Sustainable fertilization through co-application of biochar and chemical fertilizers improves yield, quality of Andrographis paniculata and soil health

Saha, Ajoy; Basak, B. B.; Gajbhiye, Narendra; Kalariya, Kuldeepsingh A.; Manivel, P.

doi:10.1016/j.indcrop.2019.111607

Cited by 81 publications

(43 citation statements)

References 50 publications

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“…Mixing organic amendment with mineral fertilizer is known to improve plant growth because organic matter help retaining soluble nutrients added by mineral fertilizer, preventing them from leaching 45 . Under the current pot experiment conditions where irrigation is controlled, the possibility of nutrients losses via leaching is very low and this most likely explained the lack of synergistic effect between frass and NPK 46 . In field experiment should therefore be carried out to confirm the ability of frass to reduce leaching of nutrients released by mineral fertilizer.…”

Section: Resultsmentioning

confidence: 87%

Potential use of mealworm frass as a fertilizer: Impact on crop growth and soil properties

Houben

Daoulas²,

Faucon

et al. 2020

Sci Rep

111

133

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Rearing insects is expected to dramatically increase during the next few years, and this will be associated with generating high quantities of frass (insect excreta). It is necessary to find solutions allowing the efficient valorization of these by-products before a major upscaling of the industry takes place. therefore, this study aims at investigating the fertilizer potential of frass. A pot experiment was established and soil was amended either with mealworm (Tenebrio molitor L.) frass (10 Mg ha −1 ), with mineral fertilizer (NPK) at equivalent nutrient level to frass or with a mixture of 50% NPK and 50% frass. Changes of soil properties and growth and nutrient uptake by barley (Hordeum vulgare L.) were then analyzed. Due to its rapid mineralization and the presence of nutrient in a readily-available form, we found that frass is as efficient as mineral NPK fertilizer to improve biomass and N, P and K uptake by barley. Compared to mineral fertilizer, water soluble P concentration is five times lower in the presence of frass, which prevents p from loss and sorption onto soil constituents. More importantly, BioLoG ecoplate reveals that addition of frass stimulates soil microbial activity, especially when it is mixed with mineral fertilizer, suggesting a synergistic effect between both amendments. Taken together, our results indicate that frass has a great potential to be used as a partial or a complete substitute for mineral npK fertilizer. this is especially relevant in the context of a reduced availability of mineral fertilizers while being consistent with circular economy's principles.

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Section: Resultsmentioning

confidence: 87%

Potential use of mealworm frass as a fertilizer: Impact on crop growth and soil properties

Houben

Daoulas²,

Faucon

et al. 2020

Sci Rep

111

133

View full text Add to dashboard Cite

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“…Leaf stomatal conductance decreased at Biochar A+Fert at 7.5% and chlorophyll b content decreased at Biochar A+Fert at 15%. The decrease in stomatal conductance and the greater water use efficiency after application of biochar shows the ability of biochar to mitigate stress from the water deficit [5].…”

Section: Discussionmentioning

confidence: 99%

“…Interestingly, DPPH decreased when fertilizer was added with Biochar D at 7.5% but increased in case of 15% Biochar D with fertilizers, indicating the induced stress of the added minerals in the high biochar content, following MDA increment. Total phenolics and antioxidant activities increases were also found in biochar-treated Andrographis paniculata (kalmegh) [5]. Plants have restricted protective processes, including the production of stress response proteins and synthesis of antioxidant enzymes (includes SOD, POD and CAT) in order to overcome reactive oxygen species (ROS) accumulation [64].…”

Section: Discussionmentioning

confidence: 99%

“…Biochar production is a process of dry pyrolysis of organic matter, whereby plant or animal-based organic materials are treated under high temperatures ranging from 450 to 600 • C, under the absence of oxygen or low oxygen conditions [1,2], while lower temperature (300 • C) for biochar production has been reported [3]. Primary material for biochar production is mainly wastes derived from intensive sectors such as agriculture, food, forest residues and wood industries with significant contribution to environmental management and recycling, decreasing the greenhouse gas (GHG) emission and sequester carbon [4][5][6][7]. Biochar (i.e., 70%) use in agriculture as an alternative container substrate adds value to the bioenergy process with significant reduction (up to 54%) of the cost for the use of peat-based substrates [8].…”

