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Academic literature on the topic 'Seedlings Physicochemical parameters'
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Journal articles on the topic "Seedlings Physicochemical parameters"
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Ma, Guoxin, Qiang Shi, Yuanchao Wu, et al. "Effects of Biochar on the Growth and Physiological and Mechanical Properties of Cucumber Plug Seedlings Before and After Transplanting." Agriculture 14, no. 11 (2024): 2012. http://dx.doi.org/10.3390/agriculture14112012.
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Since the characteristics of plug seedlings affect the effectiveness of automatic transplanting, this study aimed to explore the effect of the addition of biochar into substrates on the growth of plug seedlings before and after transplanting. The physicochemical properties of substrates with 0%, 5%, 10%, 15%, 20%, and 25% biochar addition all met the requirements of seedling cultivation. The growth trend, root systems, and mechanical properties of seedlings before transplanting and the leaf gas exchange parameters of seedlings after transplanting were measured in this study. The results indicated that the seedlings cultivated with 10% biochar added to the substrate achieved the best growth trend and physiological indices, and the root systems under this treatment were also stronger than those of other treatments, while the seedlings cultivated with 25% biochar treatment were the worst, with less than 22.23% of the growth seen in the 10% biochar treatment, and even less than 1.5% of the growth of the seedlings cultivated without biochar treatment. Since the strong root systems could enhance the mechanical properties of seedling pots, the seedling pots cultivated with 10% biochar added into the substrate possessed the best compression resistance properties, with the maximum value of 49.52 N, and could maintain maximum completeness after free-fall impacting, wherein the loss of root and substrate was only 8.22%. The analysis results of seedlings cultivated after impacting proposed that the seedlings with better growth trends and root systems before transplanting could obtain better leaf gas exchange parameters during the flower stage after transplanting, so the seedlings cultivated with 5%~10% biochar added into the substrate grew better after impacting and then transplanting. It was noticed that the seedlings cultivated with appropriate biochar added into the substrate were able to achieve the optimal growth parameters and mechanical properties before and after transplanting, which were better able to meet the requirements of automatic transplanting. Thus, this study can promote the development of automatic transplanting technology to some extent.
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Guragain, Rajesh Prakash, Suman Prakash Pradhan, Hom Bahadur Baniya, et al. "Impact of Plasma-Activated Water (PAW) on Seed Germination of Soybean." Journal of Chemistry 2021 (December 29, 2021): 1–12. http://dx.doi.org/10.1155/2021/7517052.
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The present study reports the generation of plasma-activated water (PAW) using dielectric barrier discharge (DBD), its physicochemical properties, and its potential impact on the seed germination and seedling growth of soybean. The results revealed significant changes in physical parameters, such as pH, total dissolved solids, total suspended solids, turbidity, conductivity, dissolved oxygen, and chemical parameters, such as calcium, chromium, sodium, manganese, nitrate, nitrites, phosphorus, and sulfur and biological parameter such as E. coli in water after plasma treatment. The concentration of dissolved oxygen, conductivity, nitrate, nitrite, and sulfur was increased with an increase in water treatment time, and the amounts of the other analyzed parameters decreased with the increase in water treatment time. The effects of untreated water and plasma-activated water treated for 20 minutes on soybean germination and growth were studied. The germination rate was found to be higher with plasma-treated water. Shoot lengths, seedlings length, vigor index, and germination rates were increased as compared to those germinated by normal water irrigation. The seedlings irrigated with PAW responded to the abundance of nitrogen by producing intensely green leaves because of their increased chlorophyll a as compared to seedlings irrigated with normal water. However, the content of chlorophyll b and carotenoids was found to decrease in the case of seedlings irrigated with PAW. Based on this report, we conclude that PAW could be used to substantially enhance seed germination and seedling growth.
3
Domene, Miguel Ángel, Felipe Gómez, Rocío Soria, Ana B. Villafuerte, Isabel Miralles, and Raúl Ortega. "Comparative Analysis of Horticultural and Animal Waste Compost: Physicochemical Properties and Impact on Plant Growth." Agronomy 15, no. 3 (2025): 516. https://doi.org/10.3390/agronomy15030516.
