This report describes the the Carob “varieties_cassava” group.

This dataset combines 2050 standardized individual data sources. It has has 468625 records and 44 variables for 2 crops (, cassava) in 18 countries (, Benin, Burkina Faso, Burundi, Chad, Colombia, Democratic Republic of the Congo, Ghana, Malawi, Niger, Nigeria, Rwanda, Sierra Leone, South Africa, 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 adm2 location longitude latitude geo_uncertainty geo_from_source elevation geo_source planting_date harvest_date N_fertilizer P_fertilizer K_fertilizer inoculated irrigated seed_source
18.C3B.PYT.45.IB 1 cassava NA NA 3900 2500 roots 3900 70.9 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 1 FALSE FALSE IITA-TMS-IBA000070 1936 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 7300 6600 roots 7300 67.5 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 2 FALSE FALSE IITA-TMS-IBA011797 4957 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6800 5000 roots 6800 67.7 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 3 FALSE FALSE IITA-TMS-IBA30572 5 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 7000 4600 roots 7000 71.6 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 4 FALSE FALSE TMEB419 39671 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6600 5800 roots 6600 75.1 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 5 FALSE FALSE TMEB693 39679 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 3600 3900 roots 3600 71.8 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 6 FALSE FALSE TMS16F2002P0002 626699 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5300 7500 roots 5300 68.5 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 7 FALSE FALSE TMS16F2002P0003 626700 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 7000 6400 roots 7000 69.4 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 8 FALSE FALSE TMS16F2002P0004 626701 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6200 4400 roots 6200 68.4 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 9 FALSE FALSE TMS16F2002P0005 626702 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5100 3800 roots 5100 71.5 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 10 FALSE FALSE TMS16F2002P0018 626707 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6200 7200 roots 6200 65.6 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 11 FALSE FALSE TMS16F2003P0029 626711 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 2900 6000 roots 2900 73.7 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 12 FALSE FALSE TMS16F2004P0002 626712 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5600 4600 roots 5600 66.0 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 13 FALSE FALSE TMS16F2004P0003 626713 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6900 7400 roots 6900 64.3 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 14 FALSE FALSE TMS16F2004P0008 626717 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 3300 4000 roots 3300 74.1 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 15 FALSE FALSE TMS16F2004P0024 626720 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5000 4900 roots 5000 67.5 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 16 FALSE FALSE TMS16F2004P0027 626721 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 3100 4700 roots 3100 68.2 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 17 FALSE FALSE TMS16F2004P0064 626722 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5400 6000 roots 5400 67.3 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 