Relevant bibliographies by topics / Perennial crop

Contents

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

Academic literature on the topic 'Perennial crop'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Perennial crop"

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Franklin, Bradley, Keith C. Knapp, and Kurt A. Schwabe. "A Dynamic Regional Model of Irrigated Perennial Crop Production." Water Economics and Policy 03, no. 01 (2017): 1650036. http://dx.doi.org/10.1142/s2382624x16500363.

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Economic analyses of regional irrigated agricultural production typically make little distinction between perennial and annual crops despite the distinctive characteristics of perennials. Such factors include high planting costs, lags in production, long lifespan, and potentially long-lasting impacts of input use and weather shocks. This study establishes a fully dynamic model of irrigated perennial crop production in a regional context where annuals are also grown. Perennial crop area is modeled as a vintage capital stock with age-dependent yields. The model is applied to the Riverland region
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Ferchaud, Fabien, Céline Peyrard, Joël Léonard, Eric Gréhan, and Bruno Mary. "Large Variations in N2O Fluxes from Bioenergy Crops According to Management Practices and Crop Type." Atmosphere 11, no. 6 (2020): 675. http://dx.doi.org/10.3390/atmos11060675.

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Field N2O emissions are a key point in the evaluation of the greenhouse gas benefits of bioenergy crops. The aim of this study was to investigate N2O fluxes from perennial (miscanthus and switchgrass), semi-perennial (fescue and alfalfa) and annual (sorghum and triticale) bioenergy crops and to analyze the effect of the management of perennials (nitrogen fertilization and/or harvest date). Daily N2O emissions were measured quasi-continuously during at least two years in a long-term experiment, using automated chambers, with 2–5 treatments monitored simultaneously. Cumulative N2O emissions from
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Kuzmenko, N. N. "Replenishment of Humus due to Crop-Root Residues in Flax and Crop Rotations." Агрохимия, no. 7 (July 1, 2023): 3–8. http://dx.doi.org/10.31857/s0002188123070074.

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In the Central region of the Non-Chernozem zone of Russia on sod-podzolic light loamy soil in a long stationary experiment in flax crop rotations, the process of replenishing humus due to crop-root residues was studied. Alternation of crops in the crop rotation in 2004–2011: pure steam – winter rye with sowing of perennial grasses (red clover and timofeevka) – perennial grasses of the 1st year of use – perennial grasses of the 2nd year of use – flax – potato – barley – oats. In 2012–2018, potatoes were excluded from the crop rotation. The contribution of cultivated crops to the accumulation of
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Liu, Panpan, Dong Wang, Yue Li, et al. "Crop Conversion from Annual to Perennials: An Effective Strategy to Affect Soil Multifunctionality." Agronomy 14, no. 3 (2024): 594. http://dx.doi.org/10.3390/agronomy14030594.

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Although crop conversion from annual to perennial crops has been considered as one path towards climate-smart and resource-efficient agriculture, the effects of this conversion on soil multifunctionality and biomass yields remain unclear. The objective of the study is to enhance soil multifunctionality while exerting a marginal influence on farmer income. Here, we investigated the effects of annual winter wheat (Triticum aestivum L.) and two perennial crops (a grass (Lolium perenne L.), a legume (Medicago sativa L.), and their mixture) on soil multifunctionality and biomass yield on the Yellow
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Franklin, Bradley, Kurt Schwabe, and Lucia Levers. "Perennial Crop Dynamics May Affect Long-Run Groundwater Levels." Land 10, no. 9 (2021): 971. http://dx.doi.org/10.3390/land10090971.

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During California’s severe drought from 2011 to 2017, a significant shift in irrigated area from annual to perennial crops occurred. Due to the time requirements associated with bringing perennial crops to maturity, more perennial acreage likely increases the opportunity costs of fallowing, a common drought mitigation strategy. Increases in the costs of fallowing may put additional pressure on another common “go-to” drought mitigation strategy—groundwater pumping. Yet, overdrafted groundwater systems worldwide are increasingly becoming the norm. In response to depleting aquifers, as evidenced
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Lawes, R. A., and M. J. Robertson. "Effect of subtropical perennial grass pastures on nutrients and carbon in coarse-textured soils in a Mediterranean climate." Soil Research 50, no. 7 (2012): 551. http://dx.doi.org/10.1071/sr11320.

