Abstract
In desalination process, besides the potable water, highly salty and pollutant water (brine) is generated, which can be used for producing crops since it is carefully monitored. In order to test this hypothesis, bell pepper plants, cv. 'Margarita', were grown in coconut fiber substrate under greenhouse and were irrigated with nutrient solutions prepared with tap water, brine from desalination plant, and its dilution with tap water at 75, 50 and 25%, giving a range of electrical conductivities of the nutrient solution (ECs) of 2.6, 3.1, 6.6, 10.0 and 12.2 dS m-1 after the dilutions and fertilizers addition. Completely randomized blocks design was used with 5 treatments (salinity levels of the nutrient solutions) and six replications. Leaf area, number of marketable fruit, total and marketable yield were reduced with ECs increase. The marketable yield of bell pepper 'Margarita' reduced 6.3% for each unitary increase of ECs above 2.6 dS m-1 (threshold salinity) and the results suggest that in hydroponic system, the reduction of marketable yield with increasing ECs is promoted by reduction of the number of fruits per plant instead of a reduction of fruit mean weight.
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Claims 4
Claim · model-written summary
Leaf area and number of marketable fruit of bell pepper were reduced as nutrient solution electrical conductivity (ECs) increased.
- Taxon
- BELL PEPPERt0
- Treatment
- ECs increasee0
- Outcome
- Leaf area, number of marketable fruite0
- Direction
- reducede0
Not reportedComparator
Verbatim
t0“BELL PEPPER”
e0“Leaf area, number of marketable fruit, total and marketable yield were reduced with ECs increase”
Claim · model-written summary
Total and marketable yield of bell pepper were reduced as ECs increased.
Not reportedComparator
Verbatim
t0“BELL PEPPER”
e0“Leaf area, number of marketable fruit, total and marketable yield were reduced with ECs increase”
Claim · model-written summary
Marketable yield of bell pepper 'Margarita' fell by 6.3% for each unit increase of ECs above the 2.6 dS m-1 threshold salinity.
- Taxon
- bell peppere0
- Material
- Margaritae0
- Treatment
- each unitary increase of ECs above 2.6 dS m-1e0
- Outcome
- marketable yielde0
- Direction
- reducede0
- Value
- 6.3%e0
- Qualifier
- threshold salinitye0
Not reportedComparator
Verbatim
e0“The marketable yield of bell pepper 'Margarita' reduced 6.3% for each unitary increase of ECs above 2.6 dS m-1 (threshold salinity)”
Claim · model-written summary
The authors suggest that in the hydroponic system the marketable yield reduction with increasing ECs is promoted by fewer fruits per plant rather than lower mean fruit weight.
Verbatim
t0“BELL PEPPER”
e0“in hydroponic system, the reduction of marketable yield with increasing ECs is promoted by reduction of the number of fruits per plant instead of a reduction of fruit mean weight”
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