This report describes the the Carob “soil_samples” group.

This dataset combines 27 standardized individual data sources. It has has 22768 records and 51 variables for 0 crops () in 77 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, Mexico, 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 variable method country adm1 adm2 adm3 adm4 location site longitude latitude geo_from_source elevation depth_top depth_bottom soil_pH soil_pH_KCl soil_pH_CaCl2 soil_SOC soil_SOM soil_sand soil_clay soil_silt soil_texture soil_N soil_K soil_P_total soil_P soil_P_method 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_acidity_sat soil_PSI soil_ex_acidity soil_WHC_sat
doi_10.34725_DVN_28457 1 Ethiopia Borena 38.60793 3.734650 TRUE NA NA NA NA NA NA 0.9176488 NA 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 NA NA
doi_10.34725_DVN_28457 2 Ethiopia Borena 38.60793 3.734650 TRUE NA NA NA NA NA NA 0.8346591 NA 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 NA NA
doi_10.34725_DVN_28457 3 Ethiopia Borena 38.60760 3.744233 TRUE NA NA NA NA NA NA 0.7059576 NA 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 NA NA
doi_10.34725_DVN_28457 4 Ethiopia Borena 38.60760 3.744233 TRUE NA NA NA NA NA NA 0.8709291 NA 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 NA NA
doi_10.34725_DVN_28457 5 Ethiopia Borena 38.60667 3.732550 TRUE NA NA NA NA NA NA 1.0349036 NA 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 NA NA
doi_10.34725_DVN_28457 6 Ethiopia Borena 38.60667 3.732550 TRUE NA NA NA NA NA NA 1.4480286 NA 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 NA NA
doi_10.34725_DVN_28457 7 Ethiopia Borena 38.60622 3.735450 TRUE NA NA NA NA NA NA 1.4490346 NA 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 NA NA
doi_10.34725_DVN_28457 8 Ethiopia Borena 38.60622 3.735450 TRUE NA NA NA NA NA NA 1.5617443 NA 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 NA NA
doi_10.34725_DVN_28457 9 Ethiopia Borena 38.60630 3.735817 TRUE NA NA NA NA NA NA 1.7133567 NA 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 NA NA
doi_10.34725_DVN_28457 10 Ethiopia Borena 38.60630 3.735817 TRUE NA NA NA NA NA NA 1.5904403 NA 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 NA NA
doi_10.34725_DVN_28457 11 Ethiopia Borena 38.60342 3.734000 TRUE NA NA NA NA NA NA 1.1405589 NA 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 NA NA
doi_10.34725_DVN_28457 12 Ethiopia Borena 38.60342 3.734000 TRUE NA NA NA NA NA NA 1.2040055 NA 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 NA NA
doi_10.34725_DVN_28457 13 Ethiopia Borena 38.60455 3.734400 TRUE NA NA NA NA NA NA 1.2795661 NA 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 NA NA
doi_10.34725_DVN_28457 14 Ethiopia Borena 38.60455 3.734400 TRUE NA NA NA NA NA NA 1.1827884 NA 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 NA NA
doi_10.34725_DVN_28457 15 Ethiopia Borena 38.60252 3.737100 TRUE NA NA NA NA NA NA 1.1931448 NA 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 NA NA
