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Journal articles on the topic 'Seedling Bulk'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

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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9

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 Î±-amylase activity (25.67 m

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McConkey, Trevor, Chuck Bulmer, and Paul Sanborn. "Effectiveness of five soil reclamation and reforestation techniques on oil and gas well sites in northeastern British Columbia." Canadian Journal of Soil Science 92, no. 1 (2012): 165–77. http://dx.doi.org/10.4141/cjss2010-019.

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McConkey, T., Bulmer, C. and Sanborn, P. 2012. Effectiveness of five soil reclamation and reforestation techniques on oil and gas well sites in northeastern British Columbia. Can. J. Soil Sci. 92: 165–177. Techniques developed for forestry landing reclamation were applied to five oil and gas well sites in northeastern British Columbia to ameliorate soil and facilitate reforestation. Treatments implemented in fall 2003 and spring 2004 were tillage, wood chip mulch, tillage+wood chip mulch, tillage+incorporated wood chips, brush mats and a control. Lodgepole pine (Pinus contorta var. latifolia)

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12

Corns, Ian G. W. "Compaction by forestry equipment and effects on coniferous seedling growth on four soils in the Alberta foothills." Canadian Journal of Forest Research 18, no. 1 (1988): 75–84. http://dx.doi.org/10.1139/x88-012.

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Soils developed on four parent materials (glaciolacustrine clay, clay loam till, coarse fluvial, and loamy eolian) in west-central Alberta were examined to determine residual effects of logging and use of site-preparation equipment upon soil bulk density. These studies were conducted on sites that were logged during the previous 24 years. Compaction was evident on all soils except those of the Summit association, which were dominantly Brunisolic Gray Luvisols developed on cobbly fluvial deposits of Tertiary age. Compaction was greatest on soils of the Marlboro association, which were dominantl

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13

Simmons, Gerry L., and Phillip E. Pope. "Using VA-Mycorrhizae to Enhance Seedling Root Growth in Compacted Soil." Northern Journal of Applied Forestry 5, no. 1 (1988): 65–68. http://dx.doi.org/10.1093/njaf/5.1.65.

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Abstract A greenhouse study was conducted to determine if the root growth of yellow-poplar and sweetgum seedlings grown in compacted soil could be enhanced by inoculating the seedlings with the vesicular-arbuscular mycorrhizal fungi Glomus macrocarpum or G. fasciculatum. Root growth of both tree species was significantly reduced as bulk density increased. Inoculated yellow-poplar seedlings had greater root weight at each bulk density than noninoculated seedlings. Root length was not significantly influenced by mycorrhizal treatments at higher bulk densities, and fibrosity responses to mycorrhi

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Vance, Wendy H., Richard W. Bell, and Chris Johansen. "Physical Conditions That Limit Chickpea Root Growth and Emergence in Heavy-Textured Soil." Seeds 3, no. 1 (2023): 26–39. http://dx.doi.org/10.3390/seeds3010003.

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The tillage method determines several soil physical parameters that affect the emergence of post-rice chickpea (Cicer arietinum L.) in the Indo-Gangetic Plain of South Asia. Mechanised row-sowing with minimum soil disturbance and crop residue retention in medium-to-heavy-textured soils will alter the seedbed when compared to that prepared after traditional full tillage and broadcast sowing. Whilst minimum soil disturbance and timely sowing may alleviate the soil water constraint to crop establishment, other soil physical properties such as soil strength, bulk density, and aggregate size may st

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15

Slay, J. Melinda, B. G. Lockaby, J. C. Adams, and C. G. Vidrine. "Effects of Site Preparation on Soil Physical Properties, Growth of Loblolly Pine, and Competing Vegetation." Southern Journal of Applied Forestry 11, no. 2 (1987): 83–86. http://dx.doi.org/10.1093/sjaf/11.2.83.

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Abstract Competing vegetation, seedling survival, and growth of loblolly pine (Pinus taeda L.) were evaluated one year following four site-preparation techniques in north Louisiana. The treatments were chop and burn, windrow, fuelwood harvest, and fuelwood harvest followed by a herbicide. Physicalsoil properties were evaluated before and after treatment application. The study was designed as a randomized complete block and was installed on a Gore silt loam (Vertic Paleudalf) soil. Windrowing significantly increased surface bulk densities. Fuelwood had significantly higher bulk densityvalues fo

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Thies, Walter G., Earl E. Nelson, and Darlene Zabowski. "Removal of stumps from a Phellinusweirii infested site and fertilization affect mortality and growth of planted Douglas-fir." Canadian Journal of Forest Research 24, no. 2 (1994): 234–39. http://dx.doi.org/10.1139/x94-034.

