Carob report

This report describes the the Carob “varieties_maize” group.

This dataset combines 81 standardized individual data sources. It has has 105988 records and 78 variables for maize in 44 countries (Angola, Bangladesh, Benin, Bolivia, Botswana, Burkina Faso, Cameroon, Chad, Costa Rica, Côte d’Ivoire, Democratic Republic of the Congo, Egypt, Eswatini, Ethiopia, Gabon, Gambia, Ghana, Guatemala, Guinea, India, Indonesia, Kenya, Lesotho, Madagascar, Malawi, Mali, Mexico, Mozambique, Myanmar, Niger, Nigeria, Senegal, Sierra Leone, South Africa, South Sudan, Sri Lanka, Sudan, Tanzania, Thailand, Togo, Uganda, Vietnam, Zambia, Zimbabwe).

These are the first 25 records:

records
trial_id	trial_name	plot_id	block_id	season	rep	crop	yield_part	yield	yield_moisture	yield_isfresh	seed_weight	row_spacing	plot_area	plot_length	plant_spacing	plant_density	anthesis_days	silking_days	asi	tassling_days	plant_height	ear_height	striga_trial	borer_trial	striga_infected	aspect	ear_aspect	root_lodging	stalk_lodging	grain_texture	husk	grain_N	dataset_id	record_id	on_farm	is_survey	variety	variety_code	country	location	longitude	latitude	geo_uncertainty	geo_from_source	elevation	planting_date	fertilizer_used	N_fertilizer	N_splits	P_fertilizer	K_fertilizer	S_fertilizer	lime	inoculated	irrigated	irrigation_amount	herbicide_used	herbicide_amount	soil_N
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3526.06	NA	NA	NA	NA	NA	NA	NA	NA	58	50.25	NA	NA	165.00	97.50	FALSE	FALSE	FALSE	3.00	2.25	4.25; 10.97%	0.75; 1.93%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	1	FALSE	FALSE	ACR 86 TZESR W	1	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3097.50	NA	NA	NA	NA	NA	NA	NA	NA	60	49.75	NA	NA	152.50	82.50	FALSE	FALSE	FALSE	2.50	2.25	5.75; 14.43%	4.25; 10.79%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	2	FALSE	FALSE	ACR 87 POOL16 SR	2	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3500.27	NA	NA	NA	NA	NA	NA	NA	NA	56	53.00	NA	NA	161.25	98.75	FALSE	FALSE	FALSE	2.75	2.25	3.75; 9.52%	2; 5.01%	NA	2.50	NA	doi_10.25502_20180713_1512_MA	3	FALSE	FALSE	ACR (2) 87 DMR-ESRW	3	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3445.36	NA	NA	NA	NA	NA	NA	NA	NA	55	49.25	NA	NA	155.00	85.00	FALSE	FALSE	FALSE	2.25	2.50	6; 14.65%	3; 7.41%	NA	2.25	NA	doi_10.25502_20180713_1512_MA	4	FALSE	FALSE	ACR 8730 SR BC6	4	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	2907.72	NA	NA	NA	NA	NA	NA	NA	NA	61	53.25	NA	NA	153.75	87.50	FALSE	FALSE	FALSE	2.50	1.75	5.25; 12.75%	3.5; 8.48%	NA	1.75	NA	doi_10.25502_20180713_1512_MA	5	FALSE	FALSE	BU-ESR W C12	5	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3041.39	NA	NA	NA	NA	NA	NA	NA	NA	NA	50.75	NA	NA	156.25	85.00	FALSE	FALSE	FALSE	2.25	1.50	3.75; 12.68%	2.25; 8.34%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	6	FALSE	FALSE	GUSAU 81 POOL-16	6	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	2630.35	NA	NA	NA	NA	NA	NA	NA	NA	56	49.00	NA	NA	158.75	77.50	FALSE	FALSE	FALSE	3.25	2.00	4.5; 12.15%	3.75; 9.73%	NA	2.25	NA	doi_10.25502_20180713_1512_MA	7	FALSE	FALSE	LOCAL CHECK 1	7	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8901KB	Evt-Esr (White)	NA	NA	first	NA	maize	grain	3148.65	NA	NA	NA	NA	NA	NA	NA	NA	63	51.00	NA	NA	166.25	90.00	FALSE	FALSE	FALSE	3.00	2.00	4; 10.72%	0.5; 1.49%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	8	FALSE	FALSE	LOCAL CHECK 2	8	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	3938.01	NA	NA	NA	NA	NA	NA	NA	NA	50	54.67	NA	NA	168.33	88.33	FALSE	FALSE	FALSE	2.67	2.33	4; 13.43%	3; 9.66%	NA	2.67	NA	doi_10.25502_20180713_1512_MA	9	FALSE	FALSE	TZESR Y C3	1	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	4362.69	NA	NA	NA	NA	NA	NA	NA	NA	59	52.33	NA	NA	155.00	71.67	FALSE	FALSE	FALSE	2.67	2.67	4; 14.53%	4.33; 13.99%	NA	2.67	NA	doi_10.25502_20180713_1512_MA	