Optimization of Nutrition in Soilless Systems: A Review

Gorbe, Elisa; Calatayud, Ángeles

doi:10.1016/s0065-2296(10)53006-4

Cited by 52 publications

(40 citation statements)

References 215 publications

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“…Nowadays, cultivating in substrata has its management founded on fertigation and drainage of a certain percentage of the applied volume in order to keep substratum conditions adequate for the crop [4, 5]. On the other hand, this management causes a high residual volume, not used by the plants, which, when discarded, can contaminate the soil and water fountainheads [6, 7].…”

Section: Introductionmentioning

confidence: 99%

Nitrogen and Potassium Concentrations in the Nutrients Solution for Melon Plants Growing in Coconut Fiber without Drainage

Gratieri

Filho

Barbosa

et al. 2013

The Scientific World Journal

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With the objective of evaluating the effects of N and K concentrations for melon plants, an experiment was carried out from July 1, 2011 to January 3, 2012 in Muzambinho city, Minas Gerais State, Brazil. The “Bonus no. 2” was cultivated at the spacing of 1.1 × 0.4. The experimental design was a randomized complete block with three replications in a 4 × 4 factorial scheme with four N concentrations (8, 12, 16, and 20 mmol L−1) and four K concentrations (4, 6, 8, and 10 mmol L−1). The experimental plot constituted of eight plants. It was observed that the leaf levels of N and K, of N-NO3 and of K, and the electrical conductivity (CE) of the substrate increased with the increment of N and K in the nutrients' solution. Substratum pH, in general, was reduced with increments in N concentration and increased with increasing K concentrations in the nutrients' solution. Leaf area increased with increments in N concentration in the nutrients solution. Fertigation with solutions stronger in N (20 mmol L−1) and K (10 mmol L−1) resulted in higher masses for the first (968 g) and the second (951 g) fruits and crop yield (4,425 gm−2).

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Section: Introductionmentioning

confidence: 99%

Nitrogen and Potassium Concentrations in the Nutrients Solution for Melon Plants Growing in Coconut Fiber without Drainage

Gratieri

Filho

Barbosa

et al. 2013

The Scientific World Journal

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“…Identifying an ideal solution for the cultivation of plants is desirable, but it is important to consider a number of factors because nutritional absorption is not only affected by the average concentration of nutrients in solution, but also the nutrient concentration in the root surface (Gorbe and Calatayud, 2010). This fact is involved closely with transpiration, because ions dissolved in the nutrient solution are transported up the root mass flow by and subsequently to absorb up to the shoot of the plant, which is driven by E (Marenco and Lopes, 2005) and…”

Section: Discussionmentioning

confidence: 99%

The Effect of the Ionic Strength of Nutrient Solution on Gas Exchange, Ionic Concentration and Leaf Biomass ofAnnona emarginata(Schltdl.) H. Rainer Variety ‘Terra-Fria’ Seedlings

Báron

Ferreira

Boaro

et al. 2015

Journal of Plant Nutrition

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The present study aimed to test the hypothesis that different levels of the availability of mineral nutrients from Hoagland and Arnon"s (1950) nutrient solution no. 2 affect the photosynthesis, ionic concentration and biomass production in seedlings of Annona emarginata (Schltdl.) H.Rainer variety "terra-fria". Seedlings were grown in a hydroponic setting with 100% ionic strength and with ionic strength reduced to 75%, 50%, and 25%. Ionic strengths intermediate resulted in higher rates of carbon net assimilation and plants grown under these conditions increased biomass as well ionic concentrations of calcium, magnesium and sulphur. The "terraDownloaded by [New York University] at 11:00 11 June 2015 ACCEPTED MANUSCRIPT ACCEPTED MANUSCRIPT 2fria" plants with nutrient solutions of 50% and 75% ionic strength exhibited higher ionic concentrations, instantaneous carboxylation efficiency and biomass production. It can be concluded that the "terra-fria" does not require the maximum mineral nutrients availability from Hoagland and Arnon"s (1950) to achieve high primary productivity and intermediate ionic strengths can even reduce the time required for rootstock formation.

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“…If the aim is to design an experiment in which these two factors have the least limiting effect on growth, then hydroponics or aeroponics is the preferred choice (Waisel 2002;Gorbe and Calatayud 2010). Hydroponics systems can be either based on roots suspended in a water solution or in some solid medium such as sand, rockwool, or another relatively inert medium, which is continuously replenished with nutrient solution (Cooper 1979).…”

Section: A Hydroponicsmentioning

confidence: 99%

The art of growing plants for experimental purposes: a practical guide for the plant biologist

Poorter

Fiorani

Stitt

et al. 2012

Functional Plant Biol.

209

157

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Abstract. Every year thousands of experiments are conducted using plants grown under more-or-less controlled environmental conditions. The aim of many such experiments is to compare the phenotype of different species or genotypes in a specific environment, or to study plant performance under a range of suboptimal conditions. Our paper aims to bring together the minimum knowledge necessary for a plant biologist to set up such experiments and apply the environmental conditions that are appropriate to answer the questions of interest. We first focus on the basic choices that have to be made with regard to the experimental setup (e.g. where are the plants grown; what rooting medium; what pot size). Second, we present practical considerations concerning the number of plants that have to be analysed considering the variability in plant material and the required precision. Third, we discuss eight of the most important environmental factors for plant growth (light quantity, light quality, CO 2 , nutrients, air humidity, water, temperature and salinity); what critical issues should be taken into account to ensure proper growth conditions in controlled environments and which specific aspects need attention if plants are challenged with a certain a-biotic stress factor. Finally, we propose a simple checklist that could be used for tracking and reporting experimental conditions.

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Optimization of Nutrition in Soilless Systems: A Review

Cited by 52 publications

References 215 publications

Nitrogen and Potassium Concentrations in the Nutrients Solution for Melon Plants Growing in Coconut Fiber without Drainage

Nitrogen and Potassium Concentrations in the Nutrients Solution for Melon Plants Growing in Coconut Fiber without Drainage

The Effect of the Ionic Strength of Nutrient Solution on Gas Exchange, Ionic Concentration and Leaf Biomass ofAnnona emarginata(Schltdl.) H. Rainer Variety ‘Terra-Fria’ Seedlings

The art of growing plants for experimental purposes: a practical guide for the plant biologist

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