Observed Grain Yield Data
yield.Rd
A dataset capturing detailed grain yield and yield components from experimental trials. These observations are critical for evaluating the effectiveness of cultivation practices and genetic performance across different rice cultivars.
Format
A data.frame
with 7 rows and 20 columns:
- ID
Trial ID - (
character
). Uniquely identifies each trial. Example:"LOC1T1PROJ1"
.- LOC_ID
Locality ID - (
character
). Denotes the trial's location. Example:"LOC1"
.- CULTIVAR
Cultivar name - (
character
). Identifies the cultivar used in the trial. Example:"CULTIVAR1"
.- YIELD_AVG
Yield average - (
numeric
). The average yield, measured in kilograms per hectare (kg/ha
).- YIELD_MIN
Yield minimum - (
numeric
). The minimum observed yield, inkg/ha
.- YIELD_MAX
Yield maximum - (
numeric
). The maximum observed yield, inkg/ha
.- HIAM
Harvest index at maturity - (
numeric
). The ratio of grain yield to total biomass at maturity.- HIAM_SE
Harvest index at maturity standard error - (
numeric
). Standard error of the harvest index at maturity.- PAN_fert
Panicle fertility - (
numeric
). Percentage of fertile panicles (%).- PAN_fert_SE
Panicle fertility standard error - (
numeric
). Standard error of the panicle fertility percentage (%).- GW1000
1000-Grain weight - (
numeric
). Weight of 1000 grains, measured in grams (g
).- GW1000_SE
1000-Grain weight standard error - (
numeric
). Standard error of the 1000-grain weight (g
).- ST_M2
Number of stems per square meter - (
numeric
). The density of stems, innumber/m²
.- ST_M2_SE
Number of stems per square meter standard error - (
numeric
). Standard error of stem density (number/m²
).- PAN_M2
Number of panicles per square meter - (
numeric
). The density of panicles, innumber/m²
.- PAN_M2_SE
Number of panicles per square meter standard error - (
numeric
). Standard error of panicle density (number/m²
).- GT_PAN
Number of total grains per panicle - (
numeric
). Total number of grains per panicle.- GT_PAN_SE
Number of total grains per panicle standard error - (
numeric
). Standard error of the total grains per panicle.- GF_PAN
Number of filled grains per panicle - (
numeric
). Number of filled grains per panicle.- GF_PAN_SE
Number of filled grains per panicle standard error - (
numeric
). Standard error of the filled grains per panicle.
Details
Observed Grain Yield Data
This dataset presents observed grain yield and yield components data from crop modeling experimental trials. It includes detailed measurements of yield averages, minimum and maximum yields, harvest index, panicle fertility, grain weight, and other vital yield components. Such comprehensive data are essential for analyzing the performance of different cultivars under various agronomic practices and environmental conditions, facilitating advancements in crop yield optimization.
Examples
# Assuming `yield` is your dataset name
summary(yield)
#> ID LOC_ID CULTIVAR YIELD_AVG
#> Length:7 Length:7 Length:7 Min. :4474
#> Class :character Class :character Class :character 1st Qu.:4984
#> Mode :character Mode :character Mode :character Median :5114
#> Mean :5519
#> 3rd Qu.:5486
#> Max. :8103
#> YIELD_MIN YIELD_MAX HIAD HIAD_SE
#> Min. :3795 Min. :5244 Min. :0.3001 Min. :0.0005648
#> 1st Qu.:4325 1st Qu.:5457 1st Qu.:0.3197 1st Qu.:0.0050892
#> Median :4676 Median :5719 Median :0.3561 Median :0.0089026
#> Mean :4928 Mean :6117 Mean :0.3580 Mean :0.0116369
#> 3rd Qu.:5024 3rd Qu.:6004 3rd Qu.:0.3975 3rd Qu.:0.0159823
#> Max. :7331 Max. :8931 Max. :0.4155 Max. :0.0298476
#> PAN_fert PAN_fert_SE GW1000 GW1000_SE
#> Min. :81.28 Min. :0.3925 Min. :20.78 Min. :0.07145
#> 1st Qu.:87.25 1st Qu.:0.7777 1st Qu.:23.49 1st Qu.:0.20004
#> Median :88.47 Median :1.7136 Median :23.86 Median :0.20738
#> Mean :88.78 Mean :2.0115 Mean :23.73 Mean :0.24269
#> 3rd Qu.:90.88 3rd Qu.:2.5408 3rd Qu.:24.55 3rd Qu.:0.26799
#> Max. :95.46 Max. :5.3375 Max. :25.38 Max. :0.48396
#> ST_M2 ST_M2_SE PAN_M2 PAN_M2_SE
#> Min. :308.0 Min. : 4.00 Min. :192.1 Min. : 6.009
#> 1st Qu.:356.9 1st Qu.:13.00 1st Qu.:301.8 1st Qu.:15.000
#> Median :373.5 Median :20.82 Median :333.9 Median :20.000
#> Mean :394.8 Mean :20.09 Mean :346.5 Mean :20.931
#> 3rd Qu.:407.0 3rd Qu.:24.85 3rd Qu.:382.1 3rd Qu.:26.252
#> Max. :554.0 Max. :40.10 Max. :531.8 Max. :38.000
#> GT_PAN GT_PAN_SE GF_PAN GF_PAN_SE
#> Min. : 67.97 Min. : 0.05277 Min. :60.02 Min. : 0.6436
#> 1st Qu.: 68.86 1st Qu.: 1.77913 1st Qu.:60.57 1st Qu.: 1.5229
#> Median : 69.39 Median : 2.91998 Median :62.67 Median : 3.5495
#> Mean : 75.86 Mean : 7.37684 Mean :66.90 Mean : 6.5664
#> 3rd Qu.: 72.23 3rd Qu.:12.34776 3rd Qu.:67.23 3rd Qu.: 9.4401
#> Max. :111.52 Max. :20.41136 Max. :90.01 Max. :19.8455