Relevant bibliographies by topics / Plant nutrient ratios

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Plant nutrient ratios'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Plant nutrient ratios"

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Parent, Léon Etienne. "Compositional and Machine Learning Tools to Model Plant Nutrition: Overview and Perspectives." Horticulturae 11, no. 2 (2025): 161. https://doi.org/10.3390/horticulturae11020161.

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The ceteris paribus assumption that all features are equal except the one(s) being examined limits the reliability of nutrient diagnosis and fertilizer recommendations. The objective is to review machine learning (ML) and compositional data analysis (CoDa) tools to make nutrient management feature specific. The average accuracy of the ML methods was 84% across the crops. The additive and orthogonal log ratios of CoDa reduce a D-parts soil composition to D-1 variables, alleviating redundancy in the predictive ML models. Using a Brazilian onion (Allium cepa) database, the combined CoDa and ML me
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Parent, Léon-Étienne. "Diagnosis of the nutrient compositional space of fruit crops." Revista Brasileira de Fruticultura 33, no. 1 (2011): 321–34. http://dx.doi.org/10.1590/s0100-29452011000100041.

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Tissue analysis is a useful tool for the nutrient management of fruit orchards. The mineral composition of diagnostic tissues expressed as nutrient concentration on a dry weight basis has long been used to assess the status of 'pure' nutrients. When nutrients are mixed and interact in plant tissues, their proportions or concentrations change relatively to each other as a result of synergism, antagonism, or neutrality, hence producing resonance within the closed space of tissue composition. Ternary diagrams and nutrient ratios are early representations of interacting nutrients in the compositio
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Ali, Ashfaq, Majid Hussain, Saqib Ali, et al. "Ecological Stoichiometry in Pinus massoniana L. Plantation: Increasing Nutrient Limitation in a 48-Year Chronosequence." Forests 13, no. 3 (2022): 469. http://dx.doi.org/10.3390/f13030469.

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Stoichiometric ratios of carbon (C), nitrogen (N), and phosphorus (P) are considered indicators of nutrient status and ultimate ecosystem health. A detailed investigation of these elements in the leaves, branches, forest layer vegetation and soil, depending on stand age, was carried out. We investigated the effects of stand age (9-, 18-, 28-, and 48-year) on the aboveground plant parts (leaf, branch, herb, shrub, plant litter) and belowground pools (soil, roots) of P. massoniana plantations. The CNP stoichiometry of trees was affected by stand age. Mean N content in the aboveground parts in th
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Gao, Jie, Jiangfeng Wang, and Yanhong Li. "Effects of Soil Nutrients on Plant Nutrient Traits in Natural Pinus tabuliformis Forests." Plants 12, no. 4 (2023): 735. http://dx.doi.org/10.3390/plants12040735.

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In light of global warming, the interaction between plant nutrient traits and soil nutrients is still unclear. Plant nutrient traits (e.g., N and P) and their stoichiometric relationships (N/P ratio) are essential for plant growth and reproduction. However, the specific role of soil nutrients in driving variation in plant nutrient traits remains poorly understood. Fifty natural Pinus tabuliformis forests were used as the research object to clarify the interaction between plant nutrient traits and soil nutrients. We show that: (1) The Nmass, Pmass and N/P ratios of leaves were significantly hig
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da Conceição de Matos, Christiano, Rafael da Silva Teixeira, Ivo Ribeiro da Silva, Maurício Dutra Costa, and Antonio Alberto da Silva. "Interspecific competition changes nutrient : nutrient ratios of weeds and maize." Journal of Plant Nutrition and Soil Science 182, no. 2 (2019): 286–95. http://dx.doi.org/10.1002/jpln.201800171.

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Sinclair, Alan G., John D. Morrison, L. Chris Smith, and Ken G. Dodds. "Determination of optimum nutrient element ratios in plant tissue." Journal of Plant Nutrition 20, no. 9 (1997): 1069–83. http://dx.doi.org/10.1080/01904169709365319.