doi_10.34725_DVN_28457 16 Ethiopia Borena 38.60252 3.737100 TRUE NA NA NA NA NA NA 1.4956830 NA 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 NA NA
doi_10.34725_DVN_28457 17 Ethiopia Borena 38.60260 3.736950 TRUE NA NA NA NA NA NA 1.0245831 NA 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 NA NA
doi_10.34725_DVN_28457 18 Ethiopia Borena 38.60260 3.736950 TRUE NA NA NA NA NA NA 0.9986816 NA 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 NA NA
doi_10.34725_DVN_28457 19 Ethiopia Borena 38.60095 3.737583 TRUE NA NA NA NA NA NA 1.3329228 NA 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 NA NA
doi_10.34725_DVN_28457 20 Ethiopia Borena 38.60095 3.737583 TRUE NA NA NA NA NA NA 1.2868326 NA 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 NA NA
doi_10.34725_DVN_28457 21 Ethiopia Borena 38.60945 3.733650 TRUE NA NA NA NA NA NA 1.4405564 NA 35.89821 38.99316 32.83863 0.1123351 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.4582175 NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 22 Ethiopia Borena 38.60945 3.733650 TRUE NA NA NA NA NA NA 0.9490404 NA 42.46699 34.52722 30.69875 0.0764673 NA NA NA NA NA NA NA NA NA NA NA NA NA 0.9678075 NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 23 Ethiopia Borena 38.61027 3.737250 TRUE NA NA NA NA NA NA 1.3928021 NA 26.38350 44.71473 25.71948 0.1099478 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.4528138 NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 24 Ethiopia Borena 38.61027 3.737250 TRUE NA NA NA NA NA NA 1.5176741 NA 25.56787 44.54858 27.86236 0.1203651 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.5757156 NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 25 Ethiopia Borena 38.60812 3.734867 TRUE NA NA NA NA NA NA 1.0804541 NA 25.63214 46.50264 21.74122 0.0848013 NA NA NA NA NA NA NA NA NA NA NA NA NA 1.1455795 NA NA NA NA NA NA NA NA


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


We have 22768 observations, for which we have 9492 unique mapped locations. 1003 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
19226(84.4%)
359(1.6%)
767(3.4%)
1816(8.0%)
600(2.6%)
 0 (0.0%)
variable [character]
1. (Empty string)
2. soil_Al
3. soil_B
4. soil_Ca
5. soil_Fe
6. soil_K
7. soil_Mg
8. soil_Mn
9. soil_Na
10. soil_S
[ 2 others ]
22702(99.7%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
7(0.0%)
3(0.0%)
 0 (0.0%)
method [character]
1. (Empty string)
2. Mehlich3 (estimated
3. Mehlich3 (estimated
4. Mehlich3 extraction
5. Olsen
22702(99.7%)
45(0.2%)
9(0.0%)
11(0.0%)
1(0.0%)
 0 (0.0%)
country [character]
1. Tanzania
2. Ethiopia
3. India
4. Kenya
5. Rwanda
6. Madagascar
7. Mexico
8. Namibia
9. China
10. Indonesia
[ 67 others ]
6180(27.1%)
3841(16.9%)
3235(14.2%)
2436(10.7%)
686(3.0%)
347(1.5%)
342(1.5%)
283(1.2%)
276(1.2%)
266(1.2%)
4876(21.4%)
 0 (0.0%)
adm1 [character]
1. (Empty string)
2. Kilimanjaro
3. Manyara
4. Songwe
5. Arusha
6. Iringa
7. Njombe
8. Ruvuma
9. Amhara
10. Iburengerazuba
[ 43 others ]
16073(70.6%)
720(3.2%)
567(2.5%)
458(2.0%)
438(1.9%)
429(1.9%)
387(1.7%)
294(1.3%)
268(1.2%)
268(1.2%)
2866(12.6%)
