Relevant bibliographies by topics / Permanent experimental plots

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Academic literature on the topic 'Permanent experimental plots'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Permanent experimental plots"

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Ratchford, Kevin. "Rice Water Weevil Control, 1986." Insecticide and Acaricide Tests 12, no. 1 (1987): 265. http://dx.doi.org/10.1093/iat/12.1.265.

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Abstract Rice was planted 22 May on loessial silt loam soil at the Macon Ridge Branch of the Northeast Research Station. The experimental design was a randomized complete block design with 4 replications. All plots were sampled for root feeding larvae by taking 3 soil cores (9 cm dia × 10 cm deep) from drills rows, once a week, for 4 weeks after establishing permanent flood. Cores were processed by washing through a #40 mesh sieve and floating the larvae out in a saline solution. Granular insecticides were applied by hand shaker to plots measuring 9 square meters. Preplant treatments were inco
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Gagić-Serdar, Renata, Tomislav Stefanović, Goran Češljar, et al. "Air pollution impact assessment and monitoring, its effects on the forest ecosystems in the territory of the Republic of Serbia in 2015." Sustainable Forestry: Collection, no. 71-72 (2015): 39–61. http://dx.doi.org/10.5937/sustfor1571039g.

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In 2015 research observations of permanent monitoring of forests in the Republic of Serbia on permanent experimental plots were carried out in accordance with the Instructions of the International Cooperative Programme on Forest Condition Monitoring and data were collected for the necessary analyses. Experimental fields (FSP) are systematically arranged in 16x16 km or 4 x 4 km grid systems. Basic parameters evaluated in the plots were: presence of pests, phytopathological changes, as well as of other types and causes of forest damage. The aim of this paper was to correlate these factors that a
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Lebedev, Aleksandr V., Aleksandr V. Gemonov, Sergey N. Volkov, et al. "Features of natural renewal in pine-linden and larch-linden forest stands in Moscow." RUDN Journal of Agronomy and Animal Industries 18, no. 3 (2023): 373–84. http://dx.doi.org/10.22363/2312-797x-2023-18-3-373-384.

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Problems of natural renewal of tree species (pine-linden and larch-linden stands) were studied in the territory of Forest experimental station, Moscow Timiryazev Agricultural Academy. Natural regeneration of tree species is one of the most urgent problems of forestry and forest park management in urban areas. Reforestation refers to complex natural processes that affect all components of biogeocenoses. The purpose of the research was to study natural regeneration in mixed stands in Moscow. Methods and results of field surveys of forest stands in permanent trial plots were described. The forest
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Hébert, Rémi. "Méthodologie pour l'analyse des données forestières historiques : le cas de la forêt expérimentale du Lac Édouard, Québec." Forestry Chronicle 80, no. 4 (2004): 469–72. http://dx.doi.org/10.5558/tfc80469-4.

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Permanent sampling plots in experimental forests have generated large quantities of data over the past decades. Methods used to collect certain of these data have often varied over the course of the sampling. The objective of this study was to develop a process to evaluate sampling differences in historical forest data. The proposed approach is to: (1) examine available data and seek out the missing ones in archives of the concerned organizations; (2) regroup data by inventory periods; (3) search for the sampling methodology in each of the different inventory periods; and (4) evaluate the impa
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D'Eon, Steve. "A retrospective look at 80 years of silvicultural research at Petawawa." Forestry Chronicle 75, no. 3 (1999): 385–88. http://dx.doi.org/10.5558/tfc75385-3.

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Canada's oldest forest research plot was laid out at Petawawa in 1918. Since then, hundreds of researchers have established plots, gathered data, and published results utilizing the Petawawa Research Forest. Many of the projects and plots were designed as long-term studies meant to endure and be re-measured over the decades. Although control plots were utilized, these early experiments were established prior to the benefits of repetition and experimental design. Later experiments were installed with three or more reps and factorial designs strengthening their analytical capabilities. Research
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Way, M. O., and R. G. Wallace. "Control of Rice Water Weevil with Dimilin, 1989." Insecticide and Acaricide Tests 15, no. 1 (1990): 273. http://dx.doi.org/10.1093/iat/15.1.273a.