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In the northern agricultural region of Western Australia, some farmers have integrated C4 grass pastures into their farming system. This switch away from a farming system historically dominated by annual species could alter soil nutrient and carbon (C) levels. To explore this issue, 16 ‘over-the-fence’, pair-wise comparisons were conducted between a field in an annual crop–pasture rotation and a field sown to perennial pasture. The perennial pastures were 2–8 years of age, and comprised a mix of perennial species and volunteer annuals. Soils were deep yellow sand (Tenosols), and perennial root
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Swan, A. D., M. B. Peoples, R. C. Hayes, et al. "Farmer experience with perennial pastures in the mixed farming areas of southern New South Wales: on-farm participatory research investigating pasture establishment with cover-cropping." Crop and Pasture Science 65, no. 10 (2014): 973. http://dx.doi.org/10.1071/cp13448.

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In 2009, 95 farmers in the mixed farming zone of southern New South Wales (NSW), average annual rainfall 450–700 mm, were surveyed about their use of perennial pasture species. Survey responses indicated that, on average, 52% of land was under crop, 29% contained perennial pasture and 19% annual pastures. The proportion of land sown to perennial pastures and the species used differed with rainfall. Farmers identified concerns about the cost of establishment and poor survival of perennial pasture species as constraints to wider adoption. The survey also revealed that cover-cropping (sowing past
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O'Connell, Neil V., Craig E. Kallsen, Richard L. Snyder, Blake L. Sanden, Paul W. Giboney, and Mark W. Freeman. "(464) Temperature Relationships in a Mature Orange Orchard between Areas with or without a Partial Permanent Cover Crop." HortScience 40, no. 4 (2005): 1048B—1048. http://dx.doi.org/10.21273/hortsci.40.4.1048b.

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Many citrus growers are hesitant to plant cover crops, particularly perennial types, because of possible increased frost hazard. To quantify the increased risk, temperature relations over a 3-year period were compared between areas in a `Valencia' orange orchard with and without a partial perennial cover crop. The partial perennial cover crop consisted of a mowed perennial planting along the double drip line hoses, and an annually fall-replanted unirrigated strip of groundcover in the middle between the tree rows. This partial perennial cover crop increased the frost hazard compared to unculti
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Hacker, Ronald B., Ian D. Toole, Gavin J. Melville, Yohannes Alemseged, and Warren J. Smith. "Managing competitive interactions to promote regeneration of native perennial grasses in semi-arid south-eastern Australia." Rangeland Journal 39, no. 1 (2017): 59. http://dx.doi.org/10.1071/rj16048.

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Treatments to reduce available soil nitrogen and achieve specified levels of weed control were evaluated for their capacity to promote regeneration of native perennial grasses in a degraded semi-arid woodland in central-western New South Wales. Treatments were factorial combinations of nitrogen-reduction levels and weed-control levels. The four levels of nitrogen reduction were no intervention, and oversowing of an unfertilised summer crop, an unfertilised winter crop or an unfertilised perennial grass. The three weed-control levels were defined by the outcome sought rather than the chemical a
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Šroller, J., J. Pulkrábek, D. Novák, and O. Faměra. "The effect of perennial forage crop on grain yields in submontane regions." Plant, Soil and Environment 48, No. 4 (2011): 154–58. http://dx.doi.org/10.17221/4214-pse.

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    The structure of crop production (areas under crops, crop yields, fertilization) in 15 agricultural farms in potato-production and mountain regions of the Czech Republic was analyzed to evaluate the relations between NPK fertilization level, percentage of perennial forage crops on arable land and grain yields as the basic indicator of crop production output. A multifactor analysis based on simple regression equations indicated direct relations between the two above-mentioned factors and yield. Correlation and regression analyses demonstrated a close corr
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Dissertations / Theses on the topic "Perennial crop"

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Alexander, Peter Mark William. "Modelling the UK perennial energy crop market." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/9645.

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Biomass produced from perennial energy crops, Miscanthus and willow or poplar grown as short-rotation coppice, is expected to contribute to UK renewable energy targets and reduce the carbon intensity of energy production. The UK Government has had incentives in place, targeting farmers and power plant investors to develop this market, but growth has been slower than anticipated. Market expansion requires farmers to select to grow these crops, and the construction of facilities, such as biomass power plants, to consume them. Farmer behaviour and preferences, including risk-aversion, are believe
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Zhang, Xiaohua 1964. "Price expectations in perennial crop supply models." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/291531.

