Page 132 - EER-2-3

Explora: Environment
and Resource Low-cost hydroponic for chili production

Appendix

Table A1. Hydroponic nutrient solution (Hoagland and Arnon )
1
Nutrient Concentration Amount
Solution 1
KH PO 1 M 1 cc/L nutrient solution
2 4
KNO 3 1 M 5 cc/L nutrient solution
Ca (NO ) 1 M 5 cc/L nutrient solution
3 2
MgSO 1 M 2 cc/L nutrient solution
4
Supplementary solution a 1 cc/L nutrient solution
H BO 2.86 g/L water
3 3
MnCl .4H O 1.81 g/L water
2 2
ZnSO .7H O 0.22 g/L water
2
4
CuSO .5H O 0.08 g/L water
4 2
H MoO .H O 0.02 g/L water
2 4 2
Supplementary solution b 1 cc/L nutrient solution
Iron tartrate 0.5%

Table A2. Seedling vigor index‑I of plants after 10 days of germination in different growing media

Growing medium Seedling vigor index
Soil 509.33 (11.15) a
Coco peat 736.67 (7.13) b
Notes: Data presented as the mean (SD); means followed by the same letters are not significantly different (p<0.05).

Table A3. Plant growth parameters and nutritional quality of fruit

Experimental group Set I Set II Set III
Shoot height (cm) 35.57 (1.94) a 45.73 (1.39) b 32.70 (3.50) a
Days required for first flowering 58.65 (2.37) a 58.35 (1.43) a 73.65 (3.62) b
Days required for first fruiting 82.35 (1.57) a 82.00 (1.62) a 108.00 (3.16) b
Days required for complete 112.65 (1.66) a 113.65 (1.18) a 134.65 (2.06) b
maturation
Fruit weight (g) 3.16 (0.20) a 3.20 (0.19) a 2.07 (0.25) b
Fruit yield (kg/plant) 1.20 (0.025) a 1.27 (0.017) a 0.66 (0.017) b
Vit. C (mg Ascorbic acid/100 gfw) 109.37 (2.03) a 108.43 (1.79) a 84.86 (1.33) b
Capsaicin (mg/10 gfw) 74.26 (1.75) a 74.50 (1.75) a 55.37 (1.91) b
Notes: Data presented as the mean (SD); means followed by the same letters are not significantly different according to Duncan’s multiple range test
(p<0.05).

Volume 2 Issue 3 (2025) 12 doi: 10.36922/EER025250050