This report describes the the Carob “soil_samples” group.

This dataset combines 14 standardized individual data sources. It has has 18095 records and 47 variables for 0 crops () in 76 countries (, Angola, Australia, Belgium, Benin, Botswana, Brazil, Burkina Faso, Cameroon, Canada, China, Colombia, Congo, Costa Rica, Côte d’Ivoire, Cuba, Democratic Republic of the Congo, Denmark, Ecuador, Ethiopia, Finland, France, Gabon, Georgia, Germany, Ghana, Greece, Greenland, Guinea, Hungary, India, Indonesia, Ireland, Italy, Jamaica, Japan, Kenya, Madagascar, Malaysia, Mali, Mozambique, Namibia, Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan, Peru, Philippines, Poland, Romania, Russia, Rwanda, Samoa, Slovakia, South Africa, Spain, Sri Lanka, Sweden, Syria, Tajikistan, Tanzania, Thailand, Togo, Turkey, Uganda, Ukraine, United Kingdom, United States, Uruguay, Venezuela, Zambia, Zimbabwe).


These are the first 25 records:

records
dataset_id record_id date country adm1 adm2 adm3 location site longitude latitude geo_from_source elevation depth_top depth_bottom soil_depth soil_pH soil_pH_KCl soil_pH_CaCl2 soil_SOC soil_sand soil_clay soil_silt soil_texture soil_N soil_K soil_P_total soil_P soil_Ca soil_Mg soil_B soil_Cu soil_Mn soil_Fe soil_S soil_Zn soil_Na soil_Al soil_C soil_EC soil_bd soil_CEC soil_ECEC soil_PSI soil_ex_acidity soil_element soil_method
doi_10.34725_DVN_28457 1 Ethiopia Borena 38.60793 3.734650 TRUE NA NA NA 0-20 NA NA NA 0.9176488 27.53423 47.81548 18.28473 0.0708199 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.9644642 NA NA NA NA NA NA
doi_10.34725_DVN_28457 2 Ethiopia Borena 38.60793 3.734650 TRUE NA NA NA 0-20 NA NA NA 0.9176488 27.53423 47.81548 18.28473 0.0708199 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.9644642 NA NA NA NA NA NA
doi_10.34725_DVN_28457 3 Ethiopia Borena 38.60793 3.734650 TRUE NA NA NA 20-50 NA NA NA 0.8346591 30.86291 47.61387 17.89037 0.0635833 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.8835665 NA NA NA NA NA NA
doi_10.34725_DVN_28457 4 Ethiopia Borena 38.60760 3.744233 TRUE NA NA NA 0-20 NA NA NA 0.7059576 32.47930 50.90845 16.76507 0.0536220 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.7271188 NA NA NA NA NA NA
doi_10.34725_DVN_28457 5 Ethiopia Borena 38.60760 3.744233 TRUE NA NA NA 20-50 NA NA NA 0.8709291 20.61527 49.09347 15.27562 0.0706469 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.9162501 NA NA NA NA NA NA
doi_10.34725_DVN_28457 6 Ethiopia Borena 38.60667 3.732550 TRUE NA NA NA 0-20 NA NA NA 1.0349036 31.11163 49.12159 21.91474 0.0764671 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.0713848 NA NA NA NA NA NA
doi_10.34725_DVN_28457 7 Ethiopia Borena 38.60667 3.732550 TRUE NA NA NA 20-50 NA NA NA 1.4480286 16.98335 47.76223 22.57119 0.1173224 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.4852181 NA NA NA NA NA NA
doi_10.34725_DVN_28457 8 Ethiopia Borena 38.60622 3.735450 TRUE NA NA NA 0-20 NA NA NA 1.4490346 21.04774 51.87505 22.88281 0.1146363 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.5237480 NA NA NA NA NA NA
doi_10.34725_DVN_28457 9 Ethiopia Borena 38.60622 3.735450 TRUE NA NA NA 20-50 NA NA NA 1.5617443 17.95638 53.46042 22.66071 0.1259154 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.6149914 NA NA NA NA NA NA
doi_10.34725_DVN_28457 10 Ethiopia Borena 38.60630 3.735817 TRUE NA NA NA 0-20 NA NA NA 1.7133567 13.55256 55.99325 19.75399 0.1415136 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.7696361 NA NA NA NA NA NA