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In Europe, food and agricultural waste amount to millions of tonnes annually. Effective management and valorisation of these residues result in environmental benefits and foster opportunities within the circular economy. Composting has emerged as a sustainable method to convert waste into fertiliser, enhancing soil fertility, water retention, and crop resilience against diseases. However, an adequate compost production process is vital to obtain a functional fertiliser. In this study, a controlled conditions self-produced compost from horticultural waste (C1) was compared against two other commercial composts, one of similar vegetable origin (C2) and another from chicken manure (C3). Physicochemical parameters and nutrient contents in the three compost types were analysed, and phytotoxicity and plant development tests were carried out on Lolium multiflorum Lam. seeds and Pistacia lentiscus L. seedlings. C1 presented fertility and germination parameters similar to C3 and showed the best seedling development. In contrast, C2 showed low levels of fertility, germination, and plant development because of impurities and possible substances inhibiting plant growth, suggesting inadequate compost formation processes. Finally, C3, although it presented germination data similar to C1, produced the worst results in the development of seedlings, probably because of high salinity values and low phosphorus content.
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Ogazie, Chinedum, A., Ochekwu, Edache, B., Agbagwa, Ikechukwu, O., and Ugiomoh, Ifeoma, G. "RELATIONSHIP BETWEEN SOIL WEED SEED BANK AND SOIL PROPERTIES IN ARABLE FARMLANDS IN UNIVERSITY OF PORT HARCOURT AND ENVIRONS IN RIVERS STATE-NIGERIA." Journal of Agripreneurship and Sustainable Development 6, no. 2 (2023): 9–20. http://dx.doi.org/10.59331/jasd.v6i2.429.
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This paper considered relationship between soil weed seed bank seedlings and soil physicochemical parameters in arable farmlands was sampled in rainy and dry seasons at 3 different depths of 0-5, 5-10 and 10-15cm. Arable farmlands were 22 and 3 controls. Soils were collected at four points randomly with a soil auger, prepared for laboratory analyses and 100g each placed into 225 small bowls replicated 3 times, which were perforated and having tissue papers at base for soils to prevent soil and weed seeds wash off at watering. Emerged weed seedlings were counted, identified weekly for 12 weeks. Soils were allowed to dry and turned over at 4 and 8 weeks, respectively. Unidentified weeds seedlings were transferred into bigger bowls with humus soils, labeled to grow further and then identified. The parameters considered included soil weed seed bank seedlings and soil physicochemical properties. Weed seedlings data and result from physicochemical analysis were subjected to correlation analysis. Result at 5cm depth for rainy season revealed abundance of weed species significant (p<0.05) correlated with parameters K and Cu with a correlation coefficient (p-value) of 0.507 (0.016) and 0.611(0.003), respectively. But at 10cm depth it was only correlated with pH with a correlation coefficient (p-value of 0.501 (0.018). However, at 15cm weed species abundance was significant (p<0.05) correlated with parameters pH, P, Mg, K and Cu with correlation coefficient (p-value) of 0.488 (0.021), 0.459 (0.032) 0.458 (0.032), 0.445(0.038) and 0.525 (0.012), respectively. The correlation result in dry season revealed that at various depths weed species abundance was not significant (p<0.05). Conclusively, soil, water and cultural practices adopted by farmers might have impacted on the macro and micro nutrients availability with pH as master catalyst, while the non mobility of nutrients in dry season also affected non correlation. It can be determined from this study that the relationship between soil seed weed bank and soil properties in arable fields shows differences at the three depths.
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Singh, Anita, Ekta Antil, Pooja Dalal, and Mansi Bansal. "GREENING AGRICULTURE WITH COCOPEAT: PAVING THE WAY FOR SUSTAINABLE CROP PRODUCTION." International Journal of Advanced Research 13, no. 02 (2025): 805–18. https://doi.org/10.21474/ijar01/20439.
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Soil degradation, a worldwide problem, can be considered a global pandemic. One of the mitigation measures involves integrated nutrient management and organic amendments involving the use of locally available organic resources and external fertilizers. Cocopeat is one such organic material that is a secondary product obtained from coconut processing industries in abundant amounts. Cocopeat is also known as coir pith. Several studies proposed that cocopeat can be used as either soilless growing media with few organic amendments or as soil amelioration that may enhance the physicochemical, and biological properties of soil. The study was conducted from mid-April to mid-June during the time of 60 days. The soil was amended with varied concentrations of cocopeat (0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 100%), and appropriate fertigation was done. The present study evaluates the effect of cocopeat amended soil on soils physicochemical properties and plant growth of Clitoriaternatea seedlings. The results demonstrate that increasing cocopeat concentration improved physicochemical parameters of growing media compared to control treatment, i.e., 100% soil resulting in increased availability of nutrients to plants and stimulating plant growth. Also, cocopeat incorporation into soil improved the morphological parameters of plants grown in them as shown by enhanced seedlings height and dry weight compared to control. But application of 100% cocopeat showed growth inhibition in Clitoriaternatea seedlings.
