This report describes standardized data for “Cropping events of maize in Cordoba-Colombia”. These data were standardized on 2024-04-02 by Shumirai Manzvera with this R script. The original data have a CC-BY-4.0 license. Here you can download the standardized data.

This is the full citation of the data set:

Jimenez, Daniel; Delerce, Sylvain Jean; Dorado, Hugo Andres; Cock, James; Muñoz, Luis Armando; Agamez, Alejandro; Jarvis, Andy (2019). Cropping events of maize in Cordoba-Colombia. Harvard Dataverse. Version 1.0. doi:10.7910/DVN/LSDQ5C

You can also consult the accompanying paper.

The dataset has 804 records and 32 variables for maize in Colombia. The dataset has 3 treatment(s): K_fertilizer, N_fertilizer, P_fertilizer.


These are the first 25 records:

records
trial_id planting_date harvest_date on_farm is_survey crop variety variety_type previous_crop yield_part yield N_fertilizer P_fertilizer K_fertilizer irrigated planting_method row_spacing plant_spacing plant_density herbicide_times insecticide_times fungicide_times country adm1 longitude latitude geo_from_source soil_depth soil_pH soil_texture
1 2013-10-01 2014-02-03 TRUE FALSE maize PIONEER 30F32 Hibrido cotton grain 5000 46 0 0 NA mechanized 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 31 7.0 FrL
2 2013-08-25 2014-01-15 TRUE FALSE maize DK 234 Hibrido maize grain 5000 92 0 0 NA mechanized 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 20 7.0 ArL
3 2013-05-13 2013-09-26 TRUE FALSE maize PIONEER 30F32 Hibrido cotton grain 5500 46 0 0 NA mechanized 85 18.5 60000 1 0 0 Colombia Córdoba -75.80408 8.295031 FALSE 30 7.0 AF
4 2013-05-02 2013-09-11 TRUE FALSE maize Otro Hibrido cotton grain 5200 46 0 0 NA mechanized 85 18.5 60000 2 0 0 Colombia Córdoba -75.80408 8.295031 FALSE 11 6.0 FrL
5 2013-05-12 2013-09-19 TRUE FALSE maize Otro Hibrido cotton grain 5700 46 0 0 NA mechanized 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 6 7.0 FAr
6 2013-05-07 2013-09-12 TRUE FALSE maize DK 234 Hibrido maize grain 5200 92 0 0 NA mechanized 85 18.5 60000 2 2 0 Colombia Córdoba -75.80408 8.295031 FALSE 27 5.0 FrL
7 2013-05-07 2013-09-12 TRUE FALSE maize Otro Hibrido maize grain 4700 46 0 0 NA manual 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 33 7.0 ArA
8 2013-05-08 2013-09-18 TRUE FALSE maize PIONEER 30F32 Hibrido cotton grain 6000 92 0 0 NA manual 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 11 6.0 FAr
9 2013-05-02 2013-09-17 TRUE FALSE maize DK 234 Hibrido cotton grain 5500 92 0 0 NA manual 85 18.5 60000 2 0 0 Colombia Córdoba -75.80408 8.295031 FALSE 15 6.0 FA
10 2013-05-09 2013-09-22 TRUE FALSE maize PIONEER 30F35 Hibrido common bean grain 4500 46 0 0 NA mechanized 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 15 5.0 L
11 2013-05-03 2013-09-14 TRUE FALSE maize Otro Hibrido cotton grain 6200 69 0 30 NA mechanized 85 18.5 60000 0 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 20 6.0 ArA
12 2013-05-26 2013-10-05 TRUE FALSE maize Otro Hibrido cotton grain 5300 92 0 0 NA manual 85 18.5 60000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 20 6.0 FrL
13 2013-05-01 2013-09-12 TRUE FALSE maize FNC 3056 Hibrido cotton grain 4500 69 0 0 NA manual 85 18.5 60000 2 2 0 Colombia Córdoba -75.80408 8.295031 FALSE 21 6.0 FA
14 2013-05-01 2013-09-11 TRUE FALSE maize PIONEER 30F32 Hibrido maize grain 6000 92 0 30 NA manual 85 18.5 60000 2 2 0 Colombia Córdoba -75.80408 8.295031 FALSE 19 6.0 FrL
15 2013-05-10 2013-09-21 TRUE FALSE maize Otro Hibrido maize grain 5300 46 0 0 NA mechanized 85 18.5 60000 0 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 67 6.0 FrL
16 2013-05-20 2013-09-30 TRUE FALSE maize Otro Hibrido cotton grain 5800 46 0 0 NA manual 85 18.5 60000 0 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 15 6.0 FrL
17 2013-05-20 2013-09-24 TRUE FALSE maize PIONEER 30F35 Hibrido cassava grain 5500 46 0 0 NA manual 85 18.5 60000 1 2 0 Colombia Córdoba -75.80408 8.295031 FALSE 25 6.0 FA
18 2013-05-13 2013-09-17 TRUE FALSE maize Otro Hibrido maize grain 4000 92 0 0 NA mechanized 85 18.5 65000 3 2 0 Colombia Córdoba -75.80408 8.295031 FALSE 15 6.0 FrL
19 2013-05-15 2013-10-03 TRUE FALSE maize FNC 114 Hibrido maize grain 4000 92 0 0 NA mechanized 85 18.5 75000 2 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 25 6.0 FrL
20 2013-09-26 2014-02-03 TRUE FALSE maize FNC 114 Hibrido maize grain 4000 92 0 0 NA mechanized 85 18.5 65000 2 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 20 6.0 FrL
21 2013-10-01 2014-02-03 TRUE FALSE maize PIONEER 30F35 H Hibrido maize grain 4000 92 0 30 NA manual 85 18.5 65000 1 0 0 Colombia Córdoba -75.80408 8.295031 FALSE 60 6.5 ArL
22 2013-09-22 2014-02-10 TRUE FALSE maize Otro Hibrido maize grain 2500 69 0 0 NA mechanized 85 18.5 75000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 26 5.0 Ar
23 2013-10-01 2014-01-30 TRUE FALSE maize Otro Hibrido maize grain 4000 69 0 0 NA mechanized 85 18.5 65000 3 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 43 5.5 ArA
24 2013-08-25 2014-01-15 TRUE FALSE maize Otro Hibrido maize grain 2500 69 0 0 NA mechanized 85 18.5 75000 1 1 0 Colombia Córdoba -75.80408 8.295031 FALSE 0 5.0 FrL
25 2013-10-06 2014-02-10 TRUE FALSE maize PIONEER 30F35 Hibrido maize grain 5000 115 0 0 NA mechanized 85 18.5 75000 2 0 2 Colombia Córdoba -75.80408 8.295031 FALSE 70 6.5 Ar