10	FALSE	FALSE	POOL16 SR SG Y	2	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	4620.75	NA	NA	NA	NA	NA	NA	NA	NA	58	52.00	NA	NA	181.67	103.33	FALSE	FALSE	FALSE	2.67	2.33	3; 10.25%	1.67; 5.6%	NA	2.67	NA	doi_10.25502_20180713_1512_MA	11	FALSE	FALSE	DMR-ESRY	3	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	3308.79	NA	NA	NA	NA	NA	NA	NA	NA	56	54.67	NA	NA	146.67	65.00	FALSE	FALSE	FALSE	2.67	1.67	2; 5.71%	1.67; 8.21%	NA	1.67	NA	doi_10.25502_20180713_1512_MA	12	FALSE	FALSE	BU-ESR W SG Y	4	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	4701.03	NA	NA	NA	NA	NA	NA	NA	NA	60	55.67	NA	NA	175.00	83.33	FALSE	FALSE	FALSE	2.33	2.00	3.67; 9.08%	3.67; 9.5%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	13	FALSE	FALSE	TZUT SR Y C3	5	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	3599.85	NA	NA	NA	NA	NA	NA	NA	NA	NA	55.33	NA	NA	158.33	76.67	FALSE	FALSE	FALSE	3.00	2.67		3; 16.49%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	14	FALSE	FALSE	EV 8766 SR	6	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	3782.03	NA	NA	NA	NA	NA	NA	NA	NA	NA	53.33	NA	NA	180.00	90.00	FALSE	FALSE	FALSE	3.00	2.33	2.67; 8.12%	4.67; 14.39%	NA	2.00	NA	doi_10.25502_20180713_1512_MA	15	FALSE	FALSE	ACR 8731 SR BC6	7	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	2965.15	NA	NA	NA	NA	NA	NA	NA	NA	NA	49.67	NA	NA	150.00	76.67	FALSE	FALSE	FALSE	2.67	2.00	2.33; 10.07%	7; 24.86%	NA	2.33	NA	doi_10.25502_20180713_1512_MA	16	FALSE	FALSE	LOCAL CHECK 1	8	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
M8902KB	Evt-E/Isr (Yellow)	NA	NA	first	NA	maize	grain	2717.06	NA	NA	NA	NA	NA	NA	NA	NA	NA	52.33	NA	NA	141.67	61.67	FALSE	FALSE	FALSE	2.67	2.67	4.67; 15.4%	2; 9.52%	NA	2.67	NA	doi_10.25502_20180713_1512_MA	17	FALSE	FALSE	LOCAL CHECK 2	9	Burkina Faso	Kamboinse	-1.55	12.5	NA	TRUE	NA	1989	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	4291.59	NA	NA	NA	NA	NA	NA	NA	NA	82	65.50	NA	NA	207.00	96.75	FALSE	FALSE	FALSE	NA	NA	1.25; 2.84%	1; 2.45%	NA	4.25	NA	doi_10.25502_20180713_1512_MA	18	FALSE	FALSE	8321-18	1	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3394.48	NA	NA	NA	NA	NA	NA	NA	NA	83	66.25	NA	NA	191.75	89.75	FALSE	FALSE	FALSE	NA	NA	0.25; 0.58%	2.25; 5.47%	NA	11.00	NA	doi_10.25502_20180713_1512_MA	19	FALSE	FALSE	8321-21	2	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3539.95	NA	NA	NA	NA	NA	NA	NA	NA	NA	66.00	NA	NA	192.00	91.25	FALSE	FALSE	FALSE	NA	NA	1.75; 3.98%	0.75; 1.69%	NA	5.50	NA	doi_10.25502_20180713_1512_MA	20	FALSE	FALSE	8428-19	3	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3564.20	NA	NA	NA	NA	NA	NA	NA	NA	NA	67.50	NA	NA	213.50	103.75	FALSE	FALSE	FALSE	NA	NA	2; 4.66%	1.5; 3.45%	NA	12.50	NA	doi_10.25502_20180713_1512_MA	21	FALSE	FALSE	8516-12	4	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	4097.62	NA	NA	NA	NA	NA	NA	NA	NA	NA	66.00	NA	NA	184.00	95.50	FALSE	FALSE	FALSE	NA	NA	0.5; 1.43%	2; 5.49%	NA	8.00	NA	doi_10.25502_20180713_1512_MA	22	FALSE	FALSE	8505-5	5	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3903.65	NA	NA	NA	NA	NA	NA	NA	NA	NA	67.25	NA	NA	182.75	81.50	FALSE	FALSE	FALSE	NA	NA		0.75; 1.68%	NA	2.75	NA	doi_10.25502_20180713_1512_MA	23	FALSE	FALSE	8705-4	6	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3418.72	NA	NA	NA	NA	NA	NA	NA	NA	NA	66.50	NA	NA	192.50	92.00	FALSE	FALSE	FALSE	NA	NA	0.5; 1.11%	5.25; 13.72%	NA	7.50	NA	doi_10.25502_20180713_1512_MA	24	FALSE	FALSE	8705-6	7	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
K9001FA	International Hybrid Maize Trial (White)	NA	NA	first	NA	maize	grain	3709.68	NA	NA	NA	NA	NA	NA	NA	NA	70	67.00	NA	NA	202.25	103.50	FALSE	FALSE	FALSE	NA	NA	1.25; 2.94%	4.5; 10.43%	NA	5.50	NA	doi_10.25502_20180713_1512_MA	25	FALSE	FALSE	IKENNE 83 TZSR W-1	8	Burkina Faso	Farako Ba	-4.33	11.1	NA	TRUE	NA	1990	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA

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

We have 105988 observations, for which we have 594 unique mapped locations. 1989 records do not have coordinates.

The data are further summarized in the table below

Variable

Stats / Values

Freqs (% of Valid)

Graph

Missing

trial_name [character]

1. (Empty string)

2. Hybrid Maize Trial (

3. Evt-Isr (White)

4. Hybrid Maize Trial (

5. International Hybrid

6. Evt-Lsr (Yellow)

7. Evt-Lsr-Y (Late-Matu

8. International Hybrid

9. INTERNATIONAL MAIZE

10. Three-way cross DT W

[ 181 others ]

55592	(	52.5%	)
5570	(	5.3%	)
3099	(	2.9%	)
2760	(	2.6%	)
2180	(	2.1%	)
2038	(	1.9%	)
1960	(	1.8%	)
1634	(	1.5%	)
1571	(	1.5%	)
1512	(	1.4%	)
28072	(	26.5%	)

0 (0.0%)

plot_id [integer]

Mean (sd) : 16.2 (9.1)

min ≤ med ≤ max:

1 ≤ 16 ≤ 32

IQR (CV) : 16 (0.6)

32 distinct values

104708 (98.8%)

block_id [integer]

Mean (sd) : 4.5 (2.3)

min ≤ med ≤ max:

1 ≤ 4.5 ≤ 8

IQR (CV) : 3.5 (0.5)

1	:	148	(	12.5%	)
2	:	148	(	12.5%	)
3	:	148	(	12.5%	)
4	:	148	(	12.5%	)
5	:	148	(	12.5%	)
6	:	148	(	12.5%	)
7	:	148	(	12.5%	)
8	:	148	(	12.5%	)

104804 (98.9%)

season [character]

1. (Empty string)

2. dry season

3. first

4. minor

5. rainy season

6. second

51624	(	48.7%	)
1176	(	1.1%	)
50082	(	47.3%	)
440	(	0.4%	)
2352	(	2.2%	)
314	(	0.3%	)

0 (0.0%)

treatment [character]

1. (Empty string)

2. Optimal

3. Drought

4. Low N

5. high_N

6. Low pH

7. drought_stress

8. Well Water

9. low_N

10. Drought Stress

[ 3 others ]

70513	(	66.5%	)
17683	(	16.7%	)
3242	(	3.1%	)
2787	(	2.6%	)
2560	(	2.4%	)
2018	(	1.9%	)
1536	(	1.4%	)
1440	(	1.4%	)
1024	(	1.0%	)
960	(	0.9%	)
2225	(	2.1%	)