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Amaral, Bruna Chaves, Juliele Gomes da Silva Zucoloto, Arnaldo Henrique de Oliveira Carvalho, Maria Eduarda Marques da Conceição, Jacyelli Sgranci Angelos, and Mateus Zava Zucolotto. "Quality of Vinhático da Mata (Plathymenia Foliolosa) Seedlings Produced in Substrates Formulated with Carbonized Coffee Straw." Revista de Gestão Social e Ambiental 18, no. 11 (2024): e09644. http://dx.doi.org/10.24857/rgsa.v18n11-228.
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Objective: This study aimed to evaluate the physicochemical characteristics of different formulations of alternative substrates containing carbonized coffee husks and their effect on the development of vinhático da mata (Plathymenia foliolosa) seedlings. Method: Nine treatments were tested, including combinations of latosol, carbonized coffee straw, and commercial substrate. The experiment followed a completely randomized design, with three replicates and 10 seedlings per replicate. After 90 days, the morphological parameters of the seedlings and the physicochemical characteristics of the substrates were evaluated. Results and Discussion: The results indicated significant differences between the treatments: the substrate with 50% latosol and 50% coffee straw (T3) provided greater growth and fresh mass, while the commercial substrate (T6) stood out in total dry mass, Dickson Quality Index (DQI), and electrical conductivity within the recommended standards. Research Implications: Research on substrates for vinhático da mata seedlings promotes sustainable agricultural practices and improves the quality of seedlings for reforestation. The use of coffee straw adds value to farmers and strengthens the circular economy. Originality/Value: This study contributes to sustainability by integrating coffee straw, native soil, and commercial substrate, optimizing the cultivation of vinhático seedlings and promoting biodiversity conservation. In addition, it offers new economic opportunities for farmers.
7
Shafique, Irsa, Saiqa Andleeb, Farrukh Naeem, et al. "Cow dung putrefaction via vermicomposting using Eisenia fetida and its influence on seed sprouting and vegetative growth of Viola wittrockiana (pansy)." PLOS ONE 18, no. 2 (2023): e0279828. http://dx.doi.org/10.1371/journal.pone.0279828.
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The current research was conducted at Vermi-tech Unit, Muzaffarabad in 2018 to evaluate the efficacy of cow dung and vermicompost on seed sprouting, seedlings, and vegetative developmental parameters of Viola x wittrokiana (pansy). In the current study, vermicompost was produced using Eisenia fetida. Physicochemical parameters of vermicompost and organic manure were recorded before each experimentation. The potting experiment was designed and comprised of eight germination mediums containing different combinations of soil, sand, cow dung, and various concentrations of vermicompost such as 10% VC, 15% VC, 20% VC, 25% VC, 30% VC, and 35% VC. Seed sprouting and seedling developmental parameters were observed for 28 days while vegetative plant growth parameters were recorded after 10 weeks of transplantation in various vermicompost amended germination media. Pre and post-physicochemical analysis of germination media were also recorded to check their quality and permanency. The current findings showed that 30% VC germination media was an effective dose for early seed germination initiation and all seed germination parameters. However, the significant vegetative plant growth and flowering parameters of pansy occurred at 35% VC. Findings revealed that vermicompost not only enhanced the seed germination and growth of pansy but also improved soil health. These results indicate that vermicompost can be exploited as a potent bio-fertilizer for ornamental plant production.
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Martins, Tiago Carreira, Rui Manuel de Almeida Machado, Isabel Alves-Pereira, Rui Ferreira, and Nazim S. Gruda. "Coir-Based Growing Media with Municipal Compost and Biochar and Their Impacts on Growth and Some Quality Parameters in Lettuce Seedlings." Horticulturae 9, no. 1 (2023): 105. http://dx.doi.org/10.3390/horticulturae9010105.
