Relevant bibliographies by topics / Phosphorus-potassium fertilizer

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

Academic literature on the topic 'Phosphorus-potassium fertilizer'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Phosphorus-potassium fertilizer"

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Setyowati, E., Samanhudi, and M Rahayu. "Shallot Growth on Organic Nano NPK Fertilizer Application." IOP Conference Series: Earth and Environmental Science 1490, no. 1 (2025): 012023. https://doi.org/10.1088/1755-1315/1490/1/012023.

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Abstract The level of shallot crop productivity in Indonesia still needs to be improved. To increase shallot productivity, fertilization innovation using nano organic fertilizer is needed. This research studies the effect of nano organic NPK fertilizer on plant growth shallot using a completely randomized design (CRD) with two factors, namely shallot varieties and doses of nano organic NPK fertilizer. The varieties used were Crok Kuning and Tajuk, while the fertilizer doses used were chemical fertilizer Nitrogen 180; Phosphorus 120; Potassium 60 kg/ha, organic nano NPK fertilizer Nitrogen 140;
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Nafis, Fika Fatwa Anin, Djoko Kustono, and Anindya Hapsari. "Analysis of Nitrogen, Phosphorus and Potassium Concentration in Modified Liquid Organic Fertilizers of Vegetable Waste, Charcoal and Snails." Preventia : The Indonesian Journal of Public Health 8, no. 1 (2023): 58. http://dx.doi.org/10.17977/um044v8i12023p58-61.

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Nitrogen, phosphorus and potassium concentration in liquid organic fertilizer can be obtained from organic materials. Liquid organic fertilizer can be made from vegetable waste, charcoal, and gold snail (Pomacea canaliculata L.). This study aimed to know the concentration of nitrogen, phosphorus and potassium in liquid organic fertilizers of waste vegetable, charcoal and snail. Methods used to test nitrogen was the Kjeldahl method, while potassium and phosphorus tested with spectrophotometer. The results showed that the concentration of nitrogen, phosphorus and potassium in liquid organic fert
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Andeshmand, Abdul Bari. "Effect of Different Levels of Nitrogen, Phosphorus and Potassium Fertilizers on Yield of Cucumber (Cucumis sativus L.) Under The Climatic Conditions of Takhar Province." Journal for Research in Applied Sciences and Biotechnology 3, no. 5 (2024): 35–38. http://dx.doi.org/10.55544/jrasb.3.5.7.

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The experiment was carried out in the research farm of Agriculture Faculty, Takhar University under the title of the effect of nitrogen fertilizer with different amounts of phosphorus and potassium fertilizers on cucumber yield under the climatic conditions of Takhar Province, Afghanistan. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications and four treatments. Treatments T1 without of any fertilizer, T2 nitrogen 80 kg ha-1, phosphorus fertilizer 100 kg ha-1, and potassium fertilizer 85 kg ha-1. T3 nitrogen fertilizer 80 kg ha-1, phosphorus fertiliz
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YADAV, R. L. "FACTOR PRODUCTIVITY TRENDS IN A RICE–WHEAT CROPPING SYSTEM UNDER LONG-TERM USE OF CHEMICAL FERTILIZERS." Experimental Agriculture 34, no. 1 (1998): 1–18. http://dx.doi.org/10.1017/s0014479798001070.

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A long-term fertilizer experiment was conducted on the rice–wheat cropping system at four locations in India. Trends in partial factor productivity of applied nitrogen, benefit : cost ratio of fertilizer application, grain yield, changes in soil organic carbon, and available nitrogen (N), phosphorus (P) and potassium (K) were studied in control (N0P0K0), N (N120P0K0), NP (N120P80K0), NK (N120P0K40) and NPK (N120P80K40) fertilizer treatments. On average at all locations, continuous rice–wheat cropping for 16 years decreased the yield of rice by 57% in unfertilized plots and by 32% in plots rece
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Mohammed, Saad A., and Mohammed H. Naile. "EFFECT OF MYCORRHIZA INOCULATION AND BIOZYME SPRAY ON THE CONTENT OF LEAVES AND FRUITS OF NUTRIENTS ELEMENTS OF SUMMER SQUASH." Diyala Agricultural Sciences Journal 12, special (2020): 558–70. http://dx.doi.org/10.52951/dasj.20121047.

