Ionic relationships between macronutrients and sodium in parsley under nutrient solutions prepared with brackish water

Muchecua, Salimo M. H.; Júnior, José Amilton Santos; Menezes, Sirleide Maria de; Silva, Gerônimo Ferreira da; Chaves, Lúcia Helena Garófalo; Cruz, Ruana I. F.

doi:10.1590/1807-1929/agriambi.v26n1p11-20

Cited by 3 publications

(2 citation statements)

References 22 publications

(18 reference statements)

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“…In hydroponics, the use of waters with high electrical conductivities has been possible (Silva et al, 2018;. These results have been partly attributed to the minimization of the matrix potential in this form of cultivation, which favors the use of waters with higher concentrations; however, studies have highlighted the impact of the cation prevalence in these waters (Santos Júnior et al, 2015b;Muchecua et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

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Hydroponic coriander grown under nutritional solutions prepared with brackish water of different cation prevalence

Navarro

Silva

Júnior

et al. 2023

Rev. bras. eng. agríc. ambient.

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The use of brackish water for preparation of nutrient solutions has several impacts on crop performance, depending on the water concentration and cation prevalence. Therefore, this study was conducted to evaluate production and water relations of coriander grown on nutrient solutions prepared with brackish waters with different cationic natures under hydroponic conditions. A randomized block experimental design with four replicates was used, in a 4 × 3 factorial arrangement. The treatments consisted of four electrical conductivities of the nutrient solution (1.6, 3.2, 4.8, and 6.4 dS m-1) which were prepared in waters with different salts (NaCl, CaCl2.2H2O, and MgCl2.6H2O). Salinity negatively affected the production and water relations of coriander grown in hydroponic system; plants grown on nutritive solutions with predominance of Na+ had higher total dry weight and shoot dry weights, as well as higher stomatal conductance. The largest leaf area was found when using the nutrient solution with predominance of Mg2+.

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Section: Introductionmentioning

confidence: 99%

“…In this sense, studies have evaluated impacts of different cation prevalence on the use efficiency of macronutrients in the context of concentrations in brackish water when preparing nutrient solutions (Muchecua et al, 2022), water relations (Navarro et al, 2022), and production variables (Martins et al, 2019a) for leafy vegetables.…”

Section: Introductionmentioning

confidence: 99%

Hydroponic coriander grown under nutritional solutions prepared with brackish water of different cation prevalence

Navarro

Silva

Júnior

et al. 2023

Rev. bras. eng. agríc. ambient.

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Mineral nutrition and hydroponic kale production under saline stress and calcium nitrate

Oliveira,

Silva,

Santos

et al. 2023

Hortic. Bras.

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An adequate use of brackish water in agricultural production is one of the main challenges for researchers and rural producers, since saline stress may cause physiological and nutritional changes in plants, affecting the crop yield. An appropriate mineral nutrition is essential for plants, grown under saline stress, to express their productive potential. The aim of this study was to evaluate the mineral nutrition and hydroponic kale production under saline stress and calcium nitrate. The experiment was carried out using one hydroponic system in substrate, following a randomized block design, with five treatments and four replicates. The treatments consisted of five nutrient solutions, with a control treatment {S1 = standard nutrient solution using low salinity water, 0.5 dS/m [750 mg/L of Ca(NO3)2]}, and four nutrient solutions prepared using brackish water (6.0 dS/m) containing four concentrations of Ca(NO3)2 (S2 = 750 mg/L, S3 = 1,125 mg/L, S4 = 1,500 mg/L, S5 = 1,875 mg/L). We determined the levels of N, P, K, Ca, Mg and S in leaf tissue at three evaluation times (50, 64 and 78 DAT). Mineral levels in the leaves, stem and root were also evaluated at the end of the experiment (100 DAT). In addition, leaf production and the agronomic efficiency of Ca(NO3)2 were verified. The highest leaf production (1780 g/plant) and agronomic efficiency [2.37 g fresh matter/mg of Ca(NO3)2] were obtained in the standard nutrient solution, and both were reduced at 55.6% by salinity. The extra addition of 50% Ca(NO3)2 in the saline nutrient solution reduced the effect of salinity on Mg absorption and the effect of NaCl addition on kale production.

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Water Efficiency of Coriander under Flows of Application of Nutritive Solutions Prepared in Brackish Waters

Bezerra

Júnior

Pessoa

et al. 2022

Water

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The impact of the salinity of the nutrient solution on water efficiency can be changed by the application flow. The aim of this work was to analyze the water efficiency and production components of coriander plants, cultivar Verdão, exposed to nutrient solutions (1.7, 3.0, 4.5, and 6.0 dS m−1) applied with different flow rates (1.0, 2.0, 3,0, and 4.0 L min−1) in an NFT hydroponic system. Two experiments were carried out in a greenhouse with two sources of salts to prepare the electrical conductivity. In the first experiment, NaCl was used, and CaCl2·2H2O was used in the second. Variables were analyzed related to the production components and the consumption of water use efficiency. It was found that the water efficiency and production components of coriander plants were more affected by increases in electrical conductivity in the nutrient solution. CaCl2·2H2O better promotes the lower production of dry mass, plant height, water consumption, and the instantaneous and intrinsic efficiency of water use than NaCl. The coriander’s water relations were inhibited by increases in the concentration of salts in nutrient solution, while increases in the flow rate of the nutrient solution negatively affected the productive parameters of the coriander plants.

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Ionic relationships between macronutrients and sodium in parsley under nutrient solutions prepared with brackish water

Cited by 3 publications

References 22 publications

Hydroponic coriander grown under nutritional solutions prepared with brackish water of different cation prevalence

Hydroponic coriander grown under nutritional solutions prepared with brackish water of different cation prevalence

Mineral nutrition and hydroponic kale production under saline stress and calcium nitrate

Water Efficiency of Coriander under Flows of Application of Nutritive Solutions Prepared in Brackish Waters

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