 (0.0%)
location [character]
1. Ibadan
2. La Libertad
3. Carimagua
4. Mokwa
5. Ubiaja
6. Zaria
7. Namulonge
8. Ikenne
9. Malam Madori
10. Warri
[ 117 others ]
50960(22.2%)
44839(19.6%)
44241(19.3%)
17642(7.7%)
10010(4.4%)
8411(3.7%)
7082(3.1%)
6977(3.0%)
4962(2.2%)
4456(1.9%)
29599(12.9%)
0 (0.0%)
geo_from_source [logical]
1. FALSE
2. TRUE
187(0.1%)
228986(99.9%)
6 (0.0%)
elevation [integer]
Mean (sd) : 155.5 (12.1)
min ≤ med ≤ max:
152 ≤ 155 ≤ 426
IQR (CV) : 1 (0.1)
152:305(0.3%)
154:44241(48.9%)
155:44839(49.6%)
199:151(0.2%)
211:746(0.8%)
426:144(0.2%)
138753 (60.5%)
planting_date [character]
1. 2006
2. 2003-07-07
3. 1984-04-16
4. 1995
5. 1994
6. 1996
7. 1985-04-29
8. (Empty string)
9. 1984-04-17
10. 2001-09-15
[ 861 others ]
5713(2.5%)
5012(2.2%)
4903(2.1%)
4651(2.0%)
4190(1.8%)
4189(1.8%)
3929(1.7%)
3855(1.7%)
3389(1.5%)
2686(1.2%)
186662(81.4%)
0 (0.0%)
harvest_date [IDate, Date]
min : 1980-05-23
med : 1998-06-23
max : 2020-09-22
range : 40y 3m 30d
821 distinct values 55336 (24.1%)
N_fertilizer [logical]
All NA's
229179 (100.0%)
P_fertilizer [logical]
All NA's
229179 (100.0%)
K_fertilizer [logical]
All NA's
229179 (100.0%)
inoculated [logical] 1. FALSE
187(100.0%)
228992 (99.9%)
irrigated [logical]
All NA's
229179 (100.0%)