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Abstract The experiment was conducted at the Texas A&M University Agricultural Research and Extension Center at Beaumont. The experimental design was a randomized complete block with 5 treatments and 4 replicates. Each plot was 6 × 13 ft surrounded by a metal barrier to prevent contamination among plots. Plots were fertilized with urea at 110.5 lb N/acre and broadcast seeded at 100 lb seed/acre 10 May. Plots were flooded 11 May and drained 13 May. Thiobencarb at 4 lb(AI)/acre was applied 16 May. Rice emerged 18 May. Plots were flooded 26 May and drained 28 May. Propanil at 3 lb (AI)/acre a
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Zachara, Tadeusz, and Wojciech Gil. "The damage caused by wind in middle-aged Scots pine stands on permanent thinning experimental plots." Folia Forestalia Polonica 63, no. 4 (2021): 300–307. http://dx.doi.org/10.2478/ffp-2021-0030.

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Abstract In July 2002, the very strong hurricane appeared in northern Poland, which caused destruction of forest cover of area more than 10,000 ha. The permanent thinning research plot in a 53-year-old pine stand located in Myszyniec forest district (150 km north of Warsaw) was lying on the edge of damaged area. The following treatments were tested on this plot: 1) control plot (without thinning); 2) schematic cut in 20-year-old stand, selective thinning to 40 years, then thinning from below; 3) schematic cut in 20-year-old stand, then selective thinning; 4) selective thinning in young stand (
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Tadeusz, Zachara, and Gil Wojciech. "The damage caused by wind in middle-aged Scots pine stands on permanent thinning experimental plots." FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY 63, no. 4 (2021): 300–307. https://doi.org/10.2478/ffp-2021-0030.

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In July 2002, the very strong hurricane appeared in northern Poland, which caused destruction of forest cover of area more than 10,000 ha. The permanent thinning research plot in a 53-year-old pine stand located in Myszyniec forest district (150 km north of Warsaw) was lying on the edge of damaged area. The following treatments were tested on this plot: 1) control plot (without thinning); 2) schematic cut in 20-year-old stand, selective thinning to 40 years, then thinning from below; 3) schematic cut in 20-year-old stand, then selective thinning; 4) selective thinning in young stand (20–
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Podhrázská, J., J. Uhlířová, and S. Hejduk. "Evaluation of crop effects on runoff and washout of soil from the surface of agricultural land." Soil and Water Research 4, No. 4 (2009): 142–48. http://dx.doi.org/10.17221/12/2009-swr.

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Measurements of the runoff intensity (i.e. its volume and amounts of washed out soil particles) were performed on experimental plots with the slope gradient of 5° within the period of 2004–2008. Experimental plots were covered with different types of crops: crops with wide rows (maize, potatoes), no row crops (cereals) and permanent grasslands (both extensively and intensively managed). The main objective of this study was to quantify the effect of individual crops on the reduction of runoff and erosion transport (i.e. washout) of soil from the surface of agricultural land. D
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Beker, Cezary. "Znaczenie stałych powierzchni doświadczalnych dla leśnictwa i ochrony przyrody." Zarządzanie ochroną przyrody w lasach XV (July 31, 2024): 41–46. http://dx.doi.org/10.5604/01.3001.0054.7141.

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Conducting rational forest management, with an emphasis on the protective aspects, necessitates informed breeding and economic decisions. This underscores the need for continuous monitoring of environmental factors affecting tree and stand development, health, structure, and productivity. The most effective way of tracking changes in forest ecosystems is through interdisciplinary research conducted on permanent experimental plots. Current studies on these plots aim to elucidate the impact of habitat and abiotic, biotic and anthropogenic factors on the forest. Given the multifaceted nature of o
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Books on the topic "Permanent experimental plots"

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Szewczyk, Janusz. Rola zaburzeń w kształtowaniu struktury i dynamiki naturalnych lasów bukowo-jodłowo-świerkowych w Karpatach Zachodnich. Publishing House of the University of Agriculture in Krakow, 2018. http://dx.doi.org/10.15576/978-83-66602-35-9.