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Ren, Xiaowei, Na Lu, Wenshuo Xu, Yunfei Zhuang, Satoru Tsukagoshi, and Michiko Takagaki. "Growth and Nutrient Utilization in Basil Plant as Affected by Applied Nutrient Quantity in Nutrient Solution and Light Spectrum." Biology 11, no. 7 (2022): 991. http://dx.doi.org/10.3390/biology11070991.

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Quantitative nutrient management has advantages, such as saving resources and improving nutrient utilization, compared with the conventional electrical conductivity management method. The growth and nutrient utilization of vegetables are affected by the integrated environmental conditions such as nutrient supply and light spectrum. This study investigated the effects of applied nutrient quantity (ANQ) (0.5, 1, 2, and 4 times (T) the absorption quantity of nutrients determined in the preliminary experiment, indicated by 0.5T, 1T, 2T, and 4T, respectively) in nutrient solution and red:blue ratio
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Scagel, Carolyn F., Guihong Bi, Leslie H. Fuchigami, and Richard P. Regan. "Nutrient Uptake and Loss by Container-grown Deciduous and Evergreen Rhododendron Nursery Plants." HortScience 46, no. 2 (2011): 296–305. http://dx.doi.org/10.21273/hortsci.46.2.296.

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The influence of nitrogen (N) fertilizer application on plant allocation, uptake, and demand for other essential nutrients was evaluated from May 2005 to Feb. 2006 in evergreen Rhododendron ‘P.J.M. Compact’ (PJM) and ‘English Roseum’ (ER) and deciduous Rhododendron ‘Gibraltar’ (AZ) grown in containers filled with soilless substrate. Net nutrient uptake and losses were calculated using piecewise regression and uptake efficiency, root absorption capacity, aboveground demand, nutrient use efficiency, and uptake ratios between N and other nutrients (N ratios) were calculated using net uptake betwe
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Liu, Y. Y., M. Ukita, T. Imai, and T. Higuchi. "Recycling mineral nutrients to farmland via compost application." Water Science and Technology 53, no. 2 (2006): 111–18. http://dx.doi.org/10.2166/wst.2006.044.

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Increased cultivation of farmland has resulted in nutrient deficiency and consequently fertility degradation of soils. This research examined the application of composted wastes in terms of the feasibility and effectiveness of recycling plant essential minerals. Minerals in composts (derived from sewage sludge, livestock excrement, and municipal solid wastes, respectively) and in amended soils were observed. Ca/Mg ratios in amended soils and the effect of compost applications (mineral nutrients and heavy metals) on plant uptake were also studied. Results showed that composts, especially those
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Šrůtek, Miroslav. "Growth responses of Urtica dioica to nutrient supply." Canadian Journal of Botany 73, no. 6 (1995): 843–51. http://dx.doi.org/10.1139/b95-092.

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This study examines the effects of nutrient supply (three N–P–K treatments: 75, 225, and 375 kg∙ha−1; 12.5% N, 8.5% P, 16% K) on growth, allometry, and architecture of Urtica dioica L., an expansive clonal plant found throughout Central Europe. Biomass allocation was significantly affected by nutrient supply: higher nutrient doses resulted in less biomass allocation to belowground organs, whereas the period of intensive production of aboveground biomass was prolonged. Shoot height increases with nutrient supply. The height ratios were constant over time. Within each treatment and each harvest,
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Dissertations / Theses on the topic "Plant nutrient ratios"

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Waara, Linnéa. "Nutrient driven oviposition and food preference in terrestrial herbivorous insects - a choice experiment." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-125226.

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The presence of competitors and predators as well as plant quality affect which plants an insect feed from. These factors affect food choice through the entire insect life cycle, and is especially important when it comes to nurturing larvae. Females oviposition choice sets the initial stage for larval growth and survival, and it is therefore predicted that there is a strong selection pressure to make them oviposit on the best plants possible. This study looks into the behavior of nutrient driven ovipositing and food choice in the beetles Phratora vitellinae and Lochmaea caprea by offering indi
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Santoro, Maria Julia. "CORN GRAIN YIELD COMPONENTS AND NUTRIENT ACCUMULATION IN RESPONSE TO NITROGEN, PLANT DENSITY AND HYBRID." UKnowledge, 2018. https://uknowledge.uky.edu/pss_etds/100.

