Impact of seaweeds on agricultural crop production as biofertilizer

Nabti, El-hafid; Jha, Bhavanath; Hartmann, Anton

doi:10.1007/s13762-016-1202-1

Cited by 152 publications

(117 citation statements)

References 133 publications

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“…The use of seaweed extracts as biostimulants was thoroughly reviewed by Khan et al. (), Craigie (), Sharma, Fleming, Selby, Rao, and Martin (), Battacharyya, Babgohari, Rathor, and Prithiviraj (), and Nabti, Jha, and Hartmann (). Among horticultural crops, it has been shown that seaweed extract treatment improved seed vigor of bean (Carvalho, Castro, Novembre, & Chamma, ) and elicited proline accumulation in bean leaves under severe drought stress (Carvalho, Castro, Gaziola, & Azevedo, ).…”

Section: Introduction To the Biostimulants Application In Plant Produmentioning

confidence: 99%

Biostimulants research in some horticultural plant species—A review

Parađiković

Teklić

Zeljković

et al. 2018

Food and Energy Security

185

112

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Different substances from the natural origin which have beneficial effects on plant growth and development, stress resistance, and crop yield and quality can be called biostimulants or biostimulators. Their physiological effects depend on their composition as they contain various organic and mineral compounds which plants can use as metabolites, growth regulators, and nutrients; however, biostimulants cannot be considered biofertilizers. Biostimulants applied in plant production have been widely considered as an environment‐friendly agricultural practice—and so are now among tools used in sustainable agriculture. Here, we discuss the results of the biostimulants’ effect investigations performed in Croatia, focused on horticultural crops, with edible plant species, such as tomato, garlic, bell pepper, lettuce, strawberry, garden cress, and basil, as well as ornamentals, such as wild rose, wax begonia, Mexican and French marigold, moss rose, everlasting flower, common zinnia, English primrose, and scarlet sage. The investigated biostimulants were applied at all plant growth stages, from germination to full plant and fruit or flower commercial maturity, using the seed treatment, foliar application, or irrigation. To evaluate biostimulant effectiveness, various morphological, physiological, and quality traits were analyzed. In this wide array of studies, the evaluated biostimulants mostly enhanced seed and transplant vigor, stimulated vegetative growth, improved nutrient acquisition and distribution within the plant, increased antioxidative capacity of plant tissues, contributing to higher stress tolerance, and improved plant yield and fruit/flower quality. In general, the research reviewed here implies possible benefits of biostimulant application in horticultural production, especially in stressful growth conditions, such as the transplant stage, reduced fertilization, or incidence of other abiotic stress. Considering possible interactions among the contained physiologically active compounds, the effects on plants may depend on dose, time of treatment, growth conditions, and plant species. Therefore, further research of biostimulant applications in horticultural production is suggested.

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Section: Introduction To the Biostimulants Application In Plant Produmentioning

confidence: 99%

Biostimulants research in some horticultural plant species—A review

Parađiković

Teklić

Zeljković

et al. 2018

Food and Energy Security

185

112

View full text Add to dashboard Cite

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“…However, when adapting to new environmental surroundings, they produce a wide variety of hygienic primary and secondary metabolites [2]. Therefore, seaweeds are regarded as a treasure trove of untapped natural biologically active compounds [3]. They have been used as renewable quality and quantitative bio-resources in sustainable botanical applications [4].…”