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The aim of the study was to determine the influence of different disturbances (both natural and anthropogenic) on species composition and stand structure of old-growth mixed mountain forests in the Western Carpathians. These stands are usually dominated by beech, fir and spruce, mixed in different proportions. The tree main species represent different growth strategies, and they compete against each other. The longevity of trees makes the factors influencing the stand structure difficult to identify, even during longitudinal studies conducted on permanent research plots. That is why dendroecol
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Book chapters on the topic "Permanent experimental plots"

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Suding, Katharine N. "Top of the World Collaborations: Lessons from above Treeline." In Long-Term Ecological Research. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199380213.003.0046.

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My involvement at the Niwot Ridge Long-Term Ecological Research (LTER) site began when I was an undergraduate summer research assistant, and it has extended through a postdoctoral fellowship, a tenured professorship, and now a leadership role in the program. I focus on alpine tundra plant diversity, plant–soil interactions, and how environmental changes may influence community dynamics over time and space. Cross-site synthesis work has been one of the most valuable experiences of my career, enabling me to ask more general questions and produce more influential work than I could have done with
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Alexiewicz Wladyslaw and Grygiel Krzysztof. "Linear dielectric relaxation of dipolar, rigid, non-interacting and asymmetric-top molecules in Smoluchowski-Debye approach." In Atomic and Molecular Nonlinear Optics: Theory, Experiment and Computation. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-742-0-228.

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Assuming the low molecular reorientation approximation, the formulae for linear electric polarization induced in liquids composed of rigid, noninteracting, dipolar and asymmetric-top molecules in spherical solvents were derived. The Kalmykov's equation [Phys.Rev., E 65 (021101) 2001] – equivalent to the classical, noninertial Smoluchowski-Debye model of rotational diffusion was applied. In order to highlight the influence of the anisotropy of rotational diffusion tensor components and the orientation of permanent dipole moment of the molecule on the complex linear electric susceptibi
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Dauphin, Gregorio, S. Robbert Gradstein, Noris Salazar Allen, and Clementina Chung. "The Liverworts and Hornworts of Barro Colorado Island." In The First 100 Years of Research on Barro Colorado: Plant and Ecosystem Science. Smithsonian Institution Scholarly Press, 2024. https://doi.org/10.5479/si.26882410.

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The 174 species of bryophytes known for Barro Colorado Island (BCI) include 85 liverworts (Marchantiophyta) and 1 hornwort (Anthocerotophyta), in addition to 92 mosses. Among the liverworts, the family Lejeuneaceae is dominant and accounts for 40% of the entire bryophyte flora, as is typical of wet tropical lowland forests. Most species are widely distributed in the Neotropics, although one species is thus far known only from BCI. Epiphyllous liverworts (liverworts living on leaves) are abundant on BCI and have been the subject of several ecological studies focusing on species distribution, su
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Haridasan, M. "Nutrient Cycling as a Function of Landscape and Biotic Characteristics in the Cerrados of Central Brazil." In The Biogeochemistry of the Amazon Basin. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195114317.003.0008.

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The cerrados of central Brazil have long been designated savannas without sufficient understanding of the structure and functioning of the different vegetation forms in the region. Excessive emphasis on identifying similarities with other savannas in Africa and Australia, and even within South America outside Brazil, prevented researchers from recognizing the cerrados’ special features and interdependence among themselves in the landscape where they occur. The more extensive cerrado sensu stricto on dystrophic soils, and to a lesser extent the gallery forests known locally as matas de galeria
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Conference papers on the topic "Permanent experimental plots"

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Rupsys, Petras. "STOCHASTIC SIMULATION OF SELF-THINNING." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s14.46.

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Understanding the principles of self-thinning forest ecosystems is essential for taking modern management techniques into practice. The spatial distribution of the surviving trees in a stand is influenced by a variety of factors, including tree mortality. In young forests, competition has a major role in determining spatial mortality; in older forests, random changes in the environment have a major role. The dynamics of the number of living and dead trees in the forests of central Lithuania will be addressed in this study. The Gompertz type mixed effect parameters univariate stochastic differe
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Lewin, Eugen, Dragan Kozˇulovic´, and Udo Stark. "Experimental and Numerical Analysis of Hub-Corner Stall in Compressor Cascades." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22704.

