This report describes the the Carob “soil_samples” group.

This dataset combines 13 standardized individual data sources. It has has 17986 records and 48 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 trial_id record_id date country adm1 adm2 adm3 location site longitude latitude elevation soil_pH soil_pH_KCl soil_pH_CaCl2 soil_SOC soil_sand soil_clay soil_silt soil_N soil_K soil_P_total soil_P_available 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_sample_top soil_sample_bottom soil_CEC soil_ECEC soil_ex_Ca soil_ex_Mg soil_ex_K soil_ex_Na soil_ex_Al soil_PSI soil_ex_acidity
doi_10.34725_DVN_28457 icr116151 1 Ethiopia Borena 38.60793 3.734650 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116151 2 Ethiopia Borena 38.60793 3.734650 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116152 3 Ethiopia Borena 38.60793 3.734650 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116153 4 Ethiopia Borena 38.60760 3.744233 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116154 5 Ethiopia Borena 38.60760 3.744233 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116155 6 Ethiopia Borena 38.60667 3.732550 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116156 7 Ethiopia Borena 38.60667 3.732550 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116157 8 Ethiopia Borena 38.60622 3.735450 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116158 9 Ethiopia Borena 38.60622 3.735450 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116159 10 Ethiopia Borena 38.60630 3.735817 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116160 11 Ethiopia Borena 38.60630 3.735817 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116162 12 Ethiopia Borena 38.60342 3.734000 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116162 13 Ethiopia Borena 38.60342 3.734000 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116163 14 Ethiopia Borena 38.60342 3.734000 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116166 15 Ethiopia Borena 38.60455 3.734400 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116166 16 Ethiopia Borena 38.60455 3.734400 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116167 17 Ethiopia Borena 38.60455 3.734400 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116169 18 Ethiopia Borena 38.60252 3.737100 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116169 19 Ethiopia Borena 38.60252 3.737100 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116170 20 Ethiopia Borena 38.60252 3.737100 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116171 21 Ethiopia Borena 38.60260 3.736950 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116172 22 Ethiopia Borena 38.60260 3.736950 NA 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 20 50 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116173 23 Ethiopia Borena 38.60095 3.737583 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116173 24 Ethiopia Borena 38.60095 3.737583 NA 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 0 20 NA NA NA NA NA NA NA NA NA
