Academic literature on the topic 'Seedling Bulk'

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Journal articles on the topic "Seedling Bulk"

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Zhou, You, Lei Zhang, Yaodi Liu, and Jiyun She. "Effects of Liquid Phase Nano Titanium Dioxide (TiO2) on Seed Germination and Seedling Growth of Camphor Tree." Nanomaterials 12, no. 7 (2022): 1047. http://dx.doi.org/10.3390/nano12071047.

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It is of great significance to popularize and apply nanotechnology in forest plantations for the high-quality development of such areas. Camphor trees have good ecological and environmental benefits and are economic, which makes them worthy of widespread popularization and promotion. In this paper, we successfully synthesized bulk and rod-like TiO2 powder and used it to study the influence of camphor seed germination and seedling growth. The germination rate, germination potential, germination index activity index of camphorwood seed during germination were measured by TiO2 solution with diffe
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Tuttle, C. L., M. S. Golden, and R. S. Meldahl. "Soil compaction effects on Pinustaeda establishment from seed and early growth." Canadian Journal of Forest Research 18, no. 5 (1988): 628–32. http://dx.doi.org/10.1139/x88-092.

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Soil bulk density was related to loblolly pine (Pinustaeda L.) seedling establishment and growth during the first 28 weeks after sowing. Seedling heights were lower when bulk densities exceeded 1.3 Mg m−3 on a sandy clay loam and 1.4 Mg m−3 on a loamy sand. Heights were also lower for bulk densities below 1.2 Mg m−3 on the sandy clay loam soil. Seedling depth of rooting, root weight, and shoot weight were reduced at high bulk densities on both a sandy clay loam and a loamy sand. However, root and shoot weights were also reduced when bulk density fell below 1.3 Mg m−3 on the sandy clay loam. Bu
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Boudreault, Simon, Jean Caron, Mohammed S. Lamhamedi, and Steeve Pepin. "Comparison of Hydraulic and Aeration Properties of Peat Substrates Used to Produce Containerized White Spruce Seedlings (1+0) in Forest Nurseries." Forests 14, no. 4 (2023): 858. http://dx.doi.org/10.3390/f14040858.

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The physical properties of peat substrates from eight tree nurseries were characterized to determine bulk density, air-filled porosity, saturated hydraulic conductivity, pore effectiveness, relative gas diffusivity and chemical properties. There were significant variations among nurseries both in growth of white spruce [Picea glauca (Moench) Voss] seedlings (1+0) and substrate properties. Shoot dry mass and root collar diameter were negatively correlated with air-filled porosity and saturated hydraulic conductivity, whereas root dry mass was positively correlated with bulk density. Seedling gr
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Ghassemi-Golezani, Kazem, Afsaneh Chadordooz-Jeddi, Saeid Zehtab-Salmasi, and Shahin Oustan. "Influence of Seed Size and Aging on Seedling Growth and Field Establishment of Lentil (Lens Culinaris Medik)." Plant Breeding and Seed Science 67, no. 1 (2014): 27–36. http://dx.doi.org/10.2478/v10129-011-0067-1.

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Abstract A sub-sample of lentil (Lens culinaris Medik. cv. Kimia) seeds was kept as bulk (S1) and the other seeds were separated by a sieve with four millimeters diameter. Consequently, three seed lots including bulk (S1), large (S2) and small (S3) seeds were obtained. Seeds of each size were divided into three sub-samples. A sub-sample was kept as control or high vigor seed lot (A1). The other two sub-samples with about 20% moisture content were artificially aged at 40°C for 2 and 4 days (A2 and A3, respectively). These seeds were evaluated in laboratory and field during 2011 and 2012 as fact
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Anzooman, Monia, Jack Christopher, Yash P. Dang, Julian Taylor, Neal W. Menzies, and Peter M. Kopittke. "Chemical and physical influence of sodic soils on the coleoptile length and root growth angle of wheat genotypes." Annals of Botany 124, no. 6 (2019): 1043–52. http://dx.doi.org/10.1093/aob/mcz094.