doi_10.34725_DVN_28457 11 Ethiopia Borena 38.60630 3.735817 TRUE NA NA NA 20-50 NA NA NA 1.5904403 15.72357 54.13690 19.43540 0.1289715 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.6835934 NA NA NA NA NA NA
doi_10.34725_DVN_28457 12 Ethiopia Borena 38.60342 3.734000 TRUE NA NA NA 0-20 NA NA NA 1.1405589 22.33591 45.02773 22.62180 0.0878433 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2252547 NA NA NA NA NA NA
doi_10.34725_DVN_28457 13 Ethiopia Borena 38.60342 3.734000 TRUE NA NA NA 0-20 NA NA NA 1.1405589 22.33591 45.02773 22.62180 0.0878433 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2252547 NA NA NA NA NA NA
doi_10.34725_DVN_28457 14 Ethiopia Borena 38.60342 3.734000 TRUE NA NA NA 20-50 NA NA NA 1.2040055 19.91055 46.37915 20.72746 0.0935600 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2998004 NA NA NA NA NA NA
doi_10.34725_DVN_28457 15 Ethiopia Borena 38.60455 3.734400 TRUE NA NA NA 0-20 NA NA NA 1.2795661 20.28555 45.81694 24.12027 0.1005493 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3639006 NA NA NA NA NA NA
doi_10.34725_DVN_28457 16 Ethiopia Borena 38.60455 3.734400 TRUE NA NA NA 0-20 NA NA NA 1.2795661 20.28555 45.81694 24.12027 0.1005493 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3639006 NA NA NA NA NA NA
doi_10.34725_DVN_28457 17 Ethiopia Borena 38.60455 3.734400 TRUE NA NA NA 20-50 NA NA NA 1.1827884 27.48760 42.73053 25.58592 0.0907109 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2754940 NA NA NA NA NA NA
doi_10.34725_DVN_28457 18 Ethiopia Borena 38.60252 3.737100 TRUE NA NA NA 0-20 NA NA NA 1.1931448 16.46442 50.73204 19.26533 0.0980283 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2616127 NA NA NA NA NA NA
doi_10.34725_DVN_28457 19 Ethiopia Borena 38.60252 3.737100 TRUE NA NA NA 0-20 NA NA NA 1.1931448 16.46442 50.73204 19.26533 0.0980283 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.2616127 NA NA NA NA NA NA
doi_10.34725_DVN_28457 20 Ethiopia Borena 38.60252 3.737100 TRUE NA NA NA 20-50 NA NA NA 1.4956830 22.90519 44.64123 27.62518 0.1195413 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.5669138 NA NA NA NA NA NA
doi_10.34725_DVN_28457 21 Ethiopia Borena 38.60260 3.736950 TRUE NA NA NA 0-20 NA NA NA 1.0245831 22.02829 52.27413 20.27703 0.0808421 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.0928938 NA NA NA NA NA NA
doi_10.34725_DVN_28457 22 Ethiopia Borena 38.60260 3.736950 TRUE NA NA NA 20-50 NA NA NA 0.9986816 19.70918 51.75366 17.03598 0.0797710 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.0651737 NA NA NA NA NA NA
doi_10.34725_DVN_28457 23 Ethiopia Borena 38.60095 3.737583 TRUE NA NA NA 0-20 NA NA NA 1.3329228 26.06409 44.76829 27.22235 0.1060994 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3855152 NA NA NA NA NA NA
doi_10.34725_DVN_28457 24 Ethiopia Borena 38.60095 3.737583 TRUE NA NA NA 0-20 NA NA NA 1.3329228 26.06409 44.76829 27.22235 0.1060994 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3855152 NA NA NA NA NA NA
doi_10.34725_DVN_28457 25 Ethiopia Borena 38.60095 3.737583 TRUE NA NA NA 20-50 NA NA NA 1.2868326 22.40425 50.15829 21.32006 0.1038503 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.3461603 NA NA NA NA NA NA


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


We have 18095 observations, for which we have 7371 unique mapped locations. 958 records do not have coordinates.