18 FALSE FALSE TMS16F2004P0067 626724 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 4400 3900 roots 4400 69.6 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 19 FALSE FALSE TMS16F2004P0126 626728 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 4800 4600 roots 4800 65.4 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 20 FALSE FALSE TMS16F2005P0004 626729 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 2100 3000 roots 2100 63.9 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 21 FALSE FALSE TMS16F2005P0007 626731 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5400 5600 roots 5400 69.8 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 22 FALSE FALSE TMS16F2005P0008 626732 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 5400 4600 roots 5400 74.3 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 23 FALSE FALSE TMS16F2005P0047 626736 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 6500 5500 roots 6500 70.6 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 24 FALSE FALSE TMS16F2005P0073 626738 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA
18.C3B.PYT.45.IB 1 cassava NA NA 4000 4000 roots 4000 65.6 NA NA 2 2.5 NA NA doi_10.25502_004n-mm73 25 FALSE FALSE TMS16F2005P0078 626739 Nigeria Ibadan 3.94704 7.37754 NA TRUE NA 2018-02-08 2019-02-08 NA NA NA NA NA


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


We have 468625 observations, for which we have 2069 unique mapped locations. 182 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) : 2.5 (22.9)
min ≤ med ≤ max:
1 ≤ 1 ≤ 883
IQR (CV) : 1 (9.3)
 883 distinct values 1149 (0.2%)
crop [character]
1. (Empty string)
2. cassava
6(0.0%)
468619(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 468583 (100.0%)
dmy_storage [numeric]
Mean (sd) : 4.5 (4.2)
min ≤ med ≤ max:
0 ≤ 3.4 ≤ 135.7
IQR (CV) : 4.5 (0.9)
 9139 distinct values 395340 (84.4%)
fwy_storage [numeric]
Mean (sd) : 11463.2 (11609.7)
min ≤ med ≤ max:
0 ≤ 8375 ≤ 336000
IQR (CV) : 13740 (1)
 3830 distinct values 326902 (69.8%)
fwy_residue [numeric]
Mean (sd) : 2446.5 (2402.1)
min ≤ med ≤ max:
0 ≤ 1714.3 ≤ 75625
IQR (CV) : 2290.9 (1)
 2320 distinct values 424172 (90.5%)
yield_part [character]
1. (Empty string)
2. none
3. roots
4. tubers
6(0.0%)
90426(19.3%)
378112(80.7%)
81(0.0%)
 0 (0.0%)
yield [numeric]
Mean (sd) : 11069 (11411.1)
min ≤ med ≤ max:
0 ≤ 8000 ≤ 336000
IQR (CV) : 13750 (1)
 4370 distinct values 327121 (69.8%)
yield_moisture [numeric]
Mean (sd) : 66.2 (14.8)
min ≤ med ≤ max:
-340.1 ≤ 67.4 ≤ 100
IQR (CV) : 10.2 (0.2)
 3488 distinct values 343548 (73.3%)
yield_isfresh [logical] 1. TRUE
90587(100.0%)
 378038 (80.7%)
plot_area [integer]
Mean (sd) : 2537.6 (2718)
min ≤ med ≤ max:
0 ≤ 2000 ≤ 12000
IQR (CV) : 3992 (1.1)
 27 distinct values 468517 (100.0%)
plot_length [numeric]
Mean (sd) : 4.7 (2.7)
min ≤ med ≤ max:
0.2 ≤ 4 ≤ 10
IQR (CV) : 3 (0.6)
 16 distinct values 358919 (76.6%)
plot_width [numeric]
Mean (sd) : 1.8 (1.6)
min ≤ med ≤ max:
0.2 ≤ 1 ≤ 6
IQR (CV) : 1 (0.9)
 10 distinct values 358883 (76.6%)
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
378199(80.7%)
3053(0.7%)
128(0.0%)
1001(0.2%)
3095(0.7%)
1610(0.3%)
44385(9.5%)
37154(7.9%)
 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%)
 380065 (81.1%)
severity_scale [character]
1. (Empty string)
2. 1-5
378199(80.7%)
90426(19.3%)
 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
378199(80.7%)
1610(0.3%)
37154(7.9%)
1129(0.2%)
3053(0.7%)
3095(0.7%)
44385(9.5%)
 0 (0.0%)
harvest_index [numeric]
Mean (sd) : 0.5 (0.9)
min ≤ med ≤ max:
0 ≤ 0.5 ≤ 54.5