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A 2 × 4 set of factorial treatments of stump removal in combination with nitrogen fertilization was applied to 0.04-ha circular plots within a clearcut on the west slope of the Cascade Range (44°21′N, 122°39′W). Treatments included stump removal (either all stumps removed or the plot left undisturbed) and broadcast fertilization with ammonium nitrate (0, 336, 672, or 1345 kg N•ha−1). Diameter at breast height and height of Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) seedlings, planted 4 months after treatment, were recorded five and nine seasons after outplanting. Soil bulk density in th

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Page-Dumroese, Deborah S., Alan E. Harvey, Martin F. Jurgensen, and Michael P. Amaranthus. "Impacts of soil compaction and tree stump removal on soil properties and outplanted seedlings in northern Idaho, USA." Canadian Journal of Soil Science 78, no. 1 (1998): 29–34. http://dx.doi.org/10.4141/s97-022.

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Intensive timber harvesting and site preparation are becoming more common as demand for timber-based products increases. On some harvested sites in the western United Staes of America and Canada, stump removal is used to ameliorate root disease problems. Soil compaction and nutrient loss could become a problem on some sites after harvesting, site preparation, or stump removal. In a non-replicated, randomized block experiment, two levels of soil compaction (none and severe) and a stump extraction treatment were examined on an ash-cap soil in northern Idaho. These treatments were planted with Do

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Kormanek, Mariusz, Jacek Banach, and Michał Ryba. "Influence of substrate compaction in nursery containers on the growth of Scots pine (Pinus sylvestris L.) seedlings." Forest Research Papers 74 (4) (December 1, 2013): 307–14. https://doi.org/10.2478/frp-2013-0029.

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The paper presents research on influence of nursery soil compaction, composed of peat (90%) and perlite (10%), on the growth of seedlings of <em>Pinus sylvestris</em> grown in containers. Polyethylene nursery are containers used for the seedling production. These containers were filled with three different densities of the peat and perlite substrate (0.3, 0.5 and 0.7 g·cm<sup>-3</sup>). During the experiment, nursery containers were initially placed in a plastic tent for a period of two months, and then for three months further months in an open nursery field. Growth measurements for in

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Esper Neto, Michel, David W. Britt, Lorena Moreira Lara, et al. "Initial Development of Corn Seedlings after Seed Priming with Nanoscale Synthetic Zinc Oxide." Agronomy 10, no. 2 (2020): 307. http://dx.doi.org/10.3390/agronomy10020307.

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Nanofertilizers are increasingly explored for sustainable micronutrient delivery in agriculture. Pre-treating seeds with nanofertilizers prior to planting (i.e., seed priming) reduces concerns about nanoparticle (NP) fertilizer non-target dispersion; however, priming formulations and concentrations must be carefully selected to avoid germination inhibition and toxicity. Here we investigate changes in corn seed germination and seedling development after seed priming with ZnO NPs, ZnO bulk and ZnCl2. To evaluate the effects sterile seeds were immersed in priming solutions of 0, 20, 40, 80, 160 m

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Farooqi, Zia-Ur-Rehman, Muhammad Zafar Iqbal, Muhammad Kabir, Muhammad Shafiq, and Mohammad Athar. "Seedling growth of Adenanthera pavonina L. in polluted soils of Karachi railway track." Journal of Applied Sciences and Environmental Management 20, no. 2 (2016): 463–69. http://dx.doi.org/10.4314/jasem.v20i2.29.

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The seedling growth performance of Adenanthera pavonina L. in polluted soils of different railway tracks viz. Karachi Cantt. Station, Malir Halt, Malir 15, Landhi Junction and University Campus (control) was studied under in pots under natural field conditions. The results showed that the root, shoot and seedling size, number of leaves, plant cover, leaf weight ratio of A. pavonina seedlings were significantly (p<0.05) reduced in Karachi Cantt. Station soil as compared to University Campus soil. Similarly, shoot, root and seedling size, plant cover, seedling dry weight of A. pavonina were s

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Zahreddine, Hala G., Daniel K. Struve, and Martin Quigley. "Growing Pinus nigra Seedlings in Spinout™-Treated Containers Reduces Root Malformation and Increases Growth After Transplanting." Journal of Environmental Horticulture 22, no. 4 (2004): 176–82. http://dx.doi.org/10.24266/0738-2898-22.4.176.