The data are further summarized in the table below

Variable Stats / Values Freqs (% of Valid) Graph Missing
date [character]
1. (Empty string)
2. 2016-01
3. 2018
4. 2019
5. 2020
14553(80.4%)
359(2.0%)
767(4.2%)
1816(10.0%)
600(3.3%)
 0 (0.0%)
country [character]
1. Ethiopia
2. India
3. Tanzania
4. Kenya
5. Madagascar
6. Namibia
7. China
8. Indonesia
9. Nigeria
10. Uganda
[ 66 others ]
3714(20.5%)
3235(17.9%)
2647(14.6%)
2436(13.5%)
347(1.9%)
283(1.6%)
276(1.5%)
266(1.5%)
234(1.3%)
222(1.2%)
4435(24.5%)
 0 (0.0%)
adm1 [character]
1. (Empty string)
2. Songwe
3. Kilimanjaro
4. Geita
5. Manyara
6. Arusha
7. Iringa
8. Njombe
9. Ruvuma
10. Rukwa
[ 24 others ]
16211(89.6%)
251(1.4%)
240(1.3%)
208(1.1%)
189(1.0%)
146(0.8%)
143(0.8%)
139(0.8%)
98(0.5%)
84(0.5%)
386(2.1%)
 0 (0.0%)
adm2 [character]
1. (Empty string)
2. Mbozi
3. Geita
4. Kilolo
5. Hai
6. Monduli
7. Babati
8. Karatu
9. Namtumbo
10. Songea
[ 95 others ]
16212(89.6%)
204(1.1%)
200(1.1%)
52(0.3%)
50(0.3%)
50(0.3%)
49(0.3%)
49(0.3%)
49(0.3%)
49(0.3%)
1131(6.3%)
 0 (0.0%)
adm3 [character]
1. (Empty string)
2. Maposeni
3. Chiwezi
4. Isansa
5. Laela
6. Sepeko
7. Ntuchi
8. Madilu
9. Lembeni
10. Ulembwe
[ 237 others ]
16583(91.6%)
46(0.3%)
45(0.2%)
43(0.2%)
42(0.2%)
42(0.2%)
36(0.2%)
35(0.2%)
34(0.2%)
34(0.2%)
1155(6.4%)
 0 (0.0%)
location [character]
1. Borena
2. (Empty string)
3. Chasimba
4. Muminji
5. KuboSouth
6. Lushoto
7. Thange
8. Gatunga
9. Didy
10. Omusati
[ 1050 others ]
3333(18.4%)
885(4.9%)
315(1.7%)
311(1.7%)
308(1.7%)
300(1.7%)
292(1.6%)
288(1.6%)
222(1.2%)
212(1.2%)
11629(64.3%)
 0 (0.0%)
site [character]
1. (Empty string)
2. Manyara
3. Kilimanjaro
4. Iringa
5. Mbeya
6. Njombe
7. Arusha
8. Rukwa
9. Ruvuma
10. Lunyanywi
[ 230 others ]
16721(92.4%)
75(0.4%)
47(0.3%)
45(0.2%)
45(0.2%)
45(0.2%)
42(0.2%)
30(0.2%)
30(0.2%)
16(0.1%)
999(5.5%)
 0 (0.0%)
geo_from_source [logical]
1. FALSE
2. TRUE
22(0.2%)
12734(99.8%)
 5339 (29.5%)
elevation [numeric]
Mean (sd) : 1414.4 (358)
min ≤ med ≤ max:
687.9 ≤ 1422.3 ≤ 2163.8
IQR (CV) : 467.4 (0.3)
 961 distinct values 16582 (91.6%)
depth_top [integer]
Min : 0
Mean : 7.6
Max : 20
0:945(62.0%)
20:580(38.0%)
 16570 (91.6%)
depth_bottom [integer]
Min : 20
Mean : 31.4
Max : 50
20:945(62.0%)
50:580(38.0%)
 16570 (91.6%)