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The development of a corner stall has been investigated experimentally and numerically in a rotor hub equivalent compressor cascade operated at increasing loadings (inlet angles). The paper presents some of the experimental and numerical results, including midspan results, contour plots of the total pressure losses, pitchwise averaged total pressure losses and turning angles, flow visualization and, numerically only, visualization of so-called ribbons. These results have been analysed to finally identify an endwall separation vortex, increasing in pitchwise and spanwise direction with increasi
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Yu, Laipu, and Gil Garnier. "Mechanism of Internal Sizing with Alkyl Ketene Dimers: The Role of Vapour Deposition." In The Fundamentals of Papermaking Materials, edited by C. F. Baker. Fundamental Research Committee (FRC), Manchester, 1997. http://dx.doi.org/10.15376/frc.1997.2.1021.

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The role played by AKD vapours during internal sizing was investigated using commercial AKD waxes and model surfaces. The model surfaces consist of cellulose and cellulose acetate films deposited on smooth glass slides. These cellulosic films were exposed to AKD vapours at temperatures ranging from 80 degrees C to 175 degrees C for different periods of time. The extent of sizing was followed by measuring the advancing contact angle of water over the treated surfaces. A simple model, considering both physisorption and chemical reaction, was developed and validated with experimental data. The en
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Titei, Victor, Adrian Vasile Blaj, Andreea Cristina Andreoiu, and Teodor Marusca. "Evaluarea calităţii biomasei de Lolium perenne L. Ca furaj și substrat pentru obținerea biometanului." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.93.

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We studied the biochemical composition, nutritive value of the green mass and prepared hay from Ro-manian cultivars of perennial ryegrass, Lolium perenne L. „Mara” and „Măgura” grown in monoculture on the experimental plot of the National Botanical Garden (Institute) “Alexandru Ciubotaru”, Chisinau, R. Mol-dova. Results revealed that dry matter of harvested green mass contained 98-116 g/kg CP, 299-326 g/kg CF, 71-77 g/kg ash, 329-353 g/kg ADF, 546-593 g/kg NDF, 38-40 g/kg ADL, 291-313 g/kg Cel, 217-240 g/kg HC, with nutritive and energy value 60.9-65.3 % DMD, 60.1-64.8 % ODM, RFV=96-108, 12.12
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Haghshenas, Alireza, and Mohammad Hamedpour. "Modeling Supercritical CO2 and Hydrocarbon Adsorption in Nanopores." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2022. http://dx.doi.org/10.2118/200068-ms.

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Abstract Secure storage of carbon dioxide in underground reservoirs has been an increasingly interesting topic for the researches in the recent decade. The literature includes great works covering the idea of storing CO2 in depleted oil and gas fields or deep saline aquifer. In this study, long-term adsorption of CO2 and hydrocarbon gases is discussed as another opportunity to permanently store greenhouse gases and reduce the amount of the carbon dioxide that enters atmosphere. The simplified local-density (SLD) theory was used for matching the experimental data and providing predictions of hi
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Reports on the topic "Permanent experimental plots"

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Zimmerman, Ephraim, and Staphanie Perles. Vegetation monitoring in relation to white-tailed deer browsing in First State National Historical Park: 2021 summary report. National Park Service, 2023. http://dx.doi.org/10.36967/2299655.

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Baseline information on canopy regeneration and plant community composition is needed in order to better understand white-tailed deer browsing impacts at First State National Historical Park (FRST). In 2021, the Pennsylvania Natural Heritage Program (PNHP) established 20 permanent vegetation monitoring plots following methods developed by the NPS Eastern Rivers and Mountains Network (ERMN) to assess and monitor trends in vegetation (Perles et al. 2014b; Perles et al. 2017). These protocols provided an efficient method of assessing the current status of native and non-native vegetation and deer
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Banin, Amos, Joseph Stucki, and Joel Kostka. Redox Processes in Soils Irrigated with Reclaimed Sewage Effluents: Field Cycles and Basic Mechanism. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695870.bard.

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The overall objectives of the project were: (a) To measure and study in situ the effect of irrigation with reclaimed sewage effluents on redox processes and related chemical dynamics in soil profiles of agricultural fields. (b) To study under controlled conditions the kinetics and equilibrium states of selected processes that affect redox conditions in field soils or that are effected by them. Specifically, these include the effects on heavy metals sorption and desorption, and the effect on pesticide degradation. On the basis of the initial results from the field study, increased effort was de
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