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A experiment of field with conducted for the spring season 2018 on summer squash in the fields of the Department of Horticulture and Garden Engineering, College of Agriculture, Al-Anbar University to find out the effect of adding bio fertilizer and spraying with Biozyme as bio fertilizers were added at four levels1-Without adding (comparison) 2- Complete chemical fertilizer recommendation + 50 g poultry fertilizer 3- Half fertilizer recommendation + 50 g poultry fertilizer + 50g bio fertilizer 4- 50 g poultry fertilizer + 50 g bio fertilizer and Number of times sprayed with the Biozyme it was
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Shoniyozov, Bobur Ortikov Tulkin. "INFLUENCE OF DOSES OF NITROGEN FERTILIZERS ON THE CHEMICAL COMPOSITION OF AMARANTH PLANTS." ACADEMIC RESEARCH IN MODERN SCIENCE 2, no. 3 (2023): 136–39. https://doi.org/10.5281/zenodo.7593488.

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The article presents data on the effect of nitrogen fertilizer norms on the chemical composition of amaranth plants, that is, the content of nitrogen, phosphorus and potassium in various plant organs. The application of nitrogen fertilizers at a rate of 150 to 300 kg/ha against the background of phosphorus-potassium fertilizers contributed to an increase in the content of nitrogen, phosphorus and potassium in grain, above-ground biomass, crop residues and roots of amaranth plants. At the same time, nitrogen fertilizers had a different effect on increasing the content of nitrogen, phosphorus an
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HU, CHENG, SHUANG-LAI LI, YAN QIAO, DONG-HAI LIU, and YUN-FENG CHEN. "EFFECTS OF 30 YEARS REPEATED FERTILIZER APPLICATIONS ON SOIL PROPERTIES, MICROBES AND CROP YIELDS IN RICE–WHEAT CROPPING SYSTEMS." Experimental Agriculture 51, no. 3 (2014): 355–69. http://dx.doi.org/10.1017/s0014479714000350.

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SUMMARYLong-term fertilization experiment has been conducted since 1981 to study the effect of soil management practices on soil fertility, soil carbon and nitrogen sequestration, soil culturable microbe counts and crop yields at the Nanhu Experimental Station in the Hubei Academy of Agricultural Sciences (situated in the middle reach of the Yangtze River and the rice–wheat cropping system). The experiment was designed with the following eight treatments: (1) unfertilized treatment: Control; (2) inorganic nitrogen fertilizer treatment: N; (3) inorganic nitrogen plus inorganic phosphorus fertil
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Suntoro, G. Herdiansyah, H. Widijanto, A. D. Tjahjanto, C. Puspitasari, and H. R. Wardhana. "Effect of green manure on the availability of Phosphorus and Potassium nutrients in Vertisols." IOP Conference Series: Earth and Environmental Science 1362, no. 1 (2024): 012045. http://dx.doi.org/10.1088/1755-1315/1362/1/012045.

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Abstract The need for rice as a staple food continues to increase, increasing the demand for land. However, the soil’s availability of nutrients is decreasing due to inappropriate and excessive use of chemical fertilizers, causing soil degradation. Green fertilizer is an effective effort to reduce excessive use of chemical fertilizers. The research aims to determine the use of green manure in influencing the availability of phosphorus and potassium nutrients. The research was conducted on Vertisols in Weru District, Sukoharjo Regency. The research was carried out using experimental methods. Th
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Koestoer, Raldi H., Tri Ligayanti, Sutrasno Kartohardjono, and Harris Susanto. "Down-streaming Small-Scale Green Ammonia to Nitrogen-Phosphorus Fertilizer Tablets for Rural Communities." Emerging Science Journal 8, no. 2 (2024): 625–43. http://dx.doi.org/10.28991/esj-2024-08-02-016.