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Modern maize hybrids exhibit higher yields, increased biomass production, stress tolerance and greater nitrogen (N) use efficiency. Increased biomass accumulation can influence nutrient uptake and lead to increased nutrient removal. Hybrids were tested at seeding rates (SR) of 74000 (low) and 148000 (supraoptimal) plants ha-1 and at N rates of 0 (deficient) and 390 (non-limiting) kg N ha-1. Plants were sampled at V7, V14, R3, R5 and R6 and separated into vegetative and reproductive fractions for determination of dry matter and N accumulation. Grain yield was harvested at R6. The high SR and hi
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Xia, Yang. "Impact of varying NH₄⁺˸NO₃⁻ ratios in nutrient solution on C-isotope composition of leaf- and root-respired CO₂ and putative respiratory substrates in C₃ plants." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS222.

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La composition isotopique (¹³C/¹²C) du CO₂ respiré par les feuilles et les racines dans l'obscurité et celle des substrats respiratoires putatifs, y compris les sucres solubles et les acides organiques (malate et citrate), l'activité de la PEPc ainsi que les échanges gazeux des feuilles ont été déterminés sur le haricot (Phaseolus vulgaris L.) et l’épinards (Spinacia oleracea L.) cultivés dans du sable avec différents rapports NH₄⁺: NO₃⁻ dans N fourni. Le CO₂ respiré par les feuilles était enrichi en ¹³C sous NO₃⁻ s’appauvrissant progressivement avec l’augmentation de la fraction de NH₄⁺ dans
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Silva, Adilson Nunes da. "Nitrogen impacts on maize yield and nutrient use efficiency in contrasting stress environments." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-22042015-153310/.

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Nitrogen (N) fertilization and drought stress have large influence on maize grain yield, thus studies about genotypes and management technologies are very important to increase maize production. This study is presented in three chapters; the first two were undertaken in the United States of America and the third one in Brazil. The following objectives are addressed in this order: (1) The primary objective was to understand which traits, if any, differ between similar-maturity tolerant and non-drought tolerant hybrids that govern nutrient uptake and concentrations under different management tre
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Lai, Long-Wen, and 賴龍文. "Plant Growth and Fruit Yield, Quality of Tomato as Affected by High Nitrate, Potassium and Ratios of Nutrient Solution." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/69275200780907520299.

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碩士<br>國立嘉義大學<br>農學研究所<br>97<br>Abstract In these experiments the plant growth, fruit yield and quality of tomato were as affected by the N/K rations of nutrient solutions that contented high nitrate and potassium concentrations, the formulations of nutrient solution will be applied to tomato production. Experiment 1: the plants before flowering were irrigated with basic nutrient solution through a dropping system, after flowering these plot plants were divided into six treatments x 3 replications with RCBD design, these treatments were 5 treatments of N13K36 ([N]：[K]=13：36 mM), N17K32([N
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Blanchet, Catherine. "Le contenu en azote de Vallisneria americana : un élément intégrateur de l'hétérogénéité spatiale et temporelle du lac St-Pierre, un lac fluvial du fleuve St-Laurent." Thèse, 2008. http://hdl.handle.net/1866/8139.

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Win, Khine Htet Htet, and 柯婷文. "The Effect of Salinity and Biomass Ratio of Plant to Shrimp on the Nutrient Utilization and Crop Production in a Sea Purslane (Sesuvium portulacastrum) –White Shrimp (Litopenaeus vannamei)Raft Aquaponic System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/7eeyw8.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>104<br>To find out the feasibility of integrating sea purslane (Sesuvium portulacastrum), an edible and widely distributed salt tolerant coastal plant and white shrimp (Litopenaeus vannamei), a low salinity tolerant and most cultured penaeid into a brackish aquaponics production system, two studies were conducted: 1. Salinity effects on the growth and nutrient utilization of three varieties of sea purslane cultured in raft hydroponic system and 2. A research on the optimal biomass ratio of white shrimp and sea purslane culture in raft aquaponic system. First experim
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Duchoslavová, Jana. "Klonální integrace Agrostis stolonifera v živinově heterogenním prostředí." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-337592.