soil_depth [character]
1. (Empty string)
2. 0-20
3. 0-30
4. 20
5. 20-50
6. 30-100
7. NA-NA
10399(57.5%)
3776(20.9%)
106(0.6%)
371(2.1%)
3323(18.4%)
106(0.6%)
14(0.1%)
 0 (0.0%)
soil_pH [numeric]
Mean (sd) : 6.5 (1.2)
min ≤ med ≤ max:
2.8 ≤ 6.4 ≤ 10.5
IQR (CV) : 1.8 (0.2)
 2095 distinct values 4593 (25.4%)
soil_pH_KCl [numeric]
Mean (sd) : 5.1 (1.3)
min ≤ med ≤ max:
2.3 ≤ 4.8 ≤ 9.8
IQR (CV) : 1.9 (0.3)
 75 distinct values 13662 (75.5%)
soil_pH_CaCl2 [numeric]
Mean (sd) : 6.3 (1.6)
min ≤ med ≤ max:
3.1 ≤ 7.4 ≤ 8.1
IQR (CV) : 2.7 (0.3)
 32 distinct values 18020 (99.6%)
soil_SOC [numeric]
Mean (sd) : 2.2 (3.7)
min ≤ med ≤ max:
0 ≤ 0.9 ≤ 75.9
IQR (CV) : 2.6 (1.7)
 7402 distinct values 1924 (10.6%)
soil_sand [numeric]
Mean (sd) : 29.8 (26.1)
min ≤ med ≤ max:
-5 ≤ 20 ≤ 100
IQR (CV) : 40.6 (0.9)
 4706 distinct values 8177 (45.2%)
soil_clay [numeric]
Mean (sd) : 45.5 (24.2)
min ≤ med ≤ max:
0 ≤ 47.3 ≤ 96.8
IQR (CV) : 39.3 (0.5)
 4583 distinct values 8121 (44.9%)
soil_silt [numeric]
Mean (sd) : 25.2 (16.6)
min ≤ med ≤ max:
-2 ≤ 20.7 ≤ 256
IQR (CV) : 18.3 (0.7)
 4329 distinct values 9824 (54.3%)
soil_texture [character]
1. (Empty string)
2. clay
3. clay loam
4. loamy sand
5. sandy clay
6. sandy clay loam
7. sandy loam
17724(97.9%)
175(1.0%)
1(0.0%)
45(0.2%)
1(0.0%)
61(0.3%)
88(0.5%)
 0 (0.0%)
soil_N [numeric]
Mean (sd) : 145.8 (264.1)
min ≤ med ≤ max:
0 ≤ 0.4 ≤ 4607.5
IQR (CV) : 213 (1.8)
 4921 distinct values 7316 (40.4%)
soil_K [numeric]
Mean (sd) : 97.4 (178.3)
min ≤ med ≤ max:
0 ≤ 1.2 ≤ 6650
IQR (CV) : 154.7 (1.8)
 4692 distinct values 6251 (34.5%)
soil_P_total [numeric]
Mean (sd) : 119.6 (252.1)
min ≤ med ≤ max:
0 ≤ 36.7 ≤ 6306.8
IQR (CV) : 91.9 (2.1)
 4722 distinct values 11369 (62.8%)
soil_P [numeric]
Mean (sd) : 7.4 (22.6)
min ≤ med ≤ max:
0 ≤ 2.5 ≤ 505.6
IQR (CV) : 4 (3.1)
 712 distinct values 16093 (88.9%)
soil_Ca [numeric]
Mean (sd) : 265.2 (698.8)
min ≤ med ≤ max:
0 ≤ 11.2 ≤ 14200
IQR (CV) : 95.2 (2.6)
 3799 distinct values 9476 (52.4%)
soil_Mg [numeric]
Mean (sd) : 55.8 (159.3)
min ≤ med ≤ max:
0 ≤ 2.5 ≤ 3030
IQR (CV) : 15.1 (2.9)
 3907 distinct values 9785 (54.1%)
soil_B [numeric]
Mean (sd) : 0.6 (0.8)
min ≤ med ≤ max:
0 ≤ 0.4 ≤ 19.4
IQR (CV) : 0.6 (1.5)
 2405 distinct values 12610 (69.7%)
soil_Cu [numeric]