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In the analysis of investment and production decisions for perennial crops, expectations play a critical role. This thesis studied three hypotheses about price expectations and reviewed five supply response models for perennial crops. An empirical model for the apple industry was developed to test alternative representations of expected prices. The naive and adaptive expectation model performed well with national data, whereas moving averages of price and the adaptive expectations model performed better with Washington data. To improve estimates of supply response for perennial crops, better d
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Huggett, David Alan John. "Potential insect pests of the biomass crop Miscanthus." Thesis, Imperial College London, 1997. http://hdl.handle.net/10044/1/7180.

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Koivisto, Jason M. "Semi-leafless peas : a cover crop for establishing lucerne or red clover." Thesis, Coventry University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246331.

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Xue, Yao. "Accessing Chilling Conditions For Perennial Fruit Crop Production in Kentucky." TopSCHOLAR®, 2015. http://digitalcommons.wku.edu/theses/1486.

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Temperate Region fruit and nut trees, and many other perennial plants, require cool winter temperatures (chilling hours) to ensure leaf and flower bud production in the following season. Temperate Regions are characterized by variable winter and spring temperatures. Failure of meeting sufficient chilling requirement results in deformed fruits, unequal maturation, and other plant deformities, thereby reducing quality and yields. Chilling requirements are expressed as number of accumulated hours within a range of approximately 32º to 45ºF or 0º to 7.2ºC. These requirements are specific for level
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Shortall, Orla. "Rethinking bioenergy from an agricultural perspective : ethical issues raised by perennial energy crop and crop residue production for energy in the UK and Denmark." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/28756/.

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The aim of this project is to explore the social and ethical dimensions of the agricultural production of perennial energy crop and crop residues for energy. Biomass – any living or recently living matter – is being promoted in industrialised countries as part of the transition from fossil fuels to an economy based on renewable energy. Various challenges face the use of bioenergy however. One particularly controversial and high profile example has been the use of food crop biofuels in transport which are seen to conflict with food production and to cause significant environmental damage. Sugge
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McKenzie, Scott. "An aboveground-belowground herbivore interaction in a woody perennial crop and its response to elevated atmospheric CO2." Thesis, Cardiff University, 2015. http://orca.cf.ac.uk/73333/.

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Interactions between above ground and root-feeding herbivores can be influenced by changes in plant traits, such as tissue chemistry and morphology. Environmental heterogeneity and perturbations also affect these plant-mediated interactions. Climate change is a multi-faceted phenomenon; increases in atmospheric carbon dioxide (CO2) concentrations lead to increased global mean temperature and an associated higher frequency of extreme weather events. These factors can potentially perturb ecosystem function by altering both plant–herbivore and herbivore–herbivore interactions. A detailed understa
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CHIMENTO, CARLO. "ASSESSMENT OF THE CARBON SEQUESTRATION POTENTIAL IN SOIL AND IN BELOWGROUND BIOMASS OF SIX PERENNIAL BIOMASS CROP." Doctoral thesis, Università Cattolica del Sacro Cuore, 2015. http://hdl.handle.net/10280/6072.

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L'obiettivo della ricerca è stato quello di identificare la coltura bioenergetica con il maggior potenziale di sequestro del carbonio (C); sono state considerate tre colture perenni arboree (pioppo, robinia e salice) e tre colture erbacee perenni (canna comune , miscanto e panico ) al sesto anno dal loro impianto e coltivate nello stesso ambiente. In primo luogo sono state misurate le variazioni dei tassi del C organico del suolo (COS) per il primo 1 m, mentre per i primi 30 cm di suolo è stato stimato il grado di stabilita del COS valutando sette frazioni di COS che presentano differenti grad
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CHIMENTO, CARLO. "ASSESSMENT OF THE CARBON SEQUESTRATION POTENTIAL IN SOIL AND IN BELOWGROUND BIOMASS OF SIX PERENNIAL BIOMASS CROP." Doctoral thesis, Università Cattolica del Sacro Cuore, 2015. http://hdl.handle.net/10280/6072.