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Abstract Root malformation originating during container production causes mechanical instability and plant mortality when those seedlings are transplanted. We investigated the effects of chemical (interior container surfaces treated with Spinout™ or not) or mechanical container modifications (vertical slits or no vertical slits), and the effects of substrate bulk density on the growth of Pinus nigra (Arnold) seedlings during plug production and after transplanting. Seedlings grown in compacted substrate had the greatest shoot, root and total plant dry weights five months after seeding in plug

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Herrera-Foessel, S. A., R. P. Singh, C. X. Lan, et al. "Yr60, a Gene Conferring Moderate Resistance to Stripe Rust in Wheat." Plant Disease 99, no. 4 (2015): 508–11. http://dx.doi.org/10.1094/pdis-08-14-0796-re.

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Stripe rust, caused by Puccinia striiformis f. sp. tritici W., is a devastating disease of wheat worldwide. A new stripe rust resistance gene with moderate seedling and adult plant resistance was mapped using an F5 recombinant inbred line (RIL) population developed from the cross of the resistant parent ‘Almop’ with the susceptible parent ‘Avocet’. The parents and RILs were phenotyped for seedling stripe rust response variation in a greenhouse and in field trials at Toluca, Mexico for 2 years. Almop showed moderate levels of resistance at both seedling and adult plant stages compared with the

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Page-Dumroese, Deborah S., Martin F. Jurgensen, Alan E. Harvey, Russell T. Graham, and Jonalea R. Tonn. "Soil Changes and Tree Seedling Response Associated with Site Preparation in Northern Idaho." Western Journal of Applied Forestry 12, no. 3 (1997): 81–88. http://dx.doi.org/10.1093/wjaf/12.3.81.

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Abstract Conifer regeneration in western North America is often hampered by low soil moisture, poor soil nutrient status, and competing vegetation. Three site preparation techniques were evaluated at two different elevations in northern Idaho as potential remedies for these problems: (1) soil mounds without control of competing vegetation, (2) soil mounds with herbicidal control of competing vegetation, and (3) scalping (removal of soil surface organic horizons and mineral topsoil). Treatments were evaluated for effects on soil nutrient levels, soil physical properties, and the growth of Dougl

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Powers, H. R., and J. F. Kraus. "A Comparison of Fusiform Rust-Resistant Loblolly Pine Seed Sources." Southern Journal of Applied Forestry 10, no. 4 (1986): 230–32. http://dx.doi.org/10.1093/sjaf/10.4.230.

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Abstract A greenhouse inoculation study compared resistance to fusiform rust (Cronartium quercuum (Berk.) Miyabe ex Shirai f. sp. fusiforme) of loblolly pine (Pinus taeda L.) seedlings derived from bulk seed produced in 4 rust-resistant seed orchards, 1 rust-resistant geographic seed source (Livingston Parish, LA), and a control treatment of improved loblolly from a first-generation production orchard. The rust-resistant orchards included 2 forest industry orchards developed from the most rust-resistant clones available within a tree improvement cooperative (1st generation), and both a clonal

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Dumroese, R. Kasten, and David L. Wenny. "Sowing Sized Seed of Western White Pine in a Containerized Nursery." Western Journal of Applied Forestry 2, no. 4 (1987): 128–30. http://dx.doi.org/10.1093/wjaf/2.4.128.

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Abstract Sorting seed by size has been reported as a potential method to improve seedling uniformity and increase crop yields. Seeds of rust-resistant western white pine (Pinus monticola Dougl. ex D. Don), harvested in 1983 at the Moscow, Idaho, White Pine Breeding Arboretum, were separated by screens into diameter classes. Seedlings from each size class were grown in containers in greenhouses. Differences in seed diameter were associated with differences in germination capacity and germination energy (P < 0. 01). Seed diameter was unrelated to final height and stem diameter of seedlings (p

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Jiang, Dong, Zhuohuai Guan, Lan Jiang, et al. "Experimental Study on the Soil Conditions for Rapeseed Transplanting for Blanket Seedling Combined Transplanter." Agriculture 14, no. 2 (2024): 310. http://dx.doi.org/10.3390/agriculture14020310.