doi_10.34725_DVN_28457 icr116174 25 Ethiopia Borena 38.60095 3.737583 NA 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 20 50 NA 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 17986 observations, for which we have 7601 unique mapped locations. 959 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
17627(98.0%)
359(2.0%)
 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 ]
3716(20.7%)
3235(18.0%)
2557(14.2%)
2436(13.5%)
347(1.9%)
283(1.6%)
276(1.5%)
266(1.5%)
234(1.3%)
222(1.2%)
4414(24.5%)
 0 (0.0%)
adm1 [character]
1. (Empty string)
2. Kilimanjaro
3. Njombe
4. Iringa
5. Manyara
6. Arusha
7. Ruvuma
8. Songwe
9. Rukwa
10. Mbeya
[ 24 others ]
16192(90.0%)
240(1.3%)
221(1.2%)
190(1.1%)
189(1.1%)
146(0.8%)
146(0.8%)
118(0.7%)
106(0.6%)
52(0.3%)
386(2.1%)
 0 (0.0%)
adm2 [character]
1. (Empty string)
2. Namtumbo
3. Mufindi
4. Kilolo
5. Momba
6. Wangingombe
7. Ludewa
8. Iringa Rural
9. Hai
10. Mbeya Rural
[ 105 others ]
16193(90.0%)
73(0.4%)
72(0.4%)
67(0.4%)
67(0.4%)
54(0.3%)
53(0.3%)
51(0.3%)
50(0.3%)
50(0.3%)
1256(7.0%)
 0 (0.0%)
adm3 [character]
1. (Empty string)
2. Maposeni
3. Chiwezi
4. Laela
5. Sepeko
6. Isansa
7. Ntuchi
8. Madilu
9. Lembeni
10. Ulembwe
[ 328 others ]
16203(90.1%)
46(0.3%)
45(0.3%)
44(0.2%)
44(0.2%)
43(0.2%)
36(0.2%)
35(0.2%)
34(0.2%)
34(0.2%)
1422(7.9%)
 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
[ 1150 others ]
3708(20.6%)
3335(18.5%)
315(1.8%)
311(1.7%)
308(1.7%)
300(1.7%)
292(1.6%)
288(1.6%)
222(1.2%)
212(1.2%)
8695(48.3%)
 0 (0.0%)
site [character]
1. (Empty string)
2. Manyara
3. Kilimanjaro
4. Iringa
5. Mbeya
6. Njombe
7. Arusha
8. Hallu
9. Rukwa
10. Ruvuma
[ 231 others ]
16580(92.2%)
75(0.4%)
47(0.3%)
45(0.3%)
45(0.3%)
45(0.3%)
42(0.2%)
32(0.2%)
30(0.2%)
30(0.2%)
1015(5.6%)
 0 (0.0%)
elevation [numeric]
Mean (sd) : 1405.9 (392.7)
min ≤ med ≤ max:
-13.4 ≤ 1426.2 ≤ 2599.6
IQR (CV) : 524.4 (0.3)
 1123 distinct values 16192 (90.0%)
soil_pH [numeric]
Mean (sd) : 6.5 (1.2)
min ≤ med ≤ max:
2.8 ≤ 6.4 ≤ 10.5
IQR (CV) : 1.8 (0.2)
 2370 distinct values 4574 (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 13553 (75.4%)
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 17911 (99.6%)
soil_SOC [numeric]
Mean (sd) : 2.3 (3.8)
min ≤ med ≤ max:
0 ≤ 1 ≤ 75.9
IQR (CV) : 2.8 (1.6)
 6260 distinct values 3329 (18.5%)
soil_sand [numeric]
Mean (sd) : 29.2 (25.9)
min ≤ med ≤ max:
-5 ≤ 19.4 ≤ 107.2
IQR (CV) : 39.5 (0.9)
 4360 distinct values 8437 (46.9%)
soil_clay [numeric]
Mean (sd) : 45.8 (24.1)
min ≤ med ≤ max:
0 ≤ 47.5 ≤ 96.8
IQR (CV) : 38.7 (0.5)
 4244 distinct values 8381 (46.6%)
soil_silt [numeric]
Mean (sd) : 25.6 (16.8)
min ≤ med ≤ max:
-2 ≤ 21.2 ≤ 256
IQR (CV) : 19 (0.7)
 4004 distinct values 10084 (56.1%)
soil_N [numeric]
Mean (sd) : 63.7 (102.9)
min ≤ med ≤ max:
0 ≤ 0.3 ≤ 953.3
IQR (CV) : 163 (1.6)
 5184 distinct values 7295 (40.6%)
soil_K [numeric]
Mean (sd) : 113.6 (188.8)
min ≤ med ≤ max:
0 ≤ 42.9 ≤ 6650
IQR (CV) : 178 (1.7)
 2606 distinct values 8234 (45.8%)
soil_P_total [numeric]
Mean (sd) : 142.6 (271.1)
min ≤ med ≤ max:
0 ≤ 51.4 ≤ 6306.8
IQR (CV) : 121.8 (1.9)
 3578 distinct values 12405 (69.0%)
soil_P_available [numeric]
Mean (sd) : 12 (6.8)
min ≤ med ≤ max:
4.3 ≤ 10.9 ≤ 31.1
IQR (CV) : 8.4 (0.6)