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L'obiettivo della ricerca è stato quello di identificare la coltura bioenergetica con il maggior potenziale di sequestro del carbonio (C); sono state considerate tre colture perenni arboree (pioppo, robinia e salice) e tre colture erbacee perenni (canna comune , miscanto e panico ) al sesto anno dal loro impianto e coltivate nello stesso ambiente. In primo luogo sono state misurate le variazioni dei tassi del C organico del suolo (COS) per il primo 1 m, mentre per i primi 30 cm di suolo è stato stimato il grado di stabilita del COS valutando sette frazioni di COS che presentano differenti grad
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Weeks, James Michael Jr. "Perennial Grass Based Crop Rotations in Virginia: Effects on Soil Quality, Disease Incidence, and Cotton and Peanut Growth." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/35394.

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In 2003 eight peanut and cotton crop rotations were established in southeastern Virginia, 4 of which included 2 or 3 years of tall fescue or orchardgrass grown as high-value hay crops. Each crop rotation was evaluated for changes in soil quality indicators including soil carbon and nitrogen, water stable soil aggregates, plant available water content, bulk density, cone index values, and soil moisture. Cotton and peanut growth and yield were also observed to evaluate changes in crop growth associated with differences in soil quality. Soilborne plant pathogens including root-knot nemat
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Books on the topic "Perennial crop"

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Weaver, Robert D. An integrated model of perennial and annual crop production for Sub-Saharan countries. International Economics Dept., The World Bank, 1989.

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Toensmeier, Eric. Perennial vegetables: From artichoke to zuiki taro, a gardener's guide to over 100 delicious, easy-to-grow edibles. Chelsea Green Pub., 2007.

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Flood, J., P. D. Bridge, and M. Holderness, eds. Ganoderma diseases of perennial crops. CABI, 2000. http://dx.doi.org/10.1079/9780851993881.0000.

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J, Flood, Bridge P. D, and Holderness M, eds. Ganoderma diseases of perennial crops. CABI, 2000.

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A, Hammerschlag F., and Litz Richard E, eds. Biotechnology of perennial fruit crops. C.A.B. International, 1992.

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AGRICULTURE, US DEPARTMENT OF. Lancer perennial pea. U.S. Dept. of Agriculture, 1986.

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Kosolapov, Vladimir, Bilus Sharifyanov, Halyaf Ishmuratov, Fanuz Shagaliev, Idris Yumaguzin, and Eduard Salihov. Bulky forage from legume-cereal mixtures in cattle rations. Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/monography_2021_184.

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The results of our own scientific research on the use of advanced technologies for the procurement, storage and use of voluminous forage prepared from legume-cereal grass mixtures, as well as silos preserved with new generation biological preparations Biosib and Biotrof-111 are presented. The ways and methods of improving the structure of sown areas during the cultivation of perennial legume-cereal grass mixtures with the inclusion of an unconventional forage crop - the eastern goat's rue are considered in order to increase the energy and protein nutritional value of voluminous forages. The po
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Food and Agriculture Organization of the United Nations., ed. Breeding for durable resistance in perennial crops. Food and Agriculture Organization of the United Nations, 1986.

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Barth, Susanne, Donal Murphy-Bokern, Olena Kalinina, Gail Taylor, and Michael Jones, eds. Perennial Biomass Crops for a Resource-Constrained World. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44530-4.

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Trivedi, Pravinchandra Kantilal. On understanding investment behavior in perennial crops production. World Bank, 1987.

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Book chapters on the topic "Perennial crop"

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Barquero-Miranda, Miguel, and Reina Céspedes. "Mutation Induction Using Gamma-Ray Irradiation and High Frequency Embryogenic Callus from Coffee (Coffea arabica L.)." In Mutation Breeding in Coffee with Special Reference to Leaf Rust. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-67273-0_6.

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AbstractMutation induction through chemical or physical mutagenesis has been widely used for crop improvement for more than 70 years. Coffee is one of the most important crops in Latin-America, and, as any other crop, it can be affected by pests and diseases. Coffee leaf rust (CLR), caused by the biotrophic fungus Hemileia vastatrix, is the most important disease affecting Arabica coffee leading to significant losses for growers. As a perennial crop, conventional breeding of Arabica coffee is time-consuming. Plant tissue culture in combination with mutation induction techniques can provide an
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Paul, Florie, François Ruf, and Yoddang. "Diversification and Perennial-Crop Cycles in Aceh, Indonesia." In Economics and Ecology of Diversification. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-7294-5_16.

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Johnson, Dennis V., and P. K. R. Nair. "Perennial crop-based agroforestry systems in northeast Brazil." In Agroforestry Systems in the Tropics. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2565-6_29.