 0 (0.0%)
adm2 [character]
1. (Empty string)
2. Mbozi
3. MisraqGojjam
4. Ngororero
5. Geita
6. Burera
7. Nyaruguru
8. Kilolo
9. Hai
10. Monduli
[ 131 others ]
16128(70.8%)
317(1.4%)
268(1.2%)
268(1.2%)
236(1.0%)
196(0.9%)
161(0.7%)
156(0.7%)
150(0.7%)
150(0.7%)
4738(20.8%)
 0 (0.0%)
adm3 [character]
1. (Empty string)
2. Maposeni
3. Madilu
4. Ntuchi
5. Vitono
6. Laela
7. Chiwezi
8. Ulembwe
9. Isansa
10. Rwinga
[ 422 others ]
18699(82.1%)
116(0.5%)
97(0.4%)
90(0.4%)
71(0.3%)
70(0.3%)
65(0.3%)
64(0.3%)
59(0.3%)
55(0.2%)
3382(14.9%)
 0 (0.0%)
adm4 [character]
1. (Empty string)
2. Chiwezi
3. Sepeko
4. Isansa
5. Laela
6. Ntuchi
7. Maposeni
8. Lembeni
9. Kahe
10. Madilu
[ 127 others ]
20460(89.9%)
90(0.4%)
84(0.4%)
82(0.4%)
80(0.4%)
72(0.3%)
70(0.3%)
68(0.3%)
64(0.3%)
62(0.3%)
1636(7.2%)
 0 (0.0%)
location [character]
1. (Empty string)
2. Borena
3. Chasimba
4. Muminji
5. KuboSouth
6. Lushoto
7. Thange
8. Gatunga
9. Didy
10. Omusati
[ 1337 others ]
3469(15.2%)
3149(13.8%)
315(1.4%)
311(1.4%)
308(1.4%)
300(1.3%)
292(1.3%)
288(1.3%)
222(1.0%)
212(0.9%)
13902(61.1%)
 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 ]
21394(94.0%)
75(0.3%)
47(0.2%)
45(0.2%)
45(0.2%)
45(0.2%)
42(0.2%)
30(0.1%)
30(0.1%)
16(0.1%)
999(4.4%)
 0 (0.0%)
geo_from_source [logical]
1. FALSE
2. TRUE
22(0.1%)
17362(99.9%)
 5384 (23.6%)
elevation [numeric]
Mean (sd) : 1406.4 (356.1)
min ≤ med ≤ max:
600.7 ≤ 1399.6 ≤ 2163.8
IQR (CV) : 461.9 (0.3)
 1535 distinct values 17789 (78.1%)
depth_top [integer]
Mean (sd) : 8.1 (10)
min ≤ med ≤ max:
0 ≤ 0 ≤ 30
IQR (CV) : 20 (1.2)
0:6268(60.0%)
20:4065(38.9%)
30:107(1.0%)
 12328 (54.1%)
depth_bottom [integer]
Mean (sd) : 32.9 (15.9)
min ≤ med ≤ max:
20 ≤ 20 ≤ 100
IQR (CV) : 30 (0.5)
20:5823(55.8%)
30:445(4.3%)
50:4065(38.9%)
60:1(0.0%)
100:106(1.0%)
 12328 (54.1%)
soil_pH [numeric]
Mean (sd) : 6.4 (1.1)
min ≤ med ≤ max:
2.8 ≤ 6.2 ≤ 10.5
IQR (CV) : 1.5 (0.2)
 3505 distinct values 4488 (19.7%)
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 18335 (80.5%)
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 22693 (99.7%)
soil_SOC [numeric]
Mean (sd) : 2.1 (3.6)
min ≤ med ≤ max:
0 ≤ 1 ≤ 75.9
IQR (CV) : 2.4 (1.7)
 7405 distinct values 5777 (25.4%)
soil_SOM [numeric]
Mean (sd) : 2 (0.9)
min ≤ med ≤ max:
0.2 ≤ 1.7 ≤ 6
IQR (CV) : 1.1 (0.5)
 298 distinct values 22426 (98.5%)
soil_sand [numeric]
Mean (sd) : 29.4 (25)
min ≤ med ≤ max:
-5 ≤ 21 ≤ 107.2
IQR (CV) : 36.6 (0.9)
 5491 distinct values 11689 (51.3%)
soil_clay [numeric]
Mean (sd) : 45.9 (23.5)
min ≤ med ≤ max:
0 ≤ 48 ≤ 96.8
IQR (CV) : 38.1 (0.5)
 5422 distinct values 11633 (51.1%)
soil_silt [numeric]
Mean (sd) : 25.2 (15.7)
min ≤ med ≤ max:
-2 ≤ 21.2 ≤ 256
IQR (CV) : 17.2 (0.6)
 4945 distinct values 13336 (58.6%)
soil_texture [character]
1. (Empty string)
2. clay
3. clay loam
4. loam
5. loamy sand
6. sand
7. sandy clay
8. sandy clay loam
9. sandy loam
21053(92.5%)
1177(5.2%)
187(0.8%)
115(0.5%)
48(0.2%)
2(0.0%)
4(0.0%)
82(0.4%)
100(0.4%)
 0 (0.0%)
soil_N [numeric]
Mean (sd) : 312.8 (458)
min ≤ med ≤ max:
0 ≤ 188.2 ≤ 4607.5
IQR (CV) : 376.7 (1.5)