The observations were made at 1 locations. We have coordinates for 1 of these locations.


The standardization script emits the following non-compliance warnings.

type message
invalid terms soil_texture: A, AF, Ar, ArA, ArL, F, FA, FAr, FrL, L
datespan 1 records with harvest_date within 45 days of planting_date

The overall quality of the dataset, given the completeness of required variables was 6.9 on a scale of 10. See the table below

variable completeness (%)
planting_date 100
harvest_date 100
crop 100
variety 100
N_fertilizer 100
P_fertilizer 100
K_fertilizer 100
irrigated 0
latitude 0
longitude 0
location 0
adm 100
yield 100


The data are further summarized in the table below.

Variable Stats / Values Freqs (% of Valid) Graph Missing
trial_id [integer]
Mean (sd) : 402.5 (232.2)
min ≤ med ≤ max:
1 ≤ 402.5 ≤ 804
IQR (CV) : 401.5 (0.6)
 804 distinct values (Integer sequence) 0 (0.0%)
planting_date [character]
1. 2015-05-20
2. 2015-05-18
3. 2015-05-25
4. 2015-05-21
5. 2016-05-10
6. 2016-05-04
7. 2016-05-12
8. 2016-05-09
9. 2015-05-15
10. 2015-10-02
[ 175 others ]
53(6.6%)
22(2.7%)
21(2.6%)
20(2.5%)
19(2.4%)
17(2.1%)
17(2.1%)
16(2.0%)
14(1.7%)
14(1.7%)
591(73.5%)
 0 (0.0%)
harvest_date [character]
1. 2015-09-28
2. 2016-09-20
3. 2015-09-25
4. 2015-09-30
5. 2015-09-15
6. 2015-10-05
7. 2016-09-19
8. 2015-09-29
9. 2016-02-10
10. 2016-09-12
[ 174 others ]
35(4.4%)
25(3.1%)
21(2.6%)
17(2.1%)
15(1.9%)
15(1.9%)
15(1.9%)
14(1.7%)
14(1.7%)
14(1.7%)
619(77.0%)
 0 (0.0%)
on_farm [logical] 1. TRUE
804(100.0%)
 0 (0.0%)
is_survey [logical] 1. FALSE
804(100.0%)
 0 (0.0%)
crop [character] 1. maize
804(100.0%)
 0 (0.0%)
variety [character]
1. Otro
2. DK 234
3. P3966 (Pioneer)
4. DK 234 YGRR
5. P4082 (Pioneer)
6. PIONEER 30F35 HRR
7. PAC 105
8. DK7088
9. ADV 9339 (Syngenta)
10. Impacto (Syngenta)
[ 17 others ]
240(29.9%)
107(13.3%)
88(10.9%)
80(10.0%)
53(6.6%)
52(6.5%)
41(5.1%)
32(4.0%)
25(3.1%)
23(2.9%)
63(7.8%)
 0 (0.0%)
variety_type [character]
1. Hibrido
2. OGM
3. Semilla Campesina
4. Variedad
389(48.4%)
401(49.9%)
8(1.0%)
6(0.7%)
 0 (0.0%)
previous_crop [character]
1. cassava
2. common bean
3. cotton
4. maize
5. pasture