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Boincean, Boris, Grigore Rusnac, Vadim Cuzeac, et al. "Agronomic Benefits of Perennial Crops and Farmyard Manure in Crop Rotations." In Regenerative Agriculture. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72224-1_24.

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Mkomwa, Saidi, Amir Kassam, Sjoerd W. Duiker, and Nouhoun Zampaligre. "Livestock integration in conservation agriculture." In Conservation agriculture in Africa: climate smart agricultural development. CABI, 2022. http://dx.doi.org/10.1079/9781789245745.0012.

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Abstract Grazing livestock have been presented as an unsurmountable obstacle for Conservation Agriculture (CA) in Africa, because they consume organic cover. But grazing livestock can also make positive contributions to CA, while, if properly managed, sufficient organic cover can be left for soil erosion control and soil health improvement. Urine and manure improve soil fertility and soil health, and increase the agronomic efficiency of fertilizer nutrients. Grazing livestock increase options for crop diversity, such as crop rotations with perennial forages, increased use of cover crops and tr
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Shakeel, Qaiser, Guoqing Li, Yang Long, and Hafiz Abdul Samad Tahir. "Development and Implementation of IDM Program for Annual and Perennial Crops." In Sustainability in Plant and Crop Protection. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-35955-3_15.

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Zhu, X. G., T. G. Chang, Q. F. Song, et al. "A Systems Approach Guiding Future Biomass Crop Development on Marginal Land." In Perennial Biomass Crops for a Resource-Constrained World. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44530-4_18.

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Jankowicz-Cieslak, Joanna, Florian Goessnitzer, and Ivan L. W. Ingelbrecht. "Chemical Mutagenesis of Coffea arabica L. var. Venecia Cell Suspensions Using EMS." In Mutation Breeding in Coffee with Special Reference to Leaf Rust. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-67273-0_8.

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AbstractArabica coffee is widely grown in Latin America where it is under threat of leaf rust, a fungal disease caused by Hemileia vastatrix. As a perennial crop, conventional breeding of Arabica coffee is challenged by its long juvenile period and narrow genetic base. Plant mutants are important resources for crop breeding and functional genomics studies. The ethylating agent ethyl methanesulfonate (EMS) is widely used for inducing random point mutations. In a wide range of species, treatment with EMS causes GC-to-AT transitions with great efficiency. These properties, combined with ease of u
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Xu, Yan, and Bingru Huang. "Metabolic Regulation of Cytokinins for Conferring Heat and Drought Tolerance in Perennial Grass Species." In Handbook of Plant and Crop Physiology, 4th ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003093640-34.

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Bohra, Pooja, Ajit Arun Waman, and Sanjay Mishra. "Crop Wild Relatives of Selected Perennial Horticultural Crops in Andaman and Nicobar Islands, India." In Conservation and Utilization of Horticultural Genetic Resources. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3669-0_14.

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Conference papers on the topic "Perennial crop"

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Osiceanu, Marin. "BROADLEAVES PERENNIAL WEEDS CONTROL IN POTATO CROP." In 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings. STEF92 Technology, 2019. http://dx.doi.org/10.5593/sgem2019/3.2/s13.009.

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Glubokovskih, Aleksandr. "Modes of agricultural use, productivity and fertility of developed lowland peat soils." In Multifunctional adaptive fodder production23 (71). Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-108-114.

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The results of many years of research on the cultivation of crops in fodder crop rotation on dried peat soil are presented. A productive and agroecological assessment of crop rotation with various saturation with perennial grasses is given. The data on the reduction of peat reserves and changes in the agrochemical properties of the soil are presented.
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Mitchell, Rob. "Establishing and managing perennial grasses for bioenergy." In Proceedings of the 24th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2013. http://dx.doi.org/10.31274/icm-180809-114.

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Liebman, Matt, Tim Youngquist, Ken Moore, and Jill Euken. "Nutrient management PLUS with perennial grass STRIPS." In Proceedings of the 24th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2014. http://dx.doi.org/10.31274/icm-180809-163.

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Hart, Chad, and Jill Euken. "CenUSA: Results and resources for perennial grasses." In Proceedings of the 28th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2016. http://dx.doi.org/10.31274/icm-180809-201.

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Hoque, Mainul, Georgeanne Artz, and Chad Hart. "Production cost budgets for perennial grass systems." In Proceedings of the 24th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2014. http://dx.doi.org/10.31274/icm-180809-139.