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Clonal plants may be able to cope with spatial heterogeneity due to the physiological integration of ramets. Previous studies demonstrated that benefits of clonal integration increase with patch contrast between individual ramets. However, the same magnitude of contrast may be perceived differently in rich and poor environments. According to the theoretical work of Caraco and Kelly (1991), I expected these benefits to be the greatest in overall poor conditions and high between-patch contrast. To test this hypothesis, I conducted experiments with pairs of ramets of a stoloniferous grass, Agrost
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Dieckmann, Jan. "Zur Bedeutung der Bodenstruktur für den Ertrag von Zuckerrüben." Doctoral thesis, 2008. http://hdl.handle.net/11858/00-1735-0000-0006-B027-1.

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Books on the topic "Plant nutrient ratios"

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Givnish, Thomas J., K. William Sparks, Steven J. Hunter, and Andrej Pavlovič. Why are plants carnivorous? Cost/benefit analysis, whole-plant growth, and the context-specific advantages of botanical carnivory. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198779841.003.0018.

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The 1984 cost/benefit model for the evolution of carnivorous plants addresses their potential energetic and ecological advantages. It has provided a conceptual framework for research on distribution, variation in trap allocation and mechanisms, association with low rates of photosynthesis and whole-plant growth, and ecology of carnivorous plants relative to noncarnivorous ones. We re-assess this model, its potential extensions, and the validity of its assumptions and predictions. We review what is known about photosynthesis, respiration, relative growth rates, and resource allocation in carniv
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Carlson, Carl Wilburn. Iron-Manganese Ratios in Nutrient Solutions in Relation to the Chlorosis of Sorghum Plants. Creative Media Partners, LLC, 2021.

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Benardot, Dan. Advanced Sports Nutrition. Human Kinetics, 2021. http://dx.doi.org/10.5040/9781718220973.

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Use the most sophisticated sports nutrition information to help you reach your athletic performance goals. In Advanced Sports Nutrition, Third Edition, world-renowned sports nutritionist Dr. Dan Benardot combines the latest research, strategies, and sports nutrition information with his experience in academia and work with elite athletes to help you learn the following: The implications of relative energy deficiency in sport (RED-S) and within-day energy balance so you can maintain crucial energy balance throughout training and competitionOptimal ratios and quantities of nutrients, vitamins, a
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Canfield, Donald Eugene. Cyanobacteria: The Great Liberators. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691145020.003.0004.

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This chapter discusses the importance of cyanobacteria. The evolution of cyanobacteria brought the biological production of oxygen to Earth for the first time. This led, in turn, to the eventual accumulation of oxygen in the atmosphere and to the widespread evolution of oxygen-utilizing organisms. However, the importance of cyanobacteria goes beyond this. Cyanobacteria were the first photosynthetic organisms on Earth to use water as a source of electrons. Unlike the sulfide, Fe2+, and H2 used by anoxygenic phototrophic organisms, water is almost everywhere on the planet surface. This means tha
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Kacorzyk, Piotr. Wartość gospodarcza okrywy roślinnej gleby w aspekcie nawożenia oraz zdolności retencyjnej płytki gleby górskiej. Publishing House of the University of Agriculture in Krakow, 2018. http://dx.doi.org/10.15576/978-83-66602-33-5.

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The aim of the study was to assess the impact of method management of mountain soil on the quantity and quality of waste water, and the amount of mineral nutrients it contains. I have analyzed the water, that was moved through the soil profiles of 0-20 cm and 0-40 cm depth. I have also evaluated the floristic composition, the productivity of grassland and arable land, and the use of fertilizers by vegetation and soil chemical properties. I have found that the type of plant cover of the soil had a significant effect on the amount and chemical composition of water moving through the soil profile
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Book chapters on the topic "Plant nutrient ratios"

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Saleque, M. A., K. M. Akther, and G. M. Panaullah. "Role of phosphorus on mineral nutrient concentrations and their ratios in rice." In Plant Nutrition. Springer Netherlands, 2001. http://dx.doi.org/10.1007/0-306-47624-x_404.