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This study aims to evaluate the growth and production of sweet corn plants in response to the application of commercial NPK fertilizer and various doses of nitrogen-phosphorus fertilizer tablets. From early October 2022 to late January 2023, research was conducted at Research and Development Luas Birus Utama to produce nitrogen-phosphorus fertilizer tablets and at Research and Development Syngenta Indonesia Cikampek Station, Karawang, to perform a semi-field analysis. A factorial randomized block design with two treatment factors was employed in this study. The first factor was five types of n
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Gelaye, Yohannes, Melkamu Alemayehu, and Dereje Ademe. "Potato (Solanum tuberosum L.) Growth and Quality as Influenced by Inorganic Fertilizer Rates in Northwestern Ethiopia." International Journal of Agronomy 2022 (August 5, 2022): 1–9. http://dx.doi.org/10.1155/2022/9476021.

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Potato (Solanum tuberosum L.) is an important tuber crop that is highly affected by poor soil fertility and nutrient disparities. Nutrient depletion due to intensive monocropping and poor soil management practices is a serious problem in Ethiopia, including in northwestern areas. Therefore, an experiment was conducted in the East Gojjam zone of northwestern Ethiopia to evaluate the influence of phosphorus and potassium fertilizer rates on potato tuber production. Three phosphorus levels (0, 34.5, and 69 kg/ha−1) and four potassium levels (0, 100, 200, and 300 kg/ha−1) were set out in a factori
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Dissertations / Theses on the topic "Phosphorus-potassium fertilizer"

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Карпович, Е. В., Э. А. Карпович та А. В. Силич. "Получение фосфорно-калийного удобрения при использовании принципов производства суперфосфата камерным методом". Thesis, Издательство СумГУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/13194.

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В данном сообщении освещается технология получения сложного фосфорно-калийного удобрения путем разложения фосфорита специально подготовленной смесью серной кислоты и хлорида калия. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/13194
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Ervin, Clara Ray. "Poultry Litter Ash as an Alternative Fertilizer Source for Corn." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/103199.

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Poultry litter ash (PLA) is a co-product from manure-to-energy systems that originated in response to increased poultry litter (PL) volumes generated in concentrated poultry production regions. Investigating PLA as a crop fertilizer is an alternative solution to balancing poultry and crop regional nutrient cycling in the Commonwealth of Virginia. As the expanding world population places pressure on the poultry industry to meet consumption demands, increased PL production presents an obstacle to identify alternative uses for increased volumes. Currently, Virginia produces 44 million broilers wi
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Ottman, Michael, and Tom Thompson. "Fertilizing Small Grains in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2006. http://hdl.handle.net/10150/147019.

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6 pp.<br>Guidelines for nitrogen fertilization of small grains are presented using crop need, calendar dates, or tissue testing. Relationship between grain protein and nitrogen fertilization is presented. Phosphorus, potassium, and other nutrients are also discussed.
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Rose, Terry. "Deep-placed phosphate fertiliser improves phosphorus uptake and seed yield of canola (Brassica napus L.) in a Mediterranean-type climate." University of Western Australia. Dept. of Soil Science and Plant Nutrition, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0237.

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In Mediterranean-type climates, topsoil frequently dries out during spring. Problems associated with reduced nutrient (P, K) availability in dry topsoil may be overcome by placing fertilisers deeper in the soil, where the soil is more likely to remain moist for longer periods as opposed to conventional fertiliser placement. Deep-P placement has resulted in significant yield improvements for lupin crops in Mediterranean environments because lupin crops generally require soil P supply during spring (throughout the flowering stage); in contrast, wheat yields have seldom improved with deep P place
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More, Ketseemang. "Response of cabbage (Brassica Oleracea Var Capitata) transplants to nitrogen, phosphorus and potassium nutrition." Diss., Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-09212007-133240.

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Nowak, Benjamin. "Diminuer la dépendance aux engrais de synthèse par le recyclage local des éléments minéraux : analyse des stratégies d'approvisionnement en éléments minéraux des exploitations agricoles biologiques." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2013. http://tel.archives-ouvertes.fr/tel-00982802.