Section: Introductionmentioning

confidence: 99%

The Potentiality of Marine Macro-Algae as Bio-Fertilizers to Improve the Productivity and Salt Stress Tolerance of Canola (Brassica napus L.) Plants

et al. 2019

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The present study aimed to evaluate the potentiality of three seaweeds, which belong to different algal taxa (green alga Ulva lactuca Linnaeus, brown alga Cystoseira spp., and red alga Gelidium crinale (Hare ex Turner) Gaillon) as bio-fertilizers to improve the growth and yield of canola (Brassica napus L.) plants under greenhouse conditions. Furthermore, the impact of seaweeds in alleviating the effects of salt stress (75 and 150 mM NaCl) on canola plants was also investigated. The three examined seaweeds (applied as soil amendments) successfully alleviated the harmful effects of salinity on canola plants by significantly reducing the inhibition of chlorophyll a, b, total carbohydrate accumulation, and growth promoting hormones, while increasing antioxidative compounds, such as phenols, flavonoids, anthocyanin, and osmoprotectants, including total carbohydrates and proline. Phytochemical analysis of the three examined seaweeds suggests that their stimulatory effect on growth and productivity under normal and salinity growth conditions may be linked to their constituents of a wide variety of growth promotive hormones, including indole acetic acid, indole butyric acid, gibberellic acid, cytokinins, total carbohydrates, and phenolic compounds. U. lactuca was found to be the best candidate to be used as a bio-fertilizer to improve canola growth, yield, and salt stress tolerance.

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“…The major components of commercial SWE are polysaccharides, followed by phenolics, vitamins precursors, osmolytes (mannitol), phytohormones, and hormone-like compounds [10]. Furthermore, they improve plant resistance to both biotic and abiotic stress [11], activating different metabolites that provide the plant with a better defense against pathogens [12].…”

Section: Introductionmentioning

confidence: 99%

The Use of Biostimulants in High-density Olive Growing: Quality and Production

Hernández-Hernandez¹,

Salazar²,

Martínez-Tomé³

et al. 2019

AJAAR

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Due to the increase of high-density holdings, especially of olive trees, the nutritional requirements of the plants are higher per unit area, which implies that a greater contribution of fertilizers to the soil is needed. Opting for fertilizers of inorganic origin will produce an increase in the pollution of the soil. In the face of this possible soil contamination, our aim is to analyze the effect of biostimulants as an alternative to chemical fertilizers, to steadily produce and maintain high quality standards during the life of the crop. Our objective is using more environmentally friendly products in order to satisfy one of the most important demands from both consumers and the authorities. In this study, we carried out five different treatments in addition to a control treatment with a supply of NPK, from inorganic products, which are used to control fertilization with a solution obtained from seaweed extracts. These treatments were applied in two crop cycles for two of the most important varieties in the current olive tree growing scenario: Arbequina and Koroneiki. Hernández-Hernandez et al.; AJAAR, 10(4): 1-11, 2019; Article no.AJAAR.49116 2 This study was developed in the farm Pozohondo, which is located in a crop zone by the Palancia river (Castellón, Valencia, Spain), in the southeast of the Iberian Peninsula, where the olive trees were established in a high-density system with a planting framework of 4 x 1.5 m. We ensured an exhaustive control of the nutritional needs of the holding by using a fertigation system. We could notice differences in the productions of each applied treatment, avoiding any possible biases through the additional control of 100 randomly selected olives from each of the samples. There is an improvement in the set of physical characteristics of the olives with the treatment that provides amino acids and extra potassium based on amni acids. We analyzed the quality of the olive oil obtained from the production of each treatment by measuring the fatty acids, tocopherols and polyphenols contents. We also carried out an organoleptic tasting analysis following the rules of the International Olive Committee (IOC). We observed an improvement with regard to the rest of treatments in the pomological parameters of the olives when applying the potassium and amino acid biostimulant, while the quality of the oils was not affected by the type of fertilization applied in each treatment. Original Research Article

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Impact of seaweeds on agricultural crop production as biofertilizer

Cited by 152 publications

References 133 publications

Biostimulants research in some horticultural plant species—A review

Biostimulants research in some horticultural plant species—A review

The Potentiality of Marine Macro-Algae as Bio-Fertilizers to Improve the Productivity and Salt Stress Tolerance of Canola (Brassica napus L.) Plants

The Use of Biostimulants in High-density Olive Growing: Quality and Production

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