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To address the lack of available information on the soil physical conditions suitable for rapeseed blanket-shaped seedling transplanting, as well as the lack of protocols for the optimisation of soil tillage components in the utilisation of an integrated rapeseed blanket seedling combined transplanter, the physical parameters of different soil conditions and their impact on the growth of rapeseed after transplanting were investigated in this study. The aim was to determine the suitable soil physical parameters for rapeseed blanket-shaped seedling transplanting. First, the changes in soil firmn

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Pająk, Katarzyna, Mariusz Kormanek, Stanisław Małek, and Jacek Banach. "Effect of Peat-Perlite Substrate Compaction in Hiko V265 Trays on the Growth of Fagus sylvatica L. Seedlings." Sustainability 14, no. 8 (2022): 4585. http://dx.doi.org/10.3390/su14084585.

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The growth of seedlings depends on many factors: the availability of light, water, and minerals, as well as the type and physical properties of the substrate, including its density. The effect of different levels of compaction of the peat-perlite substrate on the growth of European beech (Fagus sylvatica L.) seedlings in container nursery has not been investigated so far. In presented research, nine variants of peat-perlite substrate compaction (in three replications), with the actual bulk density ranging between 0.196 and 0.317 g·cm−3, were prepared in Hiko V265 nursery trays. European beech

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El-Kassaby, Y. A., and A. J. Thomson. "Parental Rank Changes Associated with Seed Biology and Nursery Practices in Douglas-Fir." Forest Science 42, no. 2 (1996): 228–35. http://dx.doi.org/10.1093/forestscience/42.2.228.

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Abstract The impact of container-nursery management practices on the genetic composition of seedling crops was evaluated in an experimental study designed to determine the cumulative effects of: (1) differences in parental reproductive output in bulk seedlots, (2) parental variation in germination parameters (percent and speed), and (3)the interaction of these parameters with container-nursery practices of thinning and culling, and their effect on the genetic representation of parents in the resultant seedling crops. Results from the experimental study were compared to predictions of a stochas

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Grzelczak, Zbyszko F., Sadequr Rahman, Theresa D. Kennedy, and Byron G. Lane. "Germin. Compartmentation of the protein, its translatable mRNA, and its biosynthesis among roots, stems, and leaves of wheat seedlings." Canadian Journal of Biochemistry and Cell Biology 63, no. 9 (1985): 1003–13. http://dx.doi.org/10.1139/o85-125.

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(1) Onset of growth during germination of the isolated wheat embryo is allied with the emergence of a protein we have called germin. This study was undertaken to learn if germin is present and synthesized in the root, stem, and leaf during postgerminative growth of the wheat seedling.(2) Seedlings were grown from mature wheat grains on water-soaked filter paper and organs excised at various times were pulse labeled with [35S]methionine. Germin is synthesized in all organs at all times between 1.5 and 7 days.(3) During early seedling development (1.5 days), the fraction of [35S]methionine incor

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Karunananda, Dayani, Harshani Chandrasiri, Nishantha Kumara, and Ajith Gunasena. "SUCCESSFUL INCORPORATION OF CRUSHED PINE (PINUS CARIBAEA) LEAVES INTO COCONUT COIR DUST NURSERY MEDIUM FOR VEGETABLE SEEDLING PRODUCTION." JOURNAL OF WASTES AND BIOMASS MANAGEMENT 3, no. 2 (2021): 44–48. http://dx.doi.org/10.26480/jwbm.02.2021.44.48.

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Different soilless media are used in vegetable nurseries for high quality seedling production. In the current research, potential of incorporating crushed pine leaves (CPL) into coconut coir dust (CCD) as an economical and sustainable media alternative for vegetable nursery trays, was investigated. CPL was used as mixtures with CCD at the ratios of 4:0, 3:1, 2:2, 1:3 and 0:4 (Treatment 1-5). Suitability of each treatment as soilless medium was investigated by evaluating their physical and chemical properties as well as biodegradability. Growth performances of the seedlings grown in the treatme

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Maynard, D. G., and J. P. Senyk. "Soil disturbance and five-year tree growth in a montane alternative silvicultural systems (MASS) trial." Forestry Chronicle 80, no. 5 (2004): 573–82. http://dx.doi.org/10.5558/tfc80573-5.