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Abstract Background and Aims High exchangeable sodium percentage (ESP) and bulk density of sodic soils can reduce seedling emergence. This study examined variation in seedling coleoptile length and seminal root angle of wheat (Triticum aestivum. L) genotypes to determine whether these traits vary between genotypes that differ in their tolerance to sodic soils. Methods Wheat genotypes were grown in three different experiments. First, four wheat genotypes were grown using soils of three ESPs (4, 10 and 17 %) and secondly in soils of three different bulk densities (1.2, 1.4 and 1.5 g cm–3) and ES
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Fu, Bin, Enhui Sun, Cheng Yong, et al. "Binderless board made from composted rice straw as substrate for rice seedlings." BioResources 17, no. 3 (2022): 5000–5010. http://dx.doi.org/10.15376/biores.17.3.5000-5010.

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A binderless board was produced from mechanically dissociated compost straw via suction filtration. The binderless board was applied to replace the topsoil that is currently used predominantly as the substrate for rice seedlings in China. The binderless board showed the highest tensile strength when the rice straw had been composted for 20 days. The bulk density, aeration, and total porosity of the binderless board showed an increasing trend with composting time, due to the increased decomposition of rice straw. The examination of the growth parameters and root morphology of the rice seedlings
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Rosenani, A. B., R. Rovica, P. M. Cheah, and C. T. Lim. "Growth Performance and Nutrient Uptake of Oil Palm Seedling in Prenursery Stage as Influenced by Oil Palm Waste Compost in Growing Media." International Journal of Agronomy 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/6930735.

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The use of composted oil palm wastes in the oil palm nursery as an organic component of growing medium for oil palm seedlings seems promising in sustainable oil palm seedling production. This study was conducted to investigate the effects of six oil palm waste compost rates (0, 20, 40, 60, 80, and 100%) on the growth performance of oil palm seedling and nutrient uptake in the prenursery stage (0–3 months). The addition of oil palm compost reduced the soil bulk density (1.32 to 0.53 g cm−3) and increased soil pH (4.7 to 5.1) of growth media. Oil palm waste compost treatment produced positive gr
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Burton, Philip J., Jesy Simons, Steve Brittingham, Daniel B. Thompson, Darin W. Brooks, and Lawrence R. Walker. "Regeneration dynamics of Great Basin bristlecone pine in southern Nevada." Canadian Journal of Forest Research 50, no. 6 (2020): 589–94. http://dx.doi.org/10.1139/cjfr-2019-0404.

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Great Basin bristlecone pine (Pinus longaeva D.K. Bailey) is an important and long-lived tree species found at high elevations in the interior southwest of the United States, but little is known about its regeneration requirements and response to disturbance. We conducted extensive surveys of seedling regeneration and environmental attributes of regeneration sites in undisturbed forest dominated by this species in the Spring Mountains of southern Nevada. Additional surveys tallied new seedling densities and site attributes 4 years after a wildfire in the same area. Seedlings, saplings, and juv
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Mahmoodzadeh, Homa, Ali Eshaghi, and Tayebeh Gholami. "Physiological Analysis of CuO Bulk and Nanoparticles to Castor (Ricinus communis L.)." Plant Breeding and Seed Science 74, no. 1 (2016): 45–56. http://dx.doi.org/10.1515/plass-2016-0014.

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Abstract The rapidly increasing multifarious use of metallic nanoparticles in technology has necessitated evaluation of their impact on environmental, biotic and human health. The present study investigated the effects of different concentrations of bulk and nanosized CuO on seed germination and seedling growth of Ricinus communis in a randomized completely design with four replications. The experimental treatments included four concentrations of bulk CuO (10, 50, 100 and 500 ppm), four concentrations of nanosized CuO (10, 50, 100 and 500 ppm), and the control without CuO. The results indicate
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Korishettar, Pradeep, S. N. Vasudevan, N. M. Shakuntala, S. R. Doddagoudar, Sharanagouda Hiregoudar, and B. Kisan. "Seed polymer coating with Zn and Fe nanoparticles: An innovative seed quality enhancement technique in pigeonpea." Journal of Applied and Natural Science 8, no. 1 (2016): 445–50. http://dx.doi.org/10.31018/jans.v8i1.814.

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A laboratory study was undertaken to know the effect of seed polymer coating with Zn and Fe nanoparticles (NPs) at different concentration (10, 25, 50, 100, 250, 500, 750 and 1000 ppm) in pigeonpea at Department of Seed Science and Technology, UAS, Raichur. Among the treatments seed polymer coating with Zn NPs at 750 ppm recorded significantly higher seed germination (96.00 %), seedling length (26.63 cm), seedling dry weight (85.00 mg), speed of germination (32.95), field emergence (89.67 %), seedling vigour index (2556), dehydrogenase activity (0.975 OD value) and α-amylase activity (25.67 m
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Dissertations / Theses on the topic "Seedling Bulk"

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Downs, Michael Paul. "Effects of leaf litter on seedling emergence of bull thistle, Cirsium vulgare (Savi) Ten." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq30786.pdf.