0 (0.0%)

rep [integer]

Mean (sd) : 1.6 (0.6)

min ≤ med ≤ max:

1 ≤ 2 ≤ 3

IQR (CV) : 1 (0.4)

1	:	12819	(	47.6%	)
2	:	12814	(	47.5%	)
3	:	1320	(	4.9%	)

79035 (74.6%)

crop [character]

1. maize

105988

(

100.0%

)

0 (0.0%)

yield_part [character]

1. grain

105988

(

100.0%

)

0 (0.0%)

yield [numeric]

Mean (sd) : 3322.3 (2408.7)

min ≤ med ≤ max:

0 ≤ 2963.3 ≤ 29602

IQR (CV) : 3403.4 (0.7)

58882 distinct values

23 (0.0%)

yield_moisture [numeric]

Mean (sd) : 14.8 (5.4)

min ≤ med ≤ max:

-2.1 ≤ 13.8 ≤ 142

IQR (CV) : 6.6 (0.4)

3072 distinct values

69481 (65.6%)

yield_isfresh [logical]

All NA's

105988 (100.0%)

seed_weight [numeric]

Mean (sd) : 295.9 (37.3)

min ≤ med ≤ max:

202.6 ≤ 299.1 ≤ 376

IQR (CV) : 53.4 (0.1)

128 distinct values

105856 (99.9%)

row_spacing [integer]

Min : 40

Mean : 63

Max : 75

40	:	440	(	34.4%	)
75	:	840	(	65.6%	)

104708 (98.8%)

plot_area [numeric]

Mean (sd) : 7.2 (0.8)

min ≤ med ≤ max:

6.4 ≤ 7.5 ≤ 8.3

IQR (CV) : 1.5 (0.1)

7 distinct values

105832 (99.9%)

plot_length [integer]

1 distinct value

440

(

100.0%

)

105548 (99.6%)

plant_spacing [integer]

Min : 40

Mean : 52

Max : 75

40	:	840	(	65.6%	)
75	:	440	(	34.4%	)

104708 (98.8%)

plant_density [numeric]

Mean (sd) : 247187.3 (132812.3)

min ≤ med ≤ max:

0 ≤ 215000 ≤ 2017000

IQR (CV) : 197000 (0.5)

2440 distinct values

71233 (67.2%)

anthesis_days [numeric]

Mean (sd) : 63.1 (13.1)

min ≤ med ≤ max:

11 ≤ 60 ≤ 139

IQR (CV) : 15.1 (0.2)

811 distinct values

26396 (24.9%)

silking_days [numeric]

Mean (sd) : 65.8 (58.7)

min ≤ med ≤ max:

18.8 ≤ 61 ≤ 4648

IQR (CV) : 13.6 (0.9)

3071 distinct values

10336 (9.8%)

asi [numeric]

Mean (sd) : 2.8 (5.6)

min ≤ med ≤ max:

-25 ≤ 2 ≤ 248.3

IQR (CV) : 2.5 (2)

964 distinct values

23940 (22.6%)

tassling_days [numeric]

Mean (sd) : 53.1 (4.6)

min ≤ med ≤ max:

40 ≤ 53 ≤ 77

IQR (CV) : 5.7 (0.1)

111 distinct values

101617 (95.9%)

plant_height [numeric]

Mean (sd) : 169.9 (43.3)

min ≤ med ≤ max:

0 ≤ 171.7 ≤ 366.2

IQR (CV) : 52 (0.3)

3842 distinct values

30199 (28.5%)

ear_height [numeric]

Mean (sd) : 82.5 (26.2)

min ≤ med ≤ max:

-2 ≤ 82.2 ≤ 358

IQR (CV) : 34.2 (0.3)

3011 distinct values

33610 (31.7%)

season_constraint [character]

1. (Empty string)

2. drought

104812	(	98.9%	)
1176	(	1.1%	)

0 (0.0%)

grain_color [character]

1. (Empty string)

2. White

3. Yellow

105091	(	99.2%	)
582	(	0.5%	)
315	(	0.3%	)

0 (0.0%)

striga_trial [logical]

1. FALSE

2. TRUE

66142	(	85.0%	)
11682	(	15.0%	)

28164 (26.6%)

borer_trial [logical]

1. FALSE

2. TRUE

77203	(	99.2%	)
621	(	0.8%	)