 6372 distinct values 7395 (32.5%)
soil_K [numeric]
Mean (sd) : 114.3 (171.3)
min ≤ med ≤ max:
0 ≤ 61.3 ≤ 6650
IQR (CV) : 173.8 (1.5)
 6625 distinct values 6683 (29.4%)
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 16042 (70.5%)
soil_P [numeric]
Mean (sd) : 8 (16.9)
min ≤ med ≤ max:
0 ≤ 4.9 ≤ 638.6
IQR (CV) : 5.9 (2.1)
 3619 distinct values 16633 (73.1%)
soil_P_method [character]
1. (Empty string)
2. Bray 1
3. Bray1
4. Olsen
22476(98.7%)
2(0.0%)
203(0.9%)
87(0.4%)
 0 (0.0%)
soil_Ca [numeric]
Mean (sd) : 588.8 (1086.4)
min ≤ med ≤ max:
0 ≤ 111.7 ≤ 14678.4
IQR (CV) : 756 (1.8)
 6254 distinct values 9388 (41.2%)
soil_Mg [numeric]
Mean (sd) : 109.3 (188.9)
min ≤ med ≤ max:
0 ≤ 20.9 ≤ 3030
IQR (CV) : 146.5 (1.7)
 6723 distinct values 9328 (41.0%)
soil_B [numeric]
Mean (sd) : 0.4 (0.7)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 19.4
IQR (CV) : 0.5 (1.7)
 3784 distinct values 12505 (54.9%)
soil_Cu [numeric]
Mean (sd) : 2.3 (1.9)
min ≤ med ≤ max:
0 ≤ 1.9 ≤ 20.6
IQR (CV) : 1.6 (0.8)
 689 distinct values 18815 (82.6%)
soil_Mn [numeric]
Mean (sd) : 50.5 (60)
min ≤ med ≤ max:
0.1 ≤ 31.2 ≤ 2318
IQR (CV) : 38.9 (1.2)
 5262 distinct values 13038 (57.3%)
soil_Fe [numeric]
Mean (sd) : 87.6 (69.6)
min ≤ med ≤ max:
0.6 ≤ 76.2 ≤ 3084
IQR (CV) : 61.7 (0.8)
 6381 distinct values 12505 (54.9%)
soil_S [numeric]
Mean (sd) : 17.7 (197.8)
min ≤ med ≤ max:
0 ≤ 8.5 ≤ 15503.8
IQR (CV) : 9.7 (11.2)
 4568 distinct values 13258 (58.2%)
soil_Zn [numeric]
Mean (sd) : 1.1 (2.5)
min ≤ med ≤ max:
0 ≤ 0.8 ≤ 62
IQR (CV) : 0.6 (2.2)
 3116 distinct values 13879 (61.0%)
soil_Na [numeric]
Mean (sd) : 21.2 (89)
min ≤ med ≤ max:
-1.7 ≤ 9 ≤ 6820
IQR (CV) : 29 (4.2)
 5660 distinct values 10094 (44.3%)
soil_Al [numeric]
Mean (sd) : 848.1 (401.6)
min ≤ med ≤ max:
0.6 ≤ 812.1 ≤ 3320.6
IQR (CV) : 495.8 (0.5)
 4212 distinct values 15925 (69.9%)
soil_C [numeric]
Mean (sd) : 2 (1.7)
min ≤ med ≤ max:
0.1 ≤ 1.4 ≤ 22
IQR (CV) : 2.3 (0.9)
 6418 distinct values 13440 (59.0%)
soil_EC [numeric]
Mean (sd) : 501.7 (1884.1)
min ≤ med ≤ max:
0 ≤ 0.3 ≤ 32056.7
IQR (CV) : 39.4 (3.8)
 4371 distinct values 9931 (43.6%)
soil_bd [numeric]
Mean (sd) : 1.2 (0.3)
min ≤ med ≤ max:
0.8 ≤ 1.2 ≤ 7.4
IQR (CV) : 0.3 (0.3)
 482 distinct values 22125 (97.2%)
soil_CEC [numeric]
Mean (sd) : 17.1 (16.6)
min ≤ med ≤ max:
0 ≤ 12.5 ≤ 247
IQR (CV) : 15.3 (1)
 1746 distinct values 17101 (75.1%)
soil_ECEC [numeric]
Mean (sd) : 15.2 (15.4)
min ≤ med ≤ max:
0 ≤ 9.5 ≤ 75.5
IQR (CV) : 20 (1)
 1874 distinct values 20766 (91.2%)
soil_acidity_sat [numeric]
Mean (sd) : 2.2 (1.4)
min ≤ med ≤ max:
0.1 ≤ 2.1 ≤ 7.1
IQR (CV) : 1.5 (0.6)
 74 distinct values 22689 (99.7%)
soil_PSI [numeric]
Mean (sd) : 126.9 (108.7)
min ≤ med ≤ max:
20 ≤ 115.8 ≤ 1160.5
IQR (CV) : 70.4 (0.9)
 1093 distinct values 21368 (93.9%)
soil_ex_acidity [numeric]
Mean (sd) : 0.5 (0.6)
min ≤ med ≤ max:
0 ≤ 0.3 ≤ 4.8
IQR (CV) : 0.3 (1.2)
 158 distinct values 21247 (93.3%)
soil_WHC_sat [numeric]
Mean (sd) : 51.3 (13.6)
min ≤ med ≤ max:
0 ≤ 49 ≤ 96
IQR (CV) : 15.4 (0.3)
 117 distinct values 22427 (98.5%)