Section: Introductionmentioning

confidence: 99%

“…Biochar is constantly receiving increasing attention through its usage for soil modifications, as it increases crop yields and retains or improves soil fertility [11]. At the same time, effective applications are questionable, as farmers need to combine biochar application with sustainable fertilizers and water input [5]. Biochar efficacy on yield increase was attributed to the application of the material in unfertile/barren lands, rather than to fertile soils [12] and the biochar co-application with fertilizers has been suggested [13].…”

Section: Introductionmentioning

confidence: 99%

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Biochar Type and Ratio as a Peat Additive/Partial Peat Replacement in Growing Media for Cabbage Seedling Production

et al. 2019

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Biochar has been proposed mainly as a soil amendment, positively affecting plant growth/yield, and to a lesser degree for growing media. In this study, four commercial grade biochars (A-forest wood; B-husks and paper fiber; C-bamboo and D-fresh wood screening), mostly wood-based materials, were selected. Initial mixtures of peat (P) with different Biochar type and ratios (0-5-10-15-20%) were selected for cabbage seedling production. Biochar material had high K content and pH ≥ 8.64 which resulted in increased pH of the growing media. Biochar A and C at 20% reduced cabbage seed emergence. Biochar A, B and D maintained or improved plant growth at low ratio (i.e., 5–10%) while all Biochars increased N, K and P content in leaves. Biochars A and D were further examined at 7.5% and 15% with the addition of two doses of minerals (1-fold and 1.5-fold). Biochar A and D, initially stimulated seed emergence when compared to the control. High dose of fertilizer favored plant growth in Biochar A at 7.5% and Biochar D at 15%. Leaf stomatal conductance was decreased at Biochar A+Fert at 7.5% and Chlorophyll b content was decreased at Biochar A+Fert at 15%. The presence of Biochar A increased the antioxidant activity (as assayed by 2,2-diphenyl-1-picrylhydrazyl-DPPH). Lipid peroxidation was higher in plants grown with fertilized peat and Biochar A at 15%, activating antioxidant enzymatic metabolisms. Potassium, phosphorous and copper accumulation and magnesium deficiency in cabbage leaves were related to the Biochar presence. Wooden biochar of beech, spruce and pine species (Biochar A) at 7.5% and fertilized biochar of fruit trees and hedges (Biochar D) were more promising for peat replacement for cabbage seedling production.

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Fertilizer source and chitosan effect on productivity, nutrient accumulation, and phenolic compounds of Thymus daenensis Celak

2021

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Productivity of medicinal and aromatic plants refers to their biomass and the target chemical constituents' quantity. A 2‐yr field study was laid out as a split‐plot to evaluate the effectiveness of the exogenous chitosan and fertilizer type on biomass, biochemical characteristics, and phenolic compounds of Thymus daenensis Celak. (denaian thyme, from the mint family). Mainplots consisted of fertilizer type, including synthetic fertilizer (Syn), cow manure (CM), vermicompost (VC), and a combined fertilizer. Foliar application of chitosan at three concentrations (0, 200, and 400 mg L–1) was allocated to subplots. Thyme responded differently, based on its stage of growth. In the establishing year, Syn, and 400 mg L–1 chitosan produced 2,047 kg ha–1dry matter. In the harvesting year, maximum biomass (2,853 kg ha–1) was obtained from the combined fertilizer and 400 mg L–1 chitosan. Accumulation of nutrients was in the order of K > N > P. The highest nutrient accumulation was obtained when combined fertilizer was used. Exogenous chitosan at the rate of 400 mg L–1 boosted nutrient density in leaves. Inboth growing seasons, all phenolic compounds were influenced by fertilizer and chitosan application. Cinnamic acid and rosmarrenic acid were the major phenolic compounds. In the establishment year, major and minor phenolic compounds were highest when CM was applied. Phenolic compounds reached their peak concentration in the harvest year in combined fertilizer treatment. The interactive effects of fertilizer and chitosan on phenolic compounds were minimal in both growing seasons. Combined organic and Syn and chitosan seemed an effective strategy to improve biomass yield, phenolic compounds, and nutrient density in thyme.

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Sustainable fertilization through co-application of biochar and chemical fertilizers improves yield, quality of Andrographis paniculata and soil health

Cited by 81 publications

References 50 publications

Potential use of mealworm frass as a fertilizer: Impact on crop growth and soil properties

Potential use of mealworm frass as a fertilizer: Impact on crop growth and soil properties

Biochar Type and Ratio as a Peat Additive/Partial Peat Replacement in Growing Media for Cabbage Seedling Production

Fertilizer source and chitosan effect on productivity, nutrient accumulation, and phenolic compounds of Thymus daenensis Celak

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