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Depuis la seconde moitié du XXème siècle, l'utilisation massive des engrais desynthèse a contribué à l'augmentation des rendements mais aussi à l'accumulation d'élémentsminéraux dans les systèmes agricoles. La limitation de cette accumulation passe par unmeilleur recyclage des éléments minéraux déjà présents dans les systèmes agricoles.L'agriculture biologique, qui interdit le recours aux engrais de synthèse, peut être considéréecomme un prototype d'agriculture à même d'améliorer ce recyclage. L'objectif de cette thèse a été d'identifier les stratégies mises en place par les agriculteurs biolo
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Crous, Jacob W. "Some effects of phosphorus (P) and potassium and residual P and K fertilizer on the growth of Pinus patula at Usutu, Swaziland." Thesis, 2009. http://hdl.handle.net/10539/7272.

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The sustainable production of renewable timber resources is not only important to Sappi and other forestry companies to produce pulp, paper and timber profitably, but to society in general to maintain or improve living standards in an ecological friendly manner. Research on the sustained production from short rotations of P. patula on the Usutu plantation has shown that operational application of P and K fertilizer corrected the 20% growth decline that was observed between first and second rotations on about 13% of the plantation that consists of soils derived from gabbro lithology. Howe
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Zikalala, Bongekile Octavia. "The chemical composition of baby spinach (Spinacia oleracea L,) as affected by nitrogen, phosphorus and potassium nutrition." Diss., 2014. http://hdl.handle.net/10500/18674.

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Baby spinach (Spinacia oleracea L.) is considered to be the one of the extremely nutritious vegetables, rich both in phytochemicals and core nutrients. Nowadays, phytochemicals in plants are raising interest in consumers for their roles in the maintenance of human health. Variation in content of bioactive compounds and core nutrients is the main concern in vegetable production. Factors such as cultural practices specially fertilization, may affect the nutritional and medicinal properties of the plants Therefore, three parallel trials for NPK to investigate the response of baby spinach leaves
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Lebepe, Francis Mashala. "Influence of nitrogen, phosphorus and potassium foliar feed on stooling rye (Secale cereale)." Thesis, 2018. http://hdl.handle.net/10386/2209.

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Thesis (MSc. (Agriculture Pasture Science)) -- University of Limpopo, 2018<br>This study was conducted at the University of Limpopo’s Experimental Farm (Syferkuil), in the Limpopo Province, South Africa. The objective was to determine the effect of foliar fertilizers on the dry matter production over a period of two growing seasons. The experiment was laid out in a 3 x 3 factorial arrangement, fitted in a randomized complete block design (RCBD), with 4 replications. The experiment was planted on 28th March 2014 for season 1 (2014) and 31st March 2015 for season 2 (2015). Three sources of
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Lin, Jin-Biau, and 林錦標. "The studies and evaluation of the analysis methods on the contents of nitrogen, phosphorus, potassium in organic fertilizers." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/83071881725012178415.

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碩士<br>朝陽科技大學<br>應用化學系碩士班<br>90<br>Nitrogen, phosphorus, and potassium are the most important and widely used three elements of plant nutrition. The organic matter can be regarded as the index of soil fertility. Therefore the studies and evaluation of the analysis methods on the contents of three main components in organic fertilizers are very important. Several methods have been used to measure the nitrogen, phosphorus pentoxide, and potassium oxide contents in organic fertilizers, however, all of them still have some disadvantages and them affect the accuracy of measurement. The objectiv
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Books on the topic "Phosphorus-potassium fertilizer"

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Ohno, Tsutomu. Phosphorus and potassium availability in wood ash-amended soils: An incubation study. Maine Agricultural and Forest Experiment Station, University of Maine, 1994.

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Roberts, S. Potato use of phosphorus and potassium in sandy soils. College of Agriculture and Home Economics Research Center, Washington State University, 1988.

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Downing, Troy. Nitrogen, phosphorus, and potassium uptake in perennial grasses fertilized with dairy manure. Oregon State University, Extension Service, 2002.