2(0.2%)
11(1.4%)
419(52.1%)
354(44.0%)
18(2.2%)
 0 (0.0%)
yield_part [character] 1. grain
804(100.0%)
 0 (0.0%)
yield [integer]
Mean (sd) : 5012.8 (1454.3)
min ≤ med ≤ max:
1200 ≤ 5100 ≤ 8300
IQR (CV) : 2100 (0.3)
 119 distinct values 0 (0.0%)
N_fertilizer [numeric]
Mean (sd) : 93.8 (38.4)
min ≤ med ≤ max:
0 ≤ 92 ≤ 276
IQR (CV) : 39 (0.4)
 94 distinct values 0 (0.0%)
P_fertilizer [numeric]
Mean (sd) : 3.3 (8.1)
min ≤ med ≤ max:
0 ≤ 0 ≤ 47.5
IQR (CV) : 0 (2.5)
 37 distinct values 0 (0.0%)
K_fertilizer [numeric]
Mean (sd) : 20.3 (27.1)
min ≤ med ≤ max:
0 ≤ 0 ≤ 180
IQR (CV) : 30 (1.3)
 43 distinct values 0 (0.0%)
irrigated [logical]
All NA's
 804 (100.0%)
planting_method [character]
1. manual
2. mechanized
248(30.8%)
556(69.2%)
 0 (0.0%)
row_spacing [integer] 1 distinct value
85:804(100.0%)
 0 (0.0%)
plant_spacing [numeric] 1 distinct value
18.50:804(100.0%)
 0 (0.0%)
plant_density [numeric]
Mean (sd) : 58889.5 (8463.5)
min ≤ med ≤ max:
36363.6 ≤ 60456.2 ≤ 84848.5
IQR (CV) : 10378.8 (0.1)
 53 distinct values 0 (0.0%)
herbicide_times [integer]
Mean (sd) : 1.6 (1)
min ≤ med ≤ max:
0 ≤ 1 ≤ 5
IQR (CV) : 1 (0.6)
0:79(9.8%)
1:338(42.0%)
2:274(34.1%)
3:75(9.3%)
4:36(4.5%)
5:2(0.2%)
 0 (0.0%)
insecticide_times [integer]
Mean (sd) : 1.8 (1.4)
min ≤ med ≤ max:
0 ≤ 2 ≤ 12
IQR (CV) : 1 (0.8)
 11 distinct values 0 (0.0%)
fungicide_times [integer]
Mean (sd) : 0.2 (0.4)
min ≤ med ≤ max:
0 ≤ 0 ≤ 3
IQR (CV) : 0 (2.6)
0:685(85.2%)
1:100(12.4%)
2:18(2.2%)
3:1(0.1%)
 0 (0.0%)
country [character] 1. Colombia
804(100.0%)
 0 (0.0%)
adm1 [character] 1. Córdoba
804(100.0%)
 0 (0.0%)
geo_from_source [logical] 1. FALSE
804(100.0%)
 0 (0.0%)
soil_depth [integer]
Mean (sd) : 41.1 (17.7)
min ≤ med ≤ max:
0 ≤ 39.5 ≤ 80
IQR (CV) : 35 (0.4)
 62 distinct values 0 (0.0%)
soil_pH [numeric]
Mean (sd) : 5.7 (0.5)
min ≤ med ≤ max:
4.5 ≤ 6 ≤ 7
IQR (CV) : 0.5 (0.1)
4.50:19(2.4%)
5.00:109(13.6%)
5.50:246(30.6%)
6.00:359(44.7%)
6.50:56(7.0%)
7.00:15(1.9%)
 0 (0.0%)
soil_texture [character]
1. A
2. AF
3. Ar
4. ArA
5. ArL
6. F
7. FA
8. FAr
9. FrL
10. L
3(0.4%)
2(0.2%)
162(20.1%)
17(2.1%)
17(2.1%)
120(14.9%)
68(8.5%)
315(39.2%)
76(9.5%)
24(3.0%)
 0 (0.0%)