Observed Grain Yield Data
yield.RdA 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 YIELD_MIN
#> Length : 7 Length :7 Length :7 Min. :4474 Min. :3795
#> N.unique : 7 N.unique :1 N.unique :1 1st Qu.:4984 1st Qu.:4325
#> N.blank : 0 N.blank :0 N.blank :0 Median :5114 Median :4676
#> Min.nchar: 9 Min.nchar:4 Min.nchar:7 Mean :5519 Mean :4928
#> Max.nchar:12 Max.nchar:4 Max.nchar:7 3rd Qu.:5486 3rd Qu.:5024
#> Max. :8103 Max. :7331
#> YIELD_MAX HIAD HIAD_SE PAN_fert
#> Min. :5244 Min. :0.3001 Min. :0.0005648 Min. :81.28
#> 1st Qu.:5457 1st Qu.:0.3197 1st Qu.:0.0050892 1st Qu.:87.25
#> Median :5719 Median :0.3561 Median :0.0089026 Median :88.47
#> Mean :6117 Mean :0.3580 Mean :0.0116369 Mean :88.78
#> 3rd Qu.:6004 3rd Qu.:0.3975 3rd Qu.:0.0159823 3rd Qu.:90.88
#> Max. :8931 Max. :0.4155 Max. :0.0298476 Max. :95.46
#> PAN_fert_SE GW1000 GW1000_SE ST_M2
#> Min. :0.3925 Min. :20.78 Min. :0.07145 Min. :308.0
#> 1st Qu.:0.7777 1st Qu.:23.49 1st Qu.:0.20004 1st Qu.:356.9
#> Median :1.7136 Median :23.86 Median :0.20738 Median :373.5
#> Mean :2.0115 Mean :23.73 Mean :0.24269 Mean :394.8
#> 3rd Qu.:2.5408 3rd Qu.:24.55 3rd Qu.:0.26799 3rd Qu.:407.0
#> Max. :5.3375 Max. :25.38 Max. :0.48396 Max. :554.0
#> ST_M2_SE PAN_M2 PAN_M2_SE GT_PAN
#> Min. : 4.00 Min. :192.1 Min. : 6.009 Min. : 67.97
#> 1st Qu.:13.00 1st Qu.:301.8 1st Qu.:15.000 1st Qu.: 68.86
#> Median :20.82 Median :333.9 Median :20.000 Median : 69.39
#> Mean :20.09 Mean :346.5 Mean :20.931 Mean : 75.86
#> 3rd Qu.:24.85 3rd Qu.:382.1 3rd Qu.:26.252 3rd Qu.: 72.23
#> Max. :40.10 Max. :531.8 Max. :38.000 Max. :111.52
#> GT_PAN_SE GF_PAN GF_PAN_SE
#> Min. : 0.05277 Min. :60.02 Min. : 0.6436
#> 1st Qu.: 1.77913 1st Qu.:60.57 1st Qu.: 1.5229
#> Median : 2.91998 Median :62.67 Median : 3.5495
#> Mean : 7.37684 Mean :66.90 Mean : 6.5664
#> 3rd Qu.:12.34776 3rd Qu.:67.23 3rd Qu.: 9.4401
#> Max. :20.41136 Max. :90.01 Max. :19.8455