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Cureton, Colin. "Supporting the commercialization, adoption, and scaling of climate-smart winter annual and perennial oilseeds." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/lyjl6277.

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The University of Minnesota Forever Green Initiative (FGI ) is an agricultural innovation platform developing viable, profitable perennial and winter annual crops and cropping systems that will provide “continuous living cover” on the Upper Midwestern agricultural landscape, which can likely improve climate mitigation and adaptation as well as provide other environmental co-benefits relative to conventional summer annual grain systems. Transdisciplinary FGI crop development research teams span genomics, plant breeding, agronomy, natural resource sciences, food science, social sciences, eco
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SPIRIDONOV, Anatoliy. "Problems and prospects of alfalfa cultivation in the north-west of the Russian Federation." In Multifunctional adaptive fodder production 29 (77). Federal Williams Research Center of Forage Production and Agroecology, 2022. http://dx.doi.org/10.33814/mak-2022-29-77-89-94.

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Alfalfa is the most widespread perennial legume forage crop in the world. Despite the obvious advantages of this crop, the expansion of production crops in the North-West of Russia is being held back for a number of reasons. Among the problems of cultivation, the main ones are the lack of seeds of zoned varieties and the non-compliance of soils with the requirements of culture. Prospects for the expansion of crops are seen in the breeding of plastic varieties and in the organization of their local seed production.
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Kozlova, Zoya, Lyubov' Matais, and Ol'ga Glushkova. "Influence of sainfoin on soil fertility and agro-economic indicators of fodder crop rotations under conditions of East Siberia." In Multifunctional adaptive fodder production23 (71). Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-67-72.

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Under conditions of East Siberia, the positive effect of sainfoin on the fertility of gray forest soil and the introduction of this crop into fodder five-course rotations have been studied. In Siberia the Hungarian sainfoin (Onobrychis arenaria) is well-spread. As a control variant the crop rotation without perennial legume crops (sainfoin-free) was taken. Our research on the introduction of a new legume crop — sainfoin has shown that the content of mobile phosphorus, on the average in crop rotations, varies from 15.3 to 17.1 mg per 100 g of soil, the value of the nitrate nitrogen indicator —
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Soroka, Andrey, Natal'ya Kostyuchenko, and Andrey Gaponyuk. "Productivity of perennial herbs on peat-mineral soils in the conditions of Polesie." In Multifunctional adaptive fodder production23 (71). Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-23-71-130-134.

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The results of studies on the productivity of perennial grasses on peat-mineral soil of Polesye are presented. Sowing alfalfa turned out to be the most productive crop among perennial leguminous herbs. Pasture legumes and grasses were slightly different in productivity. The introduction of an additional bean component in pasture mixtures did not contribute to a significant increase in the productivity of perennial herbs.
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Reports on the topic "Perennial crop"

1

Moore, Gloria A., Gozal Ben-Hayyim, Charles L. Guy, and Doron Holland. Mapping Quantitative Trait Loci in the Woody Perennial Plant Genus Citrus. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7570565.bard.

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As is true for all crops, production of Citrus fruit is limited by traits whose characteristics are the products of many genes (i.e. cold hardiness). In order to modify these traits by marker aided selection or molecular genetic techniques, it is first necessary to map the relevant genes. Mapping of quantitative trait loci (QTLs) in perennial plants has been extremely difficult, requiring large numbers of mature plants. Production of suitable mapping populations has been inhibited by aspects of reproductive biology (e.g. incompatibility, apomixis) and delayed by juvenility. New approaches prom
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Smith, Margaret, Nurit Katzir, Susan McCouch, and Yaakov Tadmor. Discovery and Transfer of Genes from Wild Zea Germplasm to Improve Grain Oil and Protein Composition of Temperate Maize. United States Department of Agriculture, 1998. http://dx.doi.org/10.32747/1998.7580683.bard.

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Project Objectives 1. Develop and amplify two interspecific populations (annual and perennial teosintes x elite maize inbred) as the basis for genetic analysis of grain quality. 2. Identify quantitative trait loci (QTLs) from teosinte that improve oil, protein, and essential amino acid composition of maize grain. 3. Develop near isogenic lines (NILs) to quantify QTL contributions to grain quality and as a resource for future breeding and gene cloning efforts. 4. Analyze the contribution of these QTLs to hybrid performance in both the US and Israel. 5. Measure the yield potential of improved gr
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3

Smith, Margaret, Nurit Katzir, Susan McCouch, and Yaakov Tadmor. Discovery and Transfer of Genes from Wild Zea Germplasm to Improve Grain Oil and Protein Composition of Temperate Maize. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7695846.bard.