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Sims, J. L. Final report for memorandum of agreement no. 58-43YK-7-0028 titled "Effects of phosphorus and potassium on tobacco carbohydrate partitioning". USDA, ARS, 1989.

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Australian Soil Fertility Manual. CSIRO Publishing, 2006. http://dx.doi.org/10.1071/9780643100725.

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The Australian Soil Fertility Manual is a trusted guide to the safe use and handling of fertilizers. It describes the types of agricultural soils, how they are classified and the interaction of soil, water and nutrients. It also provides an insight into how plants utilise nutrients and the role that individual nutrients play in the process of plant growth.&#x0D; This edition has been revised to reflect an increased emphasis on the environmental fate of nutrients and appropriate management strategies. It also has additional information on soil physical, chemical, and biological properties and d
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Nitrogen, phosphorus, potassium, sulphur: Answers to your questions, a producer's version. Agriculture and Agri-Food Canada, Research Station, 1994.

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Chebotarev, N., S. Lebedeva, A. Yudin, S. Kokovkina, and G. Romanov. The efficiency of organic and mineral fertilizers when cultivating crops in the fodder crop rotation in the Komi Republic. 59th ed. FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences", 2023. http://dx.doi.org/10.19110/978-5-89606-653-8.

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The monograph examines the issues of agrochemistry and northern agriculture. Scientific research in the conditions of the Komi Republic aims at the effect of the regular use of organic and mineral fertilizers on the agrochemical properties of soddy-podzolic soil against the long-term cultivation of potato, annual and perennial grasses. The productivity of potato, annual and perennial grasses (in a six-field fodder crop rotation) after the use of organic and mineral fertilizers was assessed, as well as the quality of crop production, its compliance with standards (for contents of dry matter, st
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al, et, A. E. Johnston, P. R. Poulton, and J. K. Syers. Phosphorus, Potassium and Sulphur Cycles in Agricultural Soils (Proceedings of the International Fertiliser Society S.). International Fertiliser Society, 2001.

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Book chapters on the topic "Phosphorus-potassium fertilizer"

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Duru, M. "Effect of animal manure on phosphorus and potassium content of herbage." In Animal Manure on Grassland and Fodder Crops. Fertilizer or Waste? Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3659-1_36.

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Cambouris, Athyna N., Michel C. Nolin, and Régis R. Simard. "Precision Management of Fertilizer Phosphorus and Potassium for Potato in Quebec, Canada." In Proceedings of the Fourth International Conference on Precision Agriculture. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/1999.precisionagproc4.c81.

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Smith, K. A., and T. A. Van Dijk. "Utilisation of phosphorus and potassium from animal manures on grassland and forage crops." In Animal Manure on Grassland and Fodder Crops. Fertilizer or Waste? Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3659-1_6.

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Eryuce, Nevin, and Senay Aydin. "The effects of different nitrogen, phosphorus, potassium fertilizer application on tomato seed properties." In Optimization of Plant Nutrition. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-2496-8_67.

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Serrano, J., J. Marques da Silva, S. Shahidian, L. Silva, A. Sousa, and F. Baptista. "Spatial variability of soil phosphorus, potassium and pH: evaluation of the potential for improving vineyard fertilizer management." In Precision agriculture '15. Wageningen Academic Publishers, 2015. http://dx.doi.org/10.3920/978-90-8686-814-8_61.

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Kuria, Peter, Josiah Gitari, Saidi Mkomwa, and Peter Waweru. "Effect of conservation agriculture on soil properties and maize grain yield in the semi-arid Laikipia county, Kenya." In Conservation agriculture in Africa: climate smart agricultural development. CABI, 2022. http://dx.doi.org/10.1079/9781789245745.0015.

