Data Dictionary for: 20241205_FS23_compiled_dataset.csv
=========================================================

Used In Chapter(s): 5
Variables: 8
Rows: 3,283
Missing data coding: NA 
Processed from: "~/chapter-05_strawberry_foliar_sprays/data/primary/*", see 'datacompilation_FS_v0.0.10.R'
Notes:  


---------------------------------------------------------------------------------------------------------------------------------------------------------
| Variable Name  	| Data Type 	| Description                                                                                                   |
|-----------------------|---------------|---------------------------------------------------------------------------------------------------------------|
| date                  | date          | The date on which the measurement was taken                                                                   |
| experiment            | string        | Identifier for the experiment from which measurements were taken                                              |
| sample                | string        | Identifier for the individual plant/experimental unit from which measurements were taken                      |
| genotype              | string        | Genotype of the individual plant/experimental unit from which measurements were taken                         |
| treatment             | string        | Identifier for the foliar spray treatment applied to the plant/experimental unit                              |
| block                 | numeric       | Identifier for the block in the polytunnel where the plant/experimental unit was located                      |
| measure_var           | string        | Variable that was measured. Abbreviations can be found below                                                  |
| value                 | numeric       | Value of the variable that was measured                                                                       |
---------------------------------------------------------------------------------------------------------------------------------------------------------


Levels for measure_var:
- chl: Leaf chlorophyll fluorescence, measured using the Dualex leaf-clip device – see thesis Section 5.2.7
- flav: Estimated leaf flavonoid content, measured using the Dualex leaf-clip device – see thesis Section 5.2.7
- anth: Estimated leaf anthocyanin content, measured using the Dualex leaf-clip device – see thesis Section 5.2.7
- nbi: Leaf nitrogen balance index, calculated as chl/flav – see thesis Section 5.2.7
- temp: Leaf temperature, measured using the Dualex leaf-clip device – see thesis Section 5.2.7
- yield_number: Number of harvested berries (all quality classes combined)
- class1_number: Number of class I berries – see thesis Section 5.2.5
- class2_number: Number of class II berries – see thesis Section 5.2.5
- waste_number: Number of waste berries – see thesis Section 5.2.5
- yield_weight_grams: Total weight (grams) of all harvested berries
- brix: Total soluble solids content, measured using a digital refractometer – see thesis Section 5.2.6
- avg_berry_weight_grams: Mean berry weight (grams), calculated as yield_weight_grams / yield_number
- calcium_ppm: Berry calcium content (ppm), measured by external lab via ICP-MS
- magnesium_ppm: Berry magnesium content (ppm), measured by external lab via ICP-MS
- manganese_ppm: Berry manganese content (ppm), measured by external lab via ICP-MS
- boron_ppm: Berry boron content (ppm), measured by external lab via ICP-MS
- copper_ppm: Berry copper content (ppm), measured by external lab via ICP-MS
- molybdenum_ppm: Berry molybdenum content (ppm), measured by external lab via ICP-MS
- iron_ppm: Berry iron content (ppm), measured by external lab via ICP-MS
- sodium_ppm: Berry sodium content (ppm), measured by external lab via ICP-MS
- iodine_ppm: Berry iodine content (ppm), measured by external lab via ICP-MS
- cobalt_ppm: Berry cobalt content (ppm), measured by external lab via ICP-MS
- zinc_ppm: Berry zinc content (ppm), measured by external lab via ICP-MS
- sulphur_ppm: Berry sulphur content (ppm), measured by external lab via ICP-MS
- phosphorus_ppm: Berry phosphorus content (ppm), measured by external lab via ICP-MS
- potassium_ppm: Berry potassium content (ppm), measured by external lab via ICP-MS
- nitrogen_ppm: Berry nitrogen content (ppm), measured by external lab via ICP-MS
- selenium_ppm: Berry selenium content (ppm), measured by external lab via ICP-MS
- ascorbic_acid_mg_100g_fw: Total ascorbic acid content of berries, per 100g fresh weight, measured by HPLC
- malic_acid_mg_per_g_fw: Malic acid content of berries, per 1g fresh weight, measured by HPLC
- citric_acid_mg_per_g_fw: Citric acid content of berries, per 1g fresh weight, measured by HPLC
- theoretical_titratable_acidity: Estimated acidity based on malic and citric acid concentrations – see thesis Section 4.2.2.2
- tss_tta_ratio: Ratio of brix to theoretical_titratable_acidity