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Palm, Harry W., Ulrich Knaus, Samuel Appelbaum, Sebastian M. Strauch, and Benz Kotzen. "Coupled Aquaponics Systems." In Aquaponics Food Production Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15943-6_7.

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AbstractCoupled aquaponics is the archetype form of aquaponics. The technical complexity increases with the scale of production and required water treatment, e.g. filtration, UV light for microbial control, automatic controlled feeding, computerization and biosecurity. Upscaling is realized through multiunit systems that allow staggered fish production, parallel cultivation of different plants and application of several hydroponic subsystems. The main task of coupled aquaponics is the purification of aquaculture process water through integration of plants which add economic benefits when selec
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Nukaya, Akira, Kakushi Goto, and Hon-gi Jang. "Effect of NH4-N levels and K/Ca ratios in the nutrient solution on incidence of blossom-end rot and gold specks on tomato fruits grown in rockwool." In Plant Nutrition for Sustainable Food Production and Environment. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0047-9_316.

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Morgan, Lynette. "Plant nutrition and nutrient formulation." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0009.

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Abstract This chapter focuses on plant nutrition and nutrient formulation. Water quality and sources for hydroponic production, reclaimed water sources, water testing, water analysis reports, water treatment options, water usage and supply requirements, plant nutrition in hydroponic systems, essential elements and its function in plants and deficiency symptoms, beneficial elements, nutrient formulation, hydroponic nutrient formulation - nitrogen sources, common hydroponic fertilizers, fertilizer composition and grades, chelation of trace elements, foliar fertilizers, electrical conductivity, p
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Morgan, Lynette. "Plant nutrition and nutrient formulation." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0136.

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Abstract This chapter focuses on plant nutrition and nutrient formulation. Water quality and sources for hydroponic production, reclaimed water sources, water testing, water analysis reports, water treatment options, water usage and supply requirements, plant nutrition in hydroponic systems, essential elements and its function in plants and deficiency symptoms, beneficial elements, nutrient formulation, hydroponic nutrient formulation - nitrogen sources, common hydroponic fertilizers, fertilizer composition and grades, chelation of trace elements, foliar fertilizers, electrical conductivity, p
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Giagnoni, Laura, Tania Martellini, Roberto Scodellini, Alessandra Cincinelli, and Giancarlo Renella. "Co-composting: An Opportunity to Produce Compost with Designated Tailor-Made Properties." In Organic Waste Composting through Nexus Thinking. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36283-6_9.

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AbstractCo-composting is a technique that allows the aerobic degradation of organic waste mixtures, primarily aiming at obtaining compost that can be used as fertiliser or soil amendment. As compared to the typical composting activity, the main difference is not merely the use of more than one feedstock to start and sustain the biodegradation process, but also the possibility of combining various kinds of waste to obtain ‘tailored’ products with designed properties, or to reclaim and valorise natural resources, such as degraded soils or polluted soils and sediments. Set up of appropriate co-co
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Wetz, Michael S., Laura Beecraft, Molly McBride, Jamie L. Steichen, and Antonietta Quigg. "Nutrient-Phytoplankton Dynamics in Texas Estuaries." In Estuaries of the World. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-70882-4_7.

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AbstractPhytoplankton form the base of the food web and are often the main primary producer in estuaries. Freshwater inflow variability will modulate phytoplankton biomass and production in estuaries through effects on nutrient delivery and cycling in estuaries, as well as on light availability and flushing rates. The goal of this chapter is to build upon the conceptual framework of inflow-nutrient-phytoplankton dynamics proposed by Longley (1994) by highlighting advances that have been made since then. Specific objectives are to: quantify coast-wide relationships between inflow, nutrients, an
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Robaina, Lidia, Juhani Pirhonen, Elena Mente, Javier Sánchez, and Neill Goosen. "Fish Diets in Aquaponics." In Aquaponics Food Production Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15943-6_13.