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Ground-based forestry practices can negatively affect soil productivity by altering the physical, chemical, and biological properties of soil. The effect of soil disturbance on soil properties and tree growth was evaluated following single-pass hydraulic excavator and multiple-pass combined excavator and flexible track grapple skidder forwarding in four silvicultural systems treatments: Clearcut (CC), Green Tree Retention (GT), Patch Cut (PC), and Uniform Shelterwood (SW). The effectiveness of an excavator soil-rehabilitation technique (tilling) in decompacting skidtrails (i.e., reducing soil

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Masaka, Johnson, Noel Chimwanda, Ignatius Chagonda, and Misheck Chandiposha. "A Comparative Evaluation of the Physical and Chemical Characteristics of Composted Tea Tree (Melaleuca alternifoliaL.) with Pine Bark Growing Media in Tobacco (Nicotiana tabucumL.) Seedling Production." Advances in Agriculture 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/5650290.

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The search for suitable organic growing media substitutes for pine bark based media combinations has been prompted by concerns over high costs and lack of availability to smallholder farmers coupled with increasing demand for soilless media in Zimbabwe. A trial was conducted for 12 weeks to investigate the suitability of tea tree compost-based substrates for tobacco seedling production as a substitute of the traditional pine bark growing media. The use of composted tea tree growing media in float trays significantly (p<0.05) increases the bulk density of the media by 23–59% when compared wi

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Ayodeji A., Ogunwole,, Agele, Samuel O., and Adejoro, Solomon A. "Drought Stress Modulation by Biochar and Effects on Soil and Performance of Seedlings of Urban Forest Tree Species." International Journal of Plant & Soil Science 35, no. 18 (2023): 282–301. http://dx.doi.org/10.9734/ijpss/2023/v35i183292.

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Aims: This study was designed to examine the effects of watering regime and biochar on soil properties and performance of seedlings of urban forest tree species (UFTS) in the nursery. Study Design: The experiment was a 5 by 3 by 2 factorial scheme involving urban forest tree species, watering regimes and biochar amendment or not. Place and Duration of Study: seedlings of five UFTS were raised in the Nursery and Screenhouse of Wesley University, Ondo, a rainforest zone of Nigeria. Methodology: Seedlings of five Urban Forest Tree Species (UFTS) were subjected to watering at 80, 60 and 35% field

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Arnott, J. T., W. W. Carr, and A. C. Waines. "Establishing Forest Cover on Winter Landings in the Central Interior of British Columbia." Forestry Chronicle 64, no. 2 (1988): 121–26. http://dx.doi.org/10.5558/tfc64121-2.

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In 1979, 1-0 container-grown and 2-0 bareroot lodgopole pine, Pinus contorta var latifolia (Engelm.), seedlings were planted on 20 winter landings using conventional and soil-auger planting techniques. Seedling survival and growth were assessed at the end of the first and fifth growing seasons and compared with the growth of naturally regenerated lodgepole pine seedlings on the adjacent cutover areas. Foliar nutrient content, soil bulk density, and soil nutrient pool were also compared between the two areas.Auger planting significantly improved early survival of bareroot stock but had no effec

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Zarehaghi, D., M. R. Neyshabouri, M. Gorji, R. Hassanpour, and A. Bandehagh. "Growth and development of pistachio seedling root at different levels of soil moisture and compaction in greenhouse conditions." Soil and Water Research 12, No. 1 (2017): 60–66. http://dx.doi.org/10.17221/146/2015-swr.

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Soil moisture and compaction are important factors for growth and development of plant root. This study was conducted as a nested design with two factors and three replications to investigate the behaviour of pistachio seedling roots at different levels of soil compaction and moisture in a sandy loam soil under greenhouse conditions. The first factor was soil compaction at four levels of bulk density (1.35, 1.5, 1.65, and 1.8 g/cm<sup>3</sup>). The second factor was soil moisture with six levels ranging 0.07–0.49 cm<sup>3</sup>/cm<sup>3</sup>. Moisture monit

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Picchio, Rodolfo, Farzam Tavankar, Mehrdad Nikooy, Giuseppe Pignatti, Rachele Venanzi, and Angela Lo Monaco. "Morphology, Growth and Architecture Response of Beech (Fagus orientalis Lipsky) and Maple Tree (Acer velutinum Boiss.) Seedlings to Soil Compaction Stress Caused by Mechanized Logging Operations." Forests 10, no. 9 (2019): 771. http://dx.doi.org/10.3390/f10090771.