28164 (26.6%)

striga_infected [logical]

1. FALSE

2. TRUE

72243	(	92.8%	)
5581	(	7.2%	)

28164 (26.6%)

aspect [numeric]

Mean (sd) : 3.1 (1.4)

min ≤ med ≤ max:

0 ≤ 3 ≤ 52

IQR (CV) : 1.3 (0.5)

713 distinct values

45366 (42.8%)

ear_aspect [numeric]

Mean (sd) : 3.3 (1.5)

min ≤ med ≤ max:

0 ≤ 3 ≤ 78

IQR (CV) : 1.7 (0.5)

715 distinct values

38256 (36.1%)

root_lodging [character]

1. (Empty string)
2. 0%
3. 0
4. 1
5. 2
6. 1.3
7. 3
8. 0.3
9. 1.5
10. 4
[ 2347 others ]

51288	(	48.4%	)
10327	(	9.7%	)
5885	(	5.6%	)
4282	(	4.0%	)
2041	(	1.9%	)
1565	(	1.5%	)
1357	(	1.3%	)
1198	(	1.1%	)
879	(	0.8%	)
864	(	0.8%	)
26302	(	24.8%	)

0 (0.0%)

stalk_lodging [character]

1. (Empty string)
2. 0%
3. 1
4. 0
5. 2
6. 1.3
7. 0.3
8. 3
9. 1.5
10. 0.5
[ 2399 others ]

46847	(	44.2%	)
8286	(	7.8%	)
5125	(	4.8%	)
4285	(	4.0%	)
2477	(	2.3%	)
2017	(	1.9%	)
1539	(	1.5%	)
1483	(	1.4%	)
1188	(	1.1%	)
1078	(	1.0%	)
31663	(	29.9%	)

0 (0.0%)

grain_texture [numeric]

Mean (sd) : 2.5 (1)

min ≤ med ≤ max:

1 ≤ 2.1 ≤ 5.3

IQR (CV) : 1 (0.4)

20 distinct values

105846 (99.9%)

husk [numeric]

Mean (sd) : 3.2 (6.5)

min ≤ med ≤ max:

-0.8 ≤ 2.3 ≤ 700

IQR (CV) : 1.3 (2)

763 distinct values

42626 (40.2%)

grain_N [numeric]

Mean (sd) : 4.3 (1.2)

min ≤ med ≤ max:

2 ≤ 4.5 ≤ 6.2

IQR (CV) : 1.5 (0.3)

14 distinct values

105958 (100.0%)

on_farm [logical]

1. FALSE

2. TRUE

51880	(	51.5%	)
48948	(	48.5%	)

5160 (4.9%)

is_survey [logical]

1. FALSE

105988

(

100.0%

)

0 (0.0%)

variety [character]

1. (Empty string)

2. Check

3. CHECK 1

4. CHECK 2

5. Local Check

6. LOCAL CHECK 1

7. LOCAL CHECK 2

8. Oba Super I

9. Oba Super-II

10. Oba Super 2

[ 4465 others ]

31224	(	29.5%	)
909	(	0.9%	)
575	(	0.5%	)
575	(	0.5%	)
509	(	0.5%	)
338	(	0.3%	)
338	(	0.3%	)
331	(	0.3%	)
257	(	0.2%	)
196	(	0.2%	)
70736	(	66.7%	)

0 (0.0%)

variety_code [character]

1. (Empty string)
2. 1
3. 2
4. 3
5. 5
6. 6
7. 4
8. 7
9. 8
10. 9
[ 1504 others ]

41095	(	38.8%	)
3518	(	3.3%	)
3166	(	3.0%	)
3116	(	2.9%	)
3114	(	2.9%	)
3112	(	2.9%	)
3110	(	2.9%	)
3105	(	2.9%	)
3006	(	2.8%	)
2820	(	2.7%	)
36826	(	34.7%	)

0 (0.0%)

variety_pedigree [character]

1. (Empty string)

2. AS823

3. CHLHW02515

4. CHLHW09035

5. CHLHW09045

6. CVA-702

7. GLADIADOR

8. HIBRIDO 2010

9. P1684W

10. PRECOZ-01

[ 115 others ]

104189	(	98.3%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
74	(	0.1%	)
1133	(	1.1%	)

0 (0.0%)

variety_type [character]

1. (Empty string)