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AbstractFish and feed waste provide most of the nutrients required by the plants in aquaponics if the optimum ratio between daily fish feed inputs and the plant growing area is sustained. Thus, the fish feed needs to fulfil both the fish’s and plant’s nutritional requirements in an aquaponic system. A controlled fish waste production strategy where the nitrogen, phosphorus and mineral contents of fish diets are manipulated and used provides a way of influencing the rates of accumulation of nutrients, thereby reducing the need for the additional supplementation of nutrients. To optimize the per
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Augustine, David J., Jennifer E. Smith, Ana D. Davidson, and Paul Stapp. "Burrowing Rodents." In Rangeland Wildlife Ecology and Conservation. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34037-6_15.

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AbstractBurrowing rodents have unusually disproportionate effects on rangeland ecosystems because they (1) engineer their environment through burrow construction and modification of vegetation structure, (2) influence ecosystem processes including aboveground plant production, nutrient cycling rates, and water infiltration patterns, (3) alter plant community composition, and (4) provide a prey base for a diverse array of predators. In some cases, engineering effects create habitat for certain faunal species that inhabit burrows or colonies of these rodents. We review the ecology and management
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Goulding, Keith, T. Scott Murrell, Robert L. Mikkelsen, et al. "Outputs: Potassium Losses from Agricultural Systems." In Improving Potassium Recommendations for Agricultural Crops. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59197-7_3.

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AbstractPotassium (K) outputs comprise removals in harvested crops and losses via a number of pathways. No specific environmental issues arise from K losses to the wider environment, and so they have received little attention. Nevertheless, K is very soluble and so can be leached to depth or to surface waters. Also, because K is bound to clays and organic materials, and adsorbed K is mostly associated with fine soil particles, it can be eroded with particulate material in runoff water and by strong winds. It can also be lost when crop residues are burned in the open. Losses represent a potenti
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Conference papers on the topic "Plant nutrient ratios"

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Haseeb, Muhammad, Anas Ayub, and Aimen Nawaz. "Impact of Climate Change on Organic soil: A Comprehensive Literature Review." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-fw5pfm.

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This paper focuses on the effects of climate change on soil systems which is an important research topic due to importance of soil in offering support to plants, controlling water, and supporting ecosystems. The intention was to review how increasing worldwide temperatures and changes in precipitation impact the properties that define the soil such as organic matter turnover, nutrient dynamics, and soil structure. The findings suggest that the rates of decomposition of soil organic matter increases with rising temperatures; therefore, rising temperatures would bring about drastic shifts in the
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Baranoski, Gladimir V. G. "Assessing the Effects of Nutrient Stress on the Red to Far-Red Ratios of Light Transmitted by Unifacial Plant Leaves." In IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2020. http://dx.doi.org/10.1109/igarss39084.2020.9324362.

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Crista, Laura, Isidora Radulov, Adina Berbecea, and Florin Crista. "THE ENHANCING IMPACT OF FOLIAR FERTILISERS ON QUALITY INDICES OF WHEAT." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/6.2/s25.51.

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Achieving profitable crop production milestones hinges on the establishment of a robust soil fertility program. Such programs demand foresight and meticulous planning. To ensure the profitability and efficiency of wheat cultivation, it is imperative to provide the right amount of essential plant nutrients precisely when and where the crop requires them. The application rates of fertilizers hold little significance if these vital nutrients are not distributed at the appropriate locations and times. Wheat, in particular, exhibits a heightened sensitivity to fertilization, responding favorably to
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Karlsons, Andis, Anita Osvalde, and Laura Abolina. "NITROGEN AND PHOSPHORUS EFFECT ON AMERICAN CRANBERRY GROWTH, YIELD AND MINERAL ELEMENT COMPOSITION." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/3.1/s13.33.

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The industrial cultivation of American cranberry (Vaccinium macrocarpon Aiton) in Latvia was started during last 20 years with total plantings of more than 125 ha today. As a native wetland plant, commonly cranberries grows on poor, acid soils and are characterized as nutrients low requiring crop, however, balanced plant nutrition is vitally important to realize the full potential of cranberries as crop, to ensure adequate growth and yield production. Previous results obtained by authors from different cranberry producing plantings in Latvia frequently showed inadequate cranberry tissue supply
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Magdum, Shubham Shankar, and Gopal M. Bhosale. "Studies on Application of Spent wash as a Nutrient for Agriculture waste Composting." In 7th GoGreen Summit 2021. Technoarete, 2021. http://dx.doi.org/10.36647/978-93-92106-02-6.14.