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The Caspian forests of Iran were monitored and evaluated for forest natural regeneration after logging activities for more than a decade. This large area has a substantial ecological, environmental and socio-economic importance. Ground based skidding is the most common logging method in these forests and soil compaction is the most critical consequence of this method. One of the current main topics and important emerging issue in forest research of the last decade are discussed in this study. Soil compaction has major influences on growth and/or mortality rates of forest seedlings. This study

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Webber III, Charles L., Paul M. White Jr, Douglas J. Spaunhorst, Isabel M. Lima, and Eric C. Petrie. "Sugarcane Biochar as an Amendment for Greenhouse Growing Media for the Production of Cucurbit Seedlings." Journal of Agricultural Science 10, no. 2 (2018): 104. http://dx.doi.org/10.5539/jas.v10n2p104.

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Louisiana sugarcane farmers in 2016 harvested 11.7 million Mg millable sugarcane from 163,000 ha, producing 1.47 million Mg of raw sugar and an estimated 3.5 million Mg of bagasse. Even though Louisiana sugar mills use 80 to 90% of the bagasse for fuel production, another 350,000 to 700,000 Mg of bagasse accumulates each year. The conversion of the excess bagasse into biochar is an excellent option with numerous uses. Research was conducted to determine the impact of sugarcane biochar as an amendment to soilless planting media for the production of cucurbit seedlings. Two biochars were combine

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Moreno, J. M., E. Zuazua, B. Pérez, B. Luna, A. Velasco, and V. Resco de Dios. "Rainfall patterns after fire differentially affect the recruitment of three Mediterranean shrubs." Biogeosciences Discussions 8, no. 3 (2011): 5761–86. http://dx.doi.org/10.5194/bgd-8-5761-2011.

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Abstract. In fire-prone environments, the "event-dependent hypothesis" states that plant population changes are driven by the unique set of conditions of a fire (e.g., fire season, climate). Climate variability, in particular changes in rainfall patterns, can be most important for seeder species, since they must regenerate after fire from seeds, and for Mediterranean shrublands, given the high yearly variability of rainfall in these ecosystems. Yet, the role of rainfall variability and its interaction with fire characteristics (e.g., fire season) on plant populations has received little attent

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Moreno, J. M., E. Zuazua, B. Pérez, B. Luna, A. Velasco, and V. Resco de Dios. "Rainfall patterns after fire differentially affect the recruitment of three Mediterranean shrubs." Biogeosciences 8, no. 12 (2011): 3721–32. http://dx.doi.org/10.5194/bg-8-3721-2011.

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Abstract. In fire-prone environments, the "event-dependent hypothesis" states that plant population changes are driven by the unique set of conditions of a fire (e.g. fire season, climate). Climate variability, in particular changes in rainfall patterns, can be most important for seeder species, since they regenerate after fire from seeds, and for Mediterranean shrublands, given the high yearly variability of rainfall in these ecosystems. Yet, the role of rainfall variability and its interaction with fire characteristics (e.g. fire season) on plant populations has received little attention. He

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Lilieholm, R. J., L. S. Davis, R. C. Heald, and S. P. Holmen. "Effects of Single Tree Selection Harvests on Stand Structure, Species Composition, and Understory Tree Growth in a Sierra Mixed Conifer Forest." Western Journal of Applied Forestry 5, no. 2 (1990): 43–47. http://dx.doi.org/10.1093/wjaf/5.2.43.

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Abstract After 20-28 years of single tree selection harvests in initially irregular even-aged stands, stand structure is approaching a target uneven-aged diameter distribution. Seedling stocking in managed stands is nearly three times greater than that of unmanaged stands. Although shade-tolerant species comprise the bulk of most size classes in both managed and unmanaged stands, selection harvests have resulted in adequate quantities of seedlings from all five conifer species, including pines. In managed stands, current small-tree stocking and rates of growth appear adequate to sustain single

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LUCENA, Leandro Ricardo Rodrigues de, Vicente José Laamon Pinto SIMÕES, Cinara Wanderléa Felix BEZERRA, José Lypson Pinto Simões IZIDRO, Marcondes Sá SOUZA, and Maurício Luiz de Mello Vieira LEITE. "GERMINATION RATE OF PENNISETUM GLAUCUM SEEDLING IN FUCTION OF SALINE STRESS, GROWTH AND BIOMASS OF AERIAL PART AND ROOT." REVISTA BRASILEIRA DE BIOMETRIA 37, no. 4 (2019): 481. http://dx.doi.org/10.28951/rbb.v37i4.420.