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The purpose of this study was to develop substrates with little or no peat by combining coir-based growing media with municipal compost and/or acacia biochar, two locally produced renewable resources, and to assess their effects on lettuce seedling emergence and growth, as well as their content in photosynthetic pigments and total phenols. Two experiments were carried out, the first with six mixes using compost and biochar blended with perlite, pine bark, and blonde peat to adjust some physicochemical characteristics. The mixes of coir: compost: pine bark: blonde peat (73:12:5:10, v/v) and coir: compost: biochar: blonde peat (73:12:10:5, v/v) had physicochemical characteristics closer to or within the normal range of the substrates. The presence of 12% compost and 10% biochar in the mixtures had no adverse effect on lettuce seed germination and cumulative seed emergence, which ranged from 90 to 99%. The seedling growth in those mixes was vigorous and higher than in other mixtures. Coir-based growing media with municipal solid waste compost and compost plus biochar can reduce the use of peat to a percentage of 5–10% v/v and the use of 17–22% v/v of locally produced renewable resources. In addition, mixtures affected the total phenol content in the lettuce leaves. Future research is needed to assess the behavior of seedlings after their transplantation.
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Imogie, A.E., O.D. Esiegbuya, E.A. Awelewa, and A. Ojieabu. "Incidence of blast disease in oil palm plantation located in Akamkpa local government of Cross River State." International Journal of Agricultural Sciences and Technology 1, no. 2 (2021): 33–39. https://doi.org/10.51483/IJAGST.1.2.2021.33-39.
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The study into the outbreak of the blast disease in the oil palm plantation in Akamkpa local government of Cross River state was carried out with the aim of identifying the possible sources of contamination of the oil palm seedlings and also the physicochemical parameters of the soil samples. Fungi associated with the blast disease were isolated using the direct plating and bait methods while the physicochemical parameters of the soil were determined using standard methods. The symptoms of the blast disease in the palms begins with rotting of the tips of the roots and then further spreads into the media zone of the cortex resulting in the eventual death of the palm. Fungi isolated from different portion of the affected seedlings, water and soil samples include <em>Pythium, Phytothora, Macrophomina, Aspergillus</em> and <em>Penicillium</em> spp. The results of the soil physical properties of the soil samples showed the particle size analyses of the soils samples to range from 835 gkg<sup>1</sup> to 840 gkg<sup>1</sup> respectively. The soil texture was sandy loam with an acidic pH ranging from 5.3 to 5.8. The contents of organic matter ranged from 6.10g kg<sup>-1</sup> to 14.25 g kg<sup>-1</sup>, total nitrogen 1.58 g kg<sup>-1</sup> to 2.25 g kg<sup>-1</sup>, available phosphorus 5.08 mg kg<sup>-1</sup> to 6.10 mg kg<sup>-1</sup> and potassium 1.16 cmol kg<sup>-1 </sup>to 2.18 cmol kg<sup>-1</sup>. The result of this study has indicated that the source of water used for the watering of the oil palm nursery serve as the possible source of introduction of pathogenic pathogens to the oil palm seedlings.
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Antunes, Luiz Fernando de Sousa, Maria Elizabeth Fernandes Correia, Maura Santos Reis de Andrade da Silva, and Dione Galvão da Silva. "Millicomposting: composting based on the use of diplopods aiming at the production of organic substrates." Revista em Agronegócio e Meio Ambiente 13, no. 3 (2020): 1019–38. http://dx.doi.org/10.17765/2176-9168.2020v13n3p1019-1038.
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Millicomposting, a not so well-known biotechnology, involves the biotransformation of vegetable residues into stable organic matter, promoted by the activity of diplopods, popularly known as millipedes. Considering the importance of the substrate in the production of vegetable seedlings, the aim of the present work was to assess the millicomposting technique and evaluate the efficiency of millicompost in the production of seedlings of the American lettuce cultivar Angelina. The millicompost consisted of Bauhinia sp. (cow’s foot leaves), Paspalum notatum (grass clippings), Musa sp. (banana leaves), and cardboard. Physical, physicochemical, and chemical analyses of the obtained millicompost were performed 180 days into the experiment. The lettuce seedlings were grown in expanded polystyrene trays of 200 cells and the evaluations occurred 30 days after sowing. The evaluated phytotechnical characteristics were fresh and dry shoot mass, fresh and dry root mass, plant height, number of leaves, seedling vigor, and clod stability. The millicompost had a higher total nutrient content and lower volume density than the Biomix® organic substrate. All of the developmental parameters of the lettuce seedlings differed between the millicompost and the Biomix® organic substrate; all of the mean values were higher for the millicompost, except for the number of leaves, which did not differ from the Biomix® organic substrate. The millicomposting process facilitated the reuse of organic waste by converting it into quality organic compost and resulted in the efficient production of excellent quality lettuce seedlings.