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Due to high organic loading rates, several chemicals in distillery spent wash have high B.O.D. and C.O.D. values. The cost of treating and disposing of spent wash is expensive. Hence Composting is one of the most effective methods for achieving this. Sugarcane farms agricultural waste is used as a raw material. The goal of this study is to figure out how to compost agricultural waste utilizing aerobic and windrow composting techniques. Pits should be 3m long, 1.5m wide and 1m high for aerobic composting, and 3m long, 1.5m wide, and 1.2m high for windrow composting (Composting, W.H.O Book). Tur
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Jundt, Emily, Kaustav Majumder, and Bijesh Maharjan. "Does Soil Nutrient Management with Nitrogen Fertilizer Increase Protein Content in Leguminous Plants." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/qgrx4847.

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Dry edible beans (Phaseolus vulgaris) are leguminous plants and are an excellent source of dietary proteins. Great Northern (GN) beans are a market class of dry edible beans and a major agricultural commodity in Nebraska. Soil nutrient management with nitrogen (N) fertilizer can enhance bean production by increasing N uptake, potentially improving protein quantity, and resulting in a potential economic benefit to bean farmers. Thus, this experiment aims to evaluate and optimize the effects of N treatment on yield, total protein, and soluble protein in GN beans. Seven treatments were tested, co
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Kozar, Elena V., and Elena A. Domblides. "EARLY SORTING FOR HERBICIDE RESISTANCE IN DOUBLED HAPLOIDS OF RAPESEED." In 12. JEEP INTERNATIONAL SCIENTIFIC AGRIBUSINESS CONFERENCE, MAK 2025 – KOPAONIK. Association science and business center WORLD; Institute for plant protection and environmen, 2025. https://doi.org/10.46793/mak2025.001k.

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Rapeseed is an herbaceous plant of the cabbage family (Brassicaceae), it is an allotetraploid (2n=38) with two genomes A and C, and it originated from an interspecific cross between Brassica campestris L., the donor of genome A, and Brassica oleracea L., the donor of genome C. Genome A has ten chromosomes and genome C has nine chromosomes (Tan et al., 2005). Rapeseed is an important oilseed crop worldwide and its production is increasing year by year. One of the most important parameters determining the profitability of rapeseed cultivation is its yield. The yield of this crop is affected by m
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Juliastuti, Sri Rachmania, Farah Salsabila, Fairuza Fasya Rahadisty, Lailatul Qadariyah, and Siti Nurkhamidah. "Production of Cu-EDTA, Zn-EDTA, CuZn-EDTA as a Micronutrient Fertilizer and its Application to Lettuce." In 4th International Seminar on Fundamental and Application of Chemical Engineering. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-opjm7m.

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Plants need two types of nutrients, which are macronutrients and micronutrients. Micronutrient needed by plants in small concentration (≤ 100 ppm) i.e. Cu and Zn. This study aims to determine the best composition ratio of Cu:EDTA, Zn:EDTA, and Cu:Zn:EDTA for making the micronutrients, determine the effect of Cu and Zn on lettuce (Lactuca sativa L), and determine the most effective type of micronutrient fertilizer and its concentration for lettuce growth. It was started by dissolving materials with 200 ml distilled water, then stirred and heated at 70-80°C for two hours. After that, the solutio
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Yuan, Jiheng, and Victor Phan. "Development and Evaluation of an AI-Enabled Nutrient Intake Monitoring App for Obesity and Diabetes Prevention in Young People: A Comparative Study with Live Scanning and Photo-Uploading Methods." In 11th International Conference on Signal Image Processing and Multimedia. Academy and Industry Research Collaboration Center (AIRCC), 2023. http://dx.doi.org/10.5121/csit.2023.130918.