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Millet is an annual cycle plant, with C4 metabolism, tolerant to water deficit, and it is cultivated in regions with scarcity of rain. The objective was to evaluate the germination of the millet seedling in function of saline stress, growth and biomass of the aerial part and the root system. The experiment was performed in a completely randomized design, with four treatments and five replicates, with the unit being represented by seeds of millet. The treatments were constituted by solutions with addition of NaCl corresponding to 2.337, 4.674 and 7.011 g/L, respectively for the electrical condu

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Leon, Ramon G., and Micheal D. K. Owen. "Artificial and natural seed banks differ in seedling emergence patterns." Weed Science 52, no. 4 (2004): 531–37. http://dx.doi.org/10.1614/ws-03-048r2.

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Artificial weed seed banks are practical for studying seed bank depletion and weed seedling emergence because the number, depth, and species composition of seed banks can be managed. However, no studies have determined whether artificial seed banks are representative of natural seed banks. We compared the emergence of velvetleaf, giant foxtail, and common waterhemp in a natural seed bank, an artificial seed bank with stratified seeds, and an artificial seed bank with nonstratified seeds. Velvetleaf seedling emergence was higher in the nonstratified seed bank in 2001, but no differences were ob

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Frantz, Jonathan M., Cary A. Mitchell, and Jay Frick. "A Solid-matrix, Liquid Hybrid Hydroponic System for Establishing Small-seeded Crop Species." HortTechnology 9, no. 4 (1999): 668–71. http://dx.doi.org/10.21273/horttech.9.4.668.

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A solid-matrix-over-liquid (hybrid) growth system was developed for direct sowing of small-seeded crop species into hydroponic culture and compared for performance with a standard solid-matrix, capillary-wick hydroponic system. Seeds were sown directly onto a 3-cm (1.2-inch) deep soilless seed bed occupying 0.147 m2 (1.582 ft2) within a tray. The planted seed bed was moistened by wicking up nutrient solution through polyester wicking material from a 7.0-L (6.6-qt) reservoir just below the matrix seed bed. The hybrid system successfully grew dense [435 plants/m2 (40.4 plants/ft2)], uniform cano

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Fahrizal, Fahrizal, Rusli Anwar, Jamaluddin, and Muhamad Yazid Bustomi. "Growth of Rubber Seeds (Hevea brasiliensis Muell.Arg) from Sleeping Eye Stum by Applying Organic Fertilizer Bulk and Liquid Herbal Waste." Buletin Loupe 20, no. 01 (2024): 64–73. http://dx.doi.org/10.51967/buletinloupe.v20i01.3066.

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The organic fertilizer derived from herbal medicine waste in both bulk and liquid form is rich in macro and micro nutrients as well as decomposing microbes and probiotic bacteria needed to improve soil chemical properties. These fertilisers can be used to obtain better growth of rubber seedlings, especially rubber seedlings of sleeping eye origin. The objectives of this study was(1) to determine the effect of organic fertilizer and liquid bulk herbs Against Waste growth and (2) to know nutrient uptake of N, P, and K seedling stum Sleep eye. The study was conducted in a 4 x 3 factorial experime

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Tavankar, Farzam, Rodolfo Picchio, Mehrdad Nikooy, et al. "Soil Natural Recovery Process and Fagus orientalis Lipsky Seedling Growth after Timber Extraction by Wheeled Skidder." Land 10, no. 2 (2021): 113. http://dx.doi.org/10.3390/land10020113.

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The growth and quality of natural seedlings are important goals of forest management in uneven-aged high stands. In this study, the recovery process of the physical and chemical properties of soil, as well as growth variables of beech seedlings on the skid trails after skidding operations in three time periods (10, 20, and 30 years) were investigated in the Hyrcanian forests of Iran. Results revealed that the soil chemical properties (organic C, total N, and pH) were fully recovered after 20 years, while soil physical properties (bulk density, porosity, and penetration resistance) were not yet

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Webber III, Charles L., Paul M. White Jr, Douglas J. Spaunhorst, and Eric C. Petrie. "Impact of Sugarcane Bagasse Ash as an Amendment on the Physical Properties, Nutrient Content and Seedling Growth of a Certified Organic Greenhouse Growing Media." Journal of Agricultural Science 9, no. 7 (2017): 1. http://dx.doi.org/10.5539/jas.v9n7p1.