2. CIMMYT MasAgro

3. hybrid

4. Multinational

5. OPV

6. Private national

7. Public

79021	(	74.6%	)
341	(	0.3%	)
15998	(	15.1%	)
83	(	0.1%	)
10085	(	9.5%	)
332	(	0.3%	)
128	(	0.1%	)

0 (0.0%)

variety_traits [character]

1. (Empty string)

2. early-intermediate

3. intermediate-late

79905	(	75.4%	)
13535	(	12.8%	)
12548	(	11.8%	)

0 (0.0%)

country [character]

1. Nigeria

2. Mexico

3. Zimbabwe

4. Ghana

5. Tanzania

6. Benin

7. Zambia

8. Malawi

9. Mozambique

10. Angola

[ 34 others ]

48064	(	45.3%	)
8924	(	8.4%	)
7043	(	6.6%	)
6577	(	6.2%	)
3913	(	3.7%	)
3497	(	3.3%	)
3345	(	3.2%	)
3185	(	3.0%	)
2241	(	2.1%	)
1930	(	1.8%	)
17269	(	16.3%	)

0 (0.0%)

adm1 [character]

1. (Empty string)

2. Mexico

3. Kano

4. Ogun

5. Tequisate

6. Santa Cruz

7. Hidalgo

8. Jalisco

9. Veracrúz

10. Veracruz

[ 11 others ]

97547	(	92.0%	)
6313	(	6.0%	)
1132	(	1.1%	)
432	(	0.4%	)
116	(	0.1%	)
88	(	0.1%	)
57	(	0.1%	)
57	(	0.1%	)
44	(	0.0%	)
42	(	0.0%	)
160	(	0.2%	)

0 (0.0%)

adm2 [character]

1. (Empty string)

2. Garum Mallam

3. Ikenne

4. Texcoco

98379	(	92.8%	)
864	(	0.8%	)
432	(	0.4%	)
6313	(	6.0%	)

0 (0.0%)

location [character]

1. Ikenne

2. Mokwa

3. El Batán

4. Bagauda

5. Zaria

6. Saminaka

7. Abuja

8. Kadawa

9. Ile-Ife

10. (Empty string)

[ 516 others ]

12761	(	12.0%	)
7581	(	7.2%	)
6337	(	6.0%	)
4194	(	4.0%	)
3509	(	3.3%	)
2115	(	2.0%	)
2101	(	2.0%	)
1793	(	1.7%	)
1682	(	1.6%	)
1414	(	1.3%	)
62501	(	59.0%	)

0 (0.0%)

site [character]

1. (Empty string)

2. Cimmyt

3. Crop Research Instit

4. University of Ghana,

99235	(	93.6%	)
6313	(	6.0%	)
220	(	0.2%	)
220	(	0.2%	)

0 (0.0%)

locality [character]

1. (Empty string)

2. Highlands

3. Subtropic

4. Tropic

105091	(	99.2%	)
253	(	0.2%	)
357	(	0.3%	)
287	(	0.3%	)

0 (0.0%)

geo_uncertainty [integer]

Mean (sd) : 18064.8 (12574.4)

min ≤ med ≤ max:

5586 ≤ 15076 ≤ 63582

IQR (CV) : 8511 (0.7)

16 distinct values

105444 (99.5%)

geo_from_source [logical]

1. FALSE

2. TRUE

28416	(	26.8%	)
77500	(	73.2%	)

72 (0.1%)

elevation [numeric]

Mean (sd) : 1126.8 (712.3)

min ≤ med ≤ max:

0 ≤ 1178 ≤ 2629

IQR (CV) : 1047 (0.6)

175 distinct values

59790 (56.4%)

geo_source [character]

1. (Empty string)

2. GADM 4.1, adm2

3. Google Maps

104804	(	98.9%	)
544	(	0.5%	)
640	(	0.6%	)

0 (0.0%)

planting_date [character]

1. 2016
2. (Empty string)
3. 2014
4. 2013
5. 2011
6. 2015
7. 2010
8. 2012
9. 2008
10. 2009
[ 428 others ]

8843	(	8.3%	)
7612	(	7.2%	)
6853	(	6.5%	)
6625	(	6.3%	)
4396	(	4.1%	)
3783	(	3.6%	)
3734	(	3.5%	)
3241	(	3.1%	)
2866	(	2.7%	)
2614	(	2.5%	)
55421	(	52.3%	)

0 (0.0%)

harvest_date [character]