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Obesity and diabetes are prevalent health issues worldwide, especially among young people. To address this, an app was proposed to help users monitor their daily nutrient intake and prevent obesity and diabetes [1]. The app uses AI scanning to analyze the nutrient level of food and suggests a suitable daily nutrient intake for the user based on their age and gender. Data storage allows users to track their meal history and create a personalized diet plan [2]. The app was compared to similar systems, and it was found that live scanning is more intuitive and convenient than photo uploading. Addi
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Karps, Oskars, Aivars Aboltins, and Janis Palabinskis. "BIOMASS ASH UTILIZATION OPPORTUNITIES IN AGRICULTURE." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.083.

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In Latvia and in the world there are problems with utilization of wood ash from large fireboxes because it is a technologically complicated, time consuming and costly process. The methods used to dispose of the ash when it is deposited in waste landfills are unsustainable. Pollution-increasing solution is needed since pure wood ash is a valuable source of plant nutrients. Ash contains the macro and microelements needed for plants and can replace some of the precious mineral fertilizers in agriculture, especially in organic. Ash use in agriculture is little explored and implemented, the use of
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Reports on the topic "Plant nutrient ratios"

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Cohen, Shabtai, Melvin Tyree, Amos Naor, Alan N. Lakso, Terence L. Robinson, and Yehezkiel Cohen. Influence of hydraulic properties of rootstocks and the rootstock-scion graft on water use and productivity of apple trees. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7587219.bard.

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This one year exploratory project investigated hydraulic architecture of apple dwarfing rootstocks. The hypothesis was that hydraulic conductance is correlated with rootstock vigor. A previous study of trees on three rootstocks in Israel showed that dwarfed trees used less water than un-dwarfed trees. Analysis showed that if the tree maintains leaf water potentials above minimum values, then this implies that the dwarfed trees have lower leaf conductance, which may also be the cause of dwarfing. The current project studied small 2-year old unworked rootstock trees, and full sized trees bearing
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Schuster, Gadi, and David Stern. Integration of phosphorus and chloroplast mRNA metabolism through regulated ribonucleases. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7695859.bard.

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New potential for engineering chloroplasts to express novel traits has stimulated research into relevant techniques and genetic processes, including plastid transformation and gene regulation. This proposal continued our long time BARD-funded collaboration research into mechanisms that influence chloroplast RNA accumulation, and thus gene expression. Previous work on cpRNA catabolism has elucidated a pathway initiated by endonucleolytic cleavage, followed by polyadenylation and exonucleolytic degradation. A major player in this process is the nucleus-encoded exoribonuclease/polymerasepolynucle
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Desiderati, Christopher. Carli Creek Regional Water Quality Project: Assessing Water Quality Improvement at an Urban Stormwater Constructed Wetland. Portland State University, 2022. http://dx.doi.org/10.15760/mem.78.

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Stormwater management is an ongoing challenge in the United States and the world at-large. As state and municipal agencies grapple with conflicting interests like encouraging land development, complying with permits to control stormwater discharges, “urban stream syndrome” effects, and charges to steward natural resources for the long-term, some agencies may turn to constructed wetlands (CWs) as aesthetically pleasing and functional natural analogs for attenuating pollution delivered by stormwater runoff to rivers and streams. Constructed wetlands retain pollutants via common physical, physico
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Guy, Charles, Gozal Ben-Hayyim, Gloria Moore, Doron Holland, and Yuval Eshdat. Common Mechanisms of Response to the Stresses of High Salinity and Low Temperature and Genetic Mapping of Stress Tolerance Loci in Citrus. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7613013.bard.

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The objectives that were outlined in our original proposal have largely been achieved or will be so by the end of the project in February 1995 with one exception; that of mapping cold tolerance loci based on the segregation of tolerance in the BC1 progeny population. Briefly, our goals were to 1) construct a densely populated linkage map of the citrus genome: 2) map loci important in cold and/or salt stress tolerance; and 3) characterize the expression of genes responsive to cold land salt stress. As can be seen by the preceding listing of accomplishments, our original objectives A and B have
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