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Sugarcane bagasse is the fibrous material remaining after removing the sucrose, water, and other impurities (filter mud) from the millable sugarcane. Louisiana sugarcane mills use a portion of the sugarcane bagasse to produce steam power to run equipment within the mill and/or as a boiler fuel for the clarification, evaporation, and crystallization processes. Sugarcane bagasse ash (SBA) is a by-product of the thermal conversion of the sugarcane bagasse. The purpose of this research was to investigate the use of SBA as an amendment to soilless planting media for the production of vegetable seed

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Ünal, H., H. C. Alpsoy, and A. Ayhan. "Effect of the moisture content on the physical properties of bitter gourd seed." International Agrophysics 27, no. 4 (2013): 455–61. http://dx.doi.org/10.2478/intag-2013-0016.

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Abstract Some physical and germination properties of bitter gourd seed were determined in a moisture content range of 9.3-32.1% d.b. For this moisture, the average length, width, and thickness of seed increased by 3.68, 4.07, and 4.56%, respectively. The geometric properties increased with increasing moisture content. The bulk density and rupture force decreased while thousand seed mass, true density, porosity, terminal velocity and static coefficient of friction increased with increasing moisture content. At all moisture contents, the maximum friction was offered by rubber, followed by plywoo

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Xi, Qin, Wenhao Lai, Youyuan Cui, Hailong Wu, and Tingning Zhao. "Effect of Yeast Extract on Seedling Growth Promotion and Soil Improvement in Afforestation in a Semiarid Chestnut Soil Area." Forests 10, no. 1 (2019): 76. http://dx.doi.org/10.3390/f10010076.

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Yeast extract, which is environmentally friendly, nutritious, and convenient to use, has advantages over common plant growth regulators and soil conditioners. It is worth verifying the effect of the application of yeast extract to afforestation in a semiarid chestnut soil area. This study was conducted through a wild field afforestation experiment in Inner Mongolia, northern China. We designed an orthogonal experiment of 25 treatments with 30 repetitions on Pinus sylvestris(Pinus sylvestris var. mongolica Litv.) sand Armeniaca sibirica（Armeniaca sibirica (L.) Lam）. Three factors with different

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Korishettar, Pradeep, S. N. Vasudevan, N. M. Shakuntala, S. R. Doddagoudar, Sharanagouda Hiregoudar, and B. Kisan. "Influence of seed polymer coating with Zn and Fe nanoparticles on storage potential of pigeonpea seeds under ambient conditions." Journal of Applied and Natural Science 9, no. 1 (2017): 186–91. http://dx.doi.org/10.31018/jans.v9i1.1169.

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Present laboratory experiment was conducted with an objective to know the effect of seed polymer coat-ing with Zn and Fe nanoparticles (NPs) in comparison to their bulk forms on storage potential of pigeonpea seeds. Results revealed that seed polymer coating with Zn and Fe NPs had significant effect on storability of pigeonpea seeds. Among the treatments Zn NPs at 750 ppm was found to be superior in all the studied parameters viz., seed germination (96.00, 88.67 and 81.67 %), seedling length (25.67, 22.57 and 18.60 cm), seedling dry weight (85, 81.45 and 78. 45 mg), field emergence (89.67, 77.

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Biradar, Santosh, T. K. Nagarathna, and H. G. Praveen. "Nano-priming with zinc and boron enhances seed germination and seedling vigour in sunflower (Helianthus annuus L.)." Environment and Ecology 41, no. 3D (2023): 2068–79. http://dx.doi.org/10.60151/envec/pzgh6062.

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Nanotechnology is a broad and interdisciplinary area of research and development activity that has been growing at a rapid pace worldwide in the past few years. Recent manufacturing advancements have led to the fabrication of nanoparticles of different sizes and shapes. The new dimension in improving nutrient use efficiency is the use of nanoparticles which are used extensively in a wide range of sectors. Most investigations so far have focused on cereals and a very few studies have been done in sunflower. Hence, an attempt was done to standardize the concentration and soaking period by treati

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