1. (Empty string)
2. 2001
3. 2004
4. 2003
5. 2005
6. 2015
7. 2007
8. 2006
9. 2014
10. 2016
[ 60 others ]

67773	(	63.9%	)
6067	(	5.7%	)
5577	(	5.3%	)
4670	(	4.4%	)
3400	(	3.2%	)
3072	(	2.9%	)
2862	(	2.7%	)
2276	(	2.1%	)
2048	(	1.9%	)
1176	(	1.1%	)
7067	(	6.7%	)

0 (0.0%)

fertilizer_used [logical]

1. TRUE

1872

(

100.0%

)

104116 (98.2%)

fertilizer_type [character]

1. (Empty string)

2. NPK

3. NPK; urea

4. NPK;urea

5. urea;KCl;TSP

95364	(	90.0%	)
784	(	0.7%	)
840	(	0.8%	)
8560	(	8.1%	)
440	(	0.4%	)

0 (0.0%)

fertilizer_dap [character]

1. (Empty string)

2. 0;21

3. 14;28

4. 25

102460	(	96.7%	)
1176	(	1.1%	)
1568	(	1.5%	)
784	(	0.7%	)

0 (0.0%)

N_fertilizer [integer]

Mean (sd) : 81.5 (35.1)

min ≤ med ≤ max:

30 ≤ 90 ≤ 120

IQR (CV) : 90 (0.4)

30	:	3784	(	28.9%	)
90	:	5456	(	41.7%	)
120	:	3856	(	29.4%	)

92892 (87.6%)

N_splits [integer]

1 distinct value

2312

(

100.0%

)

103676 (97.8%)

P_fertilizer [numeric]

Mean (sd) : 51.3 (13.7)

min ≤ med ≤ max:

27.6 ≤ 60 ≤ 60

IQR (CV) : 30 (0.3)

3 distinct values

92892 (87.6%)

K_fertilizer [integer]

Mean (sd) : 51.5 (13.3)

min ≤ med ≤ max:

30 ≤ 60 ≤ 60

IQR (CV) : 30 (0.3)

30	:	3344	(	25.5%	)
36	:	440	(	3.4%	)
60	:	9312	(	71.1%	)

92892 (87.6%)

S_fertilizer [logical]

All NA's

105988 (100.0%)

lime [logical]

All NA's

105988 (100.0%)

inoculated [logical]

1. FALSE

2. TRUE

936	(	50.0%	)
936	(	50.0%	)

104116 (98.2%)

inoculant [character]

1. (Empty string)

2. Exserohilum turcicum

105052	(	99.1%	)
936	(	0.9%	)

0 (0.0%)

irrigated [logical]

1. FALSE

2. TRUE

45981	(	97.5%	)
1176	(	2.5%	)

58831 (55.5%)

irrigation_amount [integer]

1 distinct value

1176

(

100.0%

)

104812 (98.9%)

herbicide_used [logical]

1. FALSE

2. TRUE

2560	(	29.6%	)
6088	(	70.4%	)

97340 (91.8%)

herbicide_product [character]

1. (Empty string)

2. atrazine

3. atrazine;paraquat di

4. primextra;paraquat d

99900	(	94.3%	)
784	(	0.7%	)
2744	(	2.6%	)
2560	(	2.4%	)

0 (0.0%)

herbicide_amount [integer]

Min : 0

Mean : 2.5

Max : 5

0	:	2560	(	50.0%	)
5	:	2560	(	50.0%	)

100868 (95.2%)

description [character]

1. (Empty string)

2. B SEASON

3. A SEASON

4. LOW NITROGEN

5. LN (75x20)

6. HIGH NITROGEN

7. LN (75x25)

8. HIGH NITROGEN (75x20

9. HN (75x25)

10. Angaradebou, Bagou,

[ 29 others ]

104770	(	98.9%	)
186	(	0.2%	)
175	(	0.2%	)
108	(	0.1%	)
84	(	0.1%	)
68	(	0.1%	)
46	(	0.0%	)
30	(	0.0%	)
28	(	0.0%	)
25	(	0.0%	)
468	(	0.4%	)

0 (0.0%)

soil_type [character]

1. (Empty string)

2. alfisols

105204	(	99.3%	)
784	(	0.7%	)

0 (0.0%)

soil_N [integer]

Min : 600

Mean : 850

Max : 1100

600	:	220	(	50.0%	)
1100	:	220	(	50.0%	)

105548 (99.6%)