Mean (sd) : 2.5 (1.9)
min ≤ med ≤ max:
0 ≤ 2.1 ≤ 20.6
IQR (CV) : 1.5 (0.8)
 420 distinct values 14484 (80.0%)
soil_Mn [numeric]
Mean (sd) : 45.3 (65)
min ≤ med ≤ max:
0.4 ≤ 24.7 ≤ 2318
IQR (CV) : 29.9 (1.4)
 3353 distinct values 12609 (69.7%)
soil_Fe [numeric]
Mean (sd) : 69.3 (68.7)
min ≤ med ≤ max:
0.8 ≤ 58.6 ≤ 3084
IQR (CV) : 56.9 (1)
 3975 distinct values 12609 (69.7%)
soil_S [numeric]
Mean (sd) : 18.7 (28.6)
min ≤ med ≤ max:
0 ≤ 11.2 ≤ 420
IQR (CV) : 13.7 (1.5)
 3166 distinct values 12609 (69.7%)
soil_Zn [numeric]
Mean (sd) : 1.3 (3.3)
min ≤ med ≤ max:
0 ≤ 0.8 ≤ 62
IQR (CV) : 0.7 (2.5)
 1775 distinct values 12980 (71.7%)
soil_Na [numeric]
Mean (sd) : 13.7 (103.5)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 6820
IQR (CV) : 17.1 (7.6)
 3982 distinct values 9445 (52.2%)
soil_Al [numeric]
Mean (sd) : 775.3 (461.2)
min ≤ med ≤ max:
16.6 ≤ 747.9 ≤ 3320.6
IQR (CV) : 576.4 (0.6)
 1999 distinct values 15792 (87.3%)
soil_C [numeric]
Mean (sd) : 2.6 (1.7)
min ≤ med ≤ max:
0.1 ≤ 2.6 ≤ 22
IQR (CV) : 2.2 (0.7)
 4136 distinct values 12015 (66.4%)
soil_EC [numeric]
Mean (sd) : 690.2 (2215.2)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 32056.7
IQR (CV) : 0.3 (3.2)
 1934 distinct values 9032 (49.9%)
soil_bd [numeric]
Mean (sd) : 1.3 (0.4)
min ≤ med ≤ max:
0.8 ≤ 1.3 ≤ 7.4
IQR (CV) : 0.3 (0.3)
 200 distinct values 17793 (98.3%)
soil_CEC [numeric]
Mean (sd) : 17.3 (18)
min ≤ med ≤ max:
0 ≤ 11.9 ≤ 247
IQR (CV) : 17.3 (1)
 698 distinct values 13723 (75.8%)
soil_ECEC [numeric]
Mean (sd) : 15.2 (15.4)
min ≤ med ≤ max:
0 ≤ 9.5 ≤ 75.5
IQR (CV) : 20 (1)
 1874 distinct values 16093 (88.9%)
soil_PSI [numeric]
Mean (sd) : 162.4 (187.3)
min ≤ med ≤ max:
20 ≤ 120.7 ≤ 1160.5
IQR (CV) : 85.6 (1.2)
 123 distinct values 17699 (97.8%)
soil_ex_acidity [numeric]
Mean (sd) : 0.4 (0.7)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 4.8
IQR (CV) : 0.2 (1.7)
 97 distinct values 17328 (95.8%)
soil_element [character]
1. (Empty string)
2. Al
3. B
4. Ca
5. Fe
6. K
7. Mg
8. Mn
9. Na
10. P
[ 2 others ]
18074(99.9%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
2(0.0%)
3(0.0%)
 0 (0.0%)
soil_method [character]
1. (Empty string)
2. Mehlich3 extraction
3. Olsen
4. spectroscopy (Mehlic
18074(99.9%)
11(0.1%)
1(0.0%)
9(0.0%)
 0 (0.0%)