 30 distinct values 17954 (99.8%)
soil_Ca [numeric]
Mean (sd) : 329.3 (883)
min ≤ med ≤ max:
0 ≤ 12.9 ≤ 29959.1
IQR (CV) : 179.5 (2.7)
 2137 distinct values 11818 (65.7%)
soil_Mg [numeric]
Mean (sd) : 66.9 (177.9)
min ≤ med ≤ max:
0 ≤ 3 ≤ 3030
IQR (CV) : 41.2 (2.7)
 1823 distinct values 11768 (65.4%)
soil_B [numeric]
Mean (sd) : 0.6 (0.8)
min ≤ med ≤ max:
0 ≤ 0.4 ≤ 19.4
IQR (CV) : 0.6 (1.5)
 2685 distinct values 12591 (70.0%)
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 14375 (79.9%)
soil_Mn [numeric]
Mean (sd) : 41.6 (63.2)
min ≤ med ≤ max:
0.4 ≤ 24.2 ≤ 2318
IQR (CV) : 23.2 (1.5)
 2930 distinct values 12949 (72.0%)
soil_Fe [numeric]
Mean (sd) : 67.6 (68.7)
min ≤ med ≤ max:
0.8 ≤ 57.3 ≤ 3084
IQR (CV) : 53.2 (1)
 3905 distinct values 12590 (70.0%)
soil_S [numeric]
Mean (sd) : 19.7 (29.1)
min ≤ med ≤ max:
0 ≤ 11.8 ≤ 420
IQR (CV) : 15.6 (1.5)
 3191 distinct values 12590 (70.0%)
soil_Zn [numeric]
Mean (sd) : 1.3 (3.2)
min ≤ med ≤ max:
0 ≤ 0.8 ≤ 62
IQR (CV) : 0.7 (2.5)
 2055 distinct values 12590 (70.0%)
soil_Na [numeric]
Mean (sd) : 16.1 (120.7)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 6820
IQR (CV) : 21.4 (7.5)
 1706 distinct values 11787 (65.5%)
soil_Al [numeric]
Mean (sd) : 844.2 (405.4)
min ≤ med ≤ max:
64 ≤ 792.2 ≤ 3320.6
IQR (CV) : 420.4 (0.5)
 1552 distinct values 16132 (89.7%)
soil_C [numeric]
Mean (sd) : 2.3 (1.7)
min ≤ med ≤ max:
0.1 ≤ 2 ≤ 22
IQR (CV) : 2.4 (0.8)
 5559 distinct values 10478 (58.3%)
soil_EC [numeric]
Mean (sd) : 0.7 (2.6)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 59
IQR (CV) : 0.2 (3.5)
 790 distinct values 10068 (56.0%)
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 17684 (98.3%)
soil_sample_top [integer]
Mean (sd) : 9.6 (10.2)
min ≤ med ≤ max:
0 ≤ 0 ≤ 30
IQR (CV) : 20 (1.1)
0:4600(52.6%)
20:4042(46.2%)
30:106(1.2%)
 9238 (51.4%)
soil_sample_bottom [integer]
Mean (sd) : 35 (16.5)
min ≤ med ≤ max:
20 ≤ 20 ≤ 100
IQR (CV) : 30 (0.5)
20:4494(51.4%)
30:106(1.2%)
50:4042(46.2%)
100:106(1.2%)
 9238 (51.4%)
soil_CEC [numeric]
Mean (sd) : 17.3 (18)
min ≤ med ≤ max:
0 ≤ 11.9 ≤ 247
IQR (CV) : 17.3 (1)
 698 distinct values 13614 (75.7%)
soil_ECEC [numeric]
Mean (sd) : 15.2 (15.4)
min ≤ med ≤ max:
0 ≤ 9.5 ≤ 75.5
IQR (CV) : 20 (1)
 1874 distinct values 15984 (88.9%)
soil_ex_Ca [numeric]
Mean (sd) : 41.6 (103.1)
min ≤ med ≤ max:
0 ≤ 8 ≤ 1392.1
IQR (CV) : 22.5 (2.5)
 1598 distinct values 15625 (86.9%)
soil_ex_Mg [numeric]
Mean (sd) : 9.7 (24.6)
min ≤ med ≤ max:
0 ≤ 2.3 ≤ 250.8
IQR (CV) : 4.9 (2.5)
 2359 distinct values 15625 (86.9%)
soil_ex_K [numeric]
Mean (sd) : 0.6 (0.9)
min ≤ med ≤ max:
0 ≤ 0.3 ≤ 13.2
IQR (CV) : 0.5 (1.7)
 2000 distinct values 15984 (88.9%)
soil_ex_Na [numeric]
Mean (sd) : 6.8 (30.5)
min ≤ med ≤ max:
0 ≤ 0.1 ≤ 802.7
IQR (CV) : 0.7 (4.5)
 2215 distinct values 15625 (86.9%)
soil_ex_Al [numeric]
Mean (sd) : 189.7 (162)
min ≤ med ≤ max:
16.6 ≤ 168.5 ≤ 845.1
IQR (CV) : 247.2 (0.9)
 359 distinct values 17627 (98.0%)
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 17590 (97.8%)
soil_ex_acidity [numeric]
Mean (sd) : 0.5 (1)
min ≤ med ≤ max:
0 ≤ 0.2 ≤ 4.8
IQR (CV) : 0.2 (2.1)
 40 distinct values 17590 (97.8%)