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Project Objectives 1. Develop and amplify two interspecific populations (annual and perennial teosintes x elite maize inbred) as the basis for genetic analysis of grain quality. 2. Identify quantitative trait loci (QTLs) from teosinte that improve oil, protein, and essential amino acid composition of maize grain. 3. Develop near isogenic lines (NILs) to quantify QTL contributions to grain quality and as a resource for future breeding and gene cloning efforts. 4. Analyze the contribution of these QTLs to hybrid performance in both the US and Israel. 5. Measure the yield potential of improved gr
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4

Norelli, John L., Moshe Flaishman, Herb Aldwinckle, and David Gidoni. Regulated expression of site-specific DNA recombination for precision genetic engineering of apple. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7587214.bard.

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Objectives: The original objectives of this project were to: 1) evaluate inducible promoters for the expression of recombinase in apple (USDA-ARS); 2) develop alternative selectable markers for use in apple to facilitate the positive selection of gene excision by recombinase (Cornell University); 3) compare the activity of three different recombinase systems (Cre/lox, FLP/FRT, and R/RS)in apple using a rapid transient assay (ARO); and 4) evaluate the use of recombinase systems in apple using the best promoters, selectable markers and recombinase systems identified in 1, 2 and 3 above (Collabor
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5

Romero Perdomo, Felipe Andrés, Jonathan Alberto Mendoza Labrador, and Germán Andrés Estrada Bonilla. Growth stimulation of perennial ryegrass by plant growth promoting bacteria under limited nutritional conditions. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2019. http://dx.doi.org/10.21930/agrosavia.poster.2019.10.

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Although there are many studies on plant growth promotion carried out using bacteria on various crops, there is scarce information on the effects of PGPR on the growth of perennial ryegrass (Lolium perenne) cultivated in Colombian high tropics. Ryegrass is one of the most widely cultivated grass in Colombia, and it used as a nutritional source for livestock in intensive dual purpose, milk and meat production systems [1]. Several factors affect pasture degradation, including the following: (i) low planting density before grass initiated, (ii) forage species unsuitable for local conditions, and
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Rajarajan, Kunasekaran, Alka Bharati, Hirdayesh Anuragi, et al. Status of perennial tree germplasm resources in India and their utilization in the context of global genome sequencing efforts. World Agroforestry, 2020. http://dx.doi.org/10.5716/wp20050.pdf.

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Tree species are characterized by their perennial growth habit, woody morphology, long juvenile period phase, mostly outcrossing behaviour, highly heterozygosity genetic makeup, and relatively high genetic diversity. The economically important trees have been an integral part of the human life system due to their provision of timber, fruit, fodder, and medicinal and/or health benefits. Despite its widespread application in agriculture, industrial and medicinal values, the molecular aspects of key economic traits of many tree species remain largely unexplored. Over the past two decades, researc
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Eneroth, Hanna, Hanna Karlsson Potter, and Elin Röös. Environmental impact of coffee, tea and cocoa – data collection for a consumer guide for plant-based foods. Department of Energy and Technology, Swedish University of Agricultural Sciences, 2022. http://dx.doi.org/10.54612/a.2n3m2d2pjl.

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In 2020, WWF launched a consumer guide on plant-based products targeting Swedish consumers. The development of the guide is described in a journal paper (Karlsson Potter & Röös, 2021) and the environmental impact of different plant based foods was published in a report (Karlsson Potter, Lundmark, & Röös, 2020). This report was prepared for WWF Sweden to provide scientific background information for complementing the consumer guide with information on coffee, tea and cocoa. This report includes quantitative estimations for several environmental categories (climate, land use, biodiversit
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Climate Risks in the Northeast. USDA Northeast Climate Hub, 2017. http://dx.doi.org/10.32747/2017.6960277.ch.

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The 12 northeastern states form a diverse region producing more than $21 billion yearly in agricultural commodities. The Northeast region contains the seven most densely populated states and leads the nation in direct-to-public farm sales. Animal agriculture is important, particularly dairy and poultry. About half of the field crops and pasture grown in the Northeast are for animal feed. Horticulture and perennial fruits are also a relatively large portion of total plant production. Overall, farms in the Northeast are usually smaller in size and organic production is higher i comparison to oth
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