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Book chapters on the topic "Seedling Bulk"

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Gatica-Arias, Andrés, and César Vargas-Segura. "Chemical Mutagenesis of Coffee Seeds (Coffea arabica L. var. Catuaí) Using NaN3." In Mutation Breeding in Coffee with Special Reference to Leaf Rust. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-67273-0_13.

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AbstractCoffee (Coffea arabica L.) is one of the most important crops in the world and one of the main export products in several developing countries. Coffee is a perennial crop threatened by multiple, serious diseases and pests. Induced mutagenesis of seeds is widely used for increasing the genetic diversity and improvement of annual seed crops and could equally be applied to Arabica coffee breeding and genetic studies. Here we describe protocols to induce genetic variability in Arabica coffee seeds through mutagenesis using sodium azide (NaN3). Methods for NaN3 chemical toxicity testing and
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Céspedes, Reina, Noel Arrieta, Miguel Barquero, Ana Abdelnour, Nielen Stephan, and Ingelbretch Ivan. "Determination of radiosensitivity of Coffea arabica var. 'Venecia' seeds to gamma-ray irradiation." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0033.

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Abstract Coffee is one of the most commercially available raw materials, being the tropical product with the highest market value in the world. In Costa Rica it is the third most important product for agricultural exports and provides the main income for many families in the country. However, coffee is under threat due to coffee leaf rust disease (CLR). Mutation breeding in coffee is a promising approach to develop new varieties resistant to CLR. As a new technology for coffee, basic tests related to mutation induction need to be done. The plant material used was Coffea arabica var. 'Venecia'
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He, Xiahong, Kuan Yang, Shusheng Zhu, Liwei Guo, and Chen Ye. "Cultivation Practice of Chinese Medicinal Herbs." In Medicinal Plants [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104859.

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An innovative cultivation technique for Chinese medicinal herbs had been practiced in China, which led a new road for medicinal herbs production without input of chemical fertilizer and chemical pesticides. The organic practice was based on the principle of biodiversity for pest control. An example of Panax notoginseng (Burk.) F. H. Chen was chosen for explaining cultivation technology under forest. The key technologies for P. notoginseng cultivation under forest include forest land selection, land tillage, seedling breeding and transplanting, and on-farm organic management. These technologies
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Conference papers on the topic "Seedling Bulk"

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Мухортов, Д. И., and А. В. Антропова. "GROWTH AND DEVELOPMENT OF THE CONTAINERIZED SEEDLINGS OF SCOTS PINE USING THE SUBSTRATES OF VARIOUS BULK DENSITY." In Лесные экосистемы в условиях изменения климата: биологическая продуктивность и дистанционный мониторинг. Crossref, 2019. http://dx.doi.org/10.25686/2675.2019.5.58815.

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В статье изложены результаты работ по изучению агрофизических свойств различных корнезакрывающих субстратов, проанализировано их влияние на рост и развитие сеянцев сосны обыкновенной, выращиваемой в контейнерах в качестве посадочного материала для лесовосстановительных работ. Лесовосстановление посадочным материалом с закрытой корневой системой имеет ряд преимуществ по сравнению с традиционными технологиями. Однако данная технология требует решения некоторых задач с целью оптимизации процессов выращивания сеянцев. Одним из проблемных моментов является выбор оптимальных по своим как агрохимичес
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Reports on the topic "Seedling Bulk"

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Perkins, Dustin. Invasive exotic plant monitoring at Colorado National Monument: 2021 field season. Edited by Alice Wondrak Biel. National Park Service, 2022. http://dx.doi.org/10.36967/2294260.

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Invasive exotic plant (IEP) species are a significant threat to natural ecosystem integrity and biodiversity, and controlling them is a high priority for the National Park Service. The Northern Colorado Plateau Network (NCPN) selected the early detection of IEPs as one of 11 monitoring protocols to be implemented as part of its long-term monitoring program. This report represents work completed at Colorado National Monument during 2021. During monitoring conducted June 9–15, a total of 15 priority IEP species in 395 patches were detected on 53.6 kilometers (33.3 mi) of monitoring routes. An ad
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