IQR (CV) : 0.2 (1.7)
 7331 distinct values 384594 (82.1%)
on_farm [logical]
1. FALSE
2. TRUE
376357(99.5%)
1756(0.5%)
 90512 (19.3%)
is_survey [logical] 1. FALSE
468619(100.0%)
 6 (0.0%)
variety [character]
1. IITA-TMS-IBA30572
2. TMEB1
3. IITA-TMS-IBA9102324
4. IITA-TMS-IBA4(2)1425
5. IITA-TMS-IBA920326
6. TMEB419
7. IITA-TMS-IBA980581
8. IITA-TMS-IBA8200058
9. IITA-TMS-IBA070593
10. TMEB117
[ 176895 others ]
5935(1.3%)
2884(0.6%)
2581(0.6%)
2114(0.5%)
1763(0.4%)
1731(0.4%)
1544(0.3%)
1523(0.3%)
1263(0.3%)
1110(0.2%)
446177(95.2%)
 0 (0.0%)
variety_alt [character]
1. (Empty string)
2. 30572,I30572,IBA3057
3. GBAZEKOUTE,OBAMA,TME
4. ANTIOTA,TMe1,TME-1,T
5. ABBEY-IFE,BGM-2279,T
6. RB98/0113,TME204
7. ANKRA,Poundable
8. 92/0326,I920326,TMS
9. 91/02324,9102324,I91
10. Akena,Akena,I92/0067
[ 696 others ]
466861(99.6%)
59(0.0%)
35(0.0%)
29(0.0%)
26(0.0%)
24(0.0%)
23(0.0%)
20(0.0%)
18(0.0%)
16(0.0%)
1514(0.3%)
 0 (0.0%)
variety_code [character]
1. (Empty string)
2. 5
3. 39629
4. 374
5. 246
6. 396
7. 39671
8. 723
9. 268
10. 29557
[ 148851 others ]
90621(19.3%)
5933(1.3%)
2884(0.6%)
2581(0.6%)
2114(0.5%)
1763(0.4%)
1729(0.4%)
1544(0.3%)
1523(0.3%)
1263(0.3%)
356670(76.1%)
 0 (0.0%)
country [character]
1. Nigeria
2. Colombia
3. Uganda
4. Ghana
5. Togo
6. Malawi
7. Benin
8. Zambia
9. Chad
10. Niger
[ 8 others ]
346254(73.9%)
90426(19.3%)
18198(3.9%)
2949(0.6%)
2636(0.6%)
2586(0.6%)
1296(0.3%)
903(0.2%)
725(0.2%)
622(0.1%)
2030(0.4%)
 0 (0.0%)
adm1 [character]
1. (Empty string)
2. Delta
3. Edo
4. Geita
5. Kagera
6. Mara
7. Mwanza
8. Pwani
9. Rivers
10. Tanga
466976(99.6%)
285(0.1%)
597(0.1%)
4(0.0%)
15(0.0%)
16(0.0%)
5(0.0%)
29(0.0%)
687(0.1%)
11(0.0%)
 0 (0.0%)
adm2 [character]
1. (Empty string)
2. Bagamoyo
3. Biharamulo
4. Bunda
5. Butiama
6. Geita
7. Kibiti
8. Muheza
9. Nyang'wale
10. Sengerema
468545(100.0%)
20(0.0%)
14(0.0%)
9(0.0%)
7(0.0%)
3(0.0%)
9(0.0%)
11(0.0%)
2(0.0%)
5(0.0%)
 0 (0.0%)
location [character]
1. Ibadan
2. La Libertad
3. Carimagua
4. Ubiaja
5. Ikenne
6. Mokwa
7. Zaria
8. Namulonge
9. Malam Madori
10. Serere
[ 132 others ]
186576(39.8%)
44839(9.6%)
44241(9.4%)
37397(8.0%)
33136(7.1%)
29904(6.4%)
19206(4.1%)
9675(2.1%)
9174(2.0%)
8700(1.9%)
45777(9.8%)
 0 (0.0%)
geo_uncertainty [integer]
Mean (sd) : 70135.8 (19676.2)
min ≤ med ≤ max:
35506 ≤ 77667 ≤ 97386
IQR (CV) : 20072.8 (0.3)
35506:2(2.5%)
36258:11(13.8%)
44924:7(8.8%)
69599:14(17.5%)
73349:5(6.2%)
77667:9(11.2%)
79959:3(3.8%)
83503:20(25.0%)
97386:9(11.2%)
 468545 (100.0%)
geo_from_source [logical]
1. FALSE
2. TRUE
267(0.1%)
468352(99.9%)
 6 (0.0%)
elevation [integer]
Mean (sd) : 156 (27.4)
min ≤ med ≤ max:
27 ≤ 155 ≤ 1561
IQR (CV) : 1 (0.2)
 79 distinct values 378119 (80.7%)
geo_source [character]
1. (Empty string)
2. GADM 4.1, adm2
468545(100.0%)
80(0.0%)
 0 (0.0%)
planting_date [character]
1. 2018-02-16
2. 2006
3. 2019-03-04
4. 2016-02-26
5. 2018-03-18
6. 2008
7. 2007
8. 1994
9. 2018-02-15
10. 2016-02-25
[ 1100 others ]
22364(4.8%)
18339(3.9%)
13352(2.8%)
11023(2.4%)
10196(2.2%)
9131(1.9%)
6276(1.3%)
6122(1.3%)
5607(1.2%)
5496(1.2%)
360719(77.0%)
 0 (0.0%)
harvest_date [IDate, Date]
min : 1980-05-23
med : 2011-04-16
max : 2021-07-12
range : 41y 1m 19d
 1035 distinct values 141923 (30.3%)
N_fertilizer [logical]
All NA's
 468625 (100.0%)
P_fertilizer [logical]
All NA's
 468625 (100.0%)
K_fertilizer [logical]
All NA's
 468625 (100.0%)
inoculated [logical] 1. FALSE
187(100.0%)
 468438 (100.0%)
irrigated [logical] 1. FALSE
80(100.0%)
 468545 (100.0%)
seed_source [character]
1. (Empty string)
2. certified
3. recycled
468545(100.0%)
40(0.0%)
40(0.0%)
 0 (0.0%)