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Abstract Low and unreliable rainfall, along with poor soil health, is a main constraint to maize production in the semi-arid parts of Kenya that account for over 79% of the country's land area. In the vast county of Laikipia, farmers continue to plant maize despite the predominantly low quantities of precipitation. Participatory farmer experimentation with Conservation Agriculture (CA) was undertaken for six consecutive growing seasons between July 2013 and December 2016 to determine the effectiveness of CA as a method of improving soil properties and enhancing maize yields with the limited ra
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Taylor, Chris. "Fertilizing Earthworks." In Making the Geologic Now. punctum books, 2012. https://doi.org/10.21983/p3.0014.1.21.

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Earthworks map the intersection of human construction and geomorphology. They begin with land and extend through the complex social and ecological processes that create landscape. Propelled by the legacy of John Brinkerhoff Jackson, our understanding of earthworks as sites where the human and the geologic intersect has expanded to encompass human settlements, monumental artworks and industrial installations, as well as traces of their construction and decay, ranging from geologic material and weather to cigarette butts and hydroelectric dams.Since humans took an active role in cultivating food
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Simbeye, Daudi Samson. "Deployment of Wireless Sensor Networks for Soil Macronutrients Measurements in Farms." In Environmental and Agricultural Informatics. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9621-9.ch015.

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Farmers need accurate information about soil nutrient content if they are to apply the correct amount of fertilizer. Farmers who do not practice regular soil tests are facing numerous difficulties such a lack of accurate statistical information for soil and crop management, increased costs for fertilizers, and environmental degradation. However, traditional laboratory testing is costly and laborious, taking up to three weeks to complete. This study presents a technology which integrated various elements into a portable in-field device that measures soil macronutrients of nitrogen (N), phosphor
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Mamta, Rayavarapu Jaganadha Rao, Anil Dhar, and Khursheed Ahmad Wani. "Biological Alchemy." In Environmental and Agricultural Informatics. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9621-9.ch031.

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The story of garbage processing is changing globally and is being considered as a potential option in the hierarchy of integrated solid waste management that involves stabilization of organic material by the joint action of earthworms and microorganisms. Vermicomposting is an economically viable technique in which the job is done by certain species of earthworms that enhances the process of waste conversion and produces a better end product vermicompost. Vermicompost is highly nutritive fertilizer and more powerful growth promoter over the conventional compost. It is rich in nitrogen, phosphor
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Mamta, Rayavarapu Jaganadha Rao, Anil Dhar, and Khursheed Ahmad Wani. "Biological Alchemy." In Handbook of Research on Uncovering New Methods for Ecosystem Management through Bioremediation. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8682-3.ch013.

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The story of garbage processing is changing globally and is being considered as a potential option in the hierarchy of integrated solid waste management that involves stabilization of organic material by the joint action of earthworms and microorganisms. Vermicomposting is an economically viable technique in which the job is done by certain species of earthworms that enhances the process of waste conversion and produces a better end product vermicompost. Vermicompost is highly nutritive fertilizer and more powerful growth promoter over the conventional compost. It is rich in nitrogen, phosphor
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Conference papers on the topic "Phosphorus-potassium fertilizer"

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Csiba, Anita, and Arpad Ferencz. "DETERMINATION OF THE PRODUCT DEVELOPMENT DIRECTIONS FOR THE FERTILIZER PRODUCTS MADE FROM PIG FATTENING AND SLAUGHTERING BY-PRODUCTS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s18.33.

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Nowadays The storage of pig slurry has been an unsolved problem for a long time in Hungary, therefore the appropriate processing technology is a very important question in order we can produce from the pig fattening and slaughtering by-products the best possible quality of final product. The determined goals of the product development can be achieved in two ways. The first possible method for it preserving the nutrients in the slurry and the another way adding fertilizers or other valuable materials, that improve the soil. At the end of the industrial research project, we can develop a new tec
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Lato, Alina, Florin Crista, Iaroslav Lato, Alina Neacsu, and Laura Crista. "THE EFFECT OF FOLIAR FERTILIZATION WITH UREA UPON THE CONTENT OF MACRONUTRIENTS IN CAMBIC CHERNOZEM." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/3.2/s12.30.

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Sunflower and maize are two crops of particular importance, especially in the current context of the food crisis, cultivated on large areas worldwide, used both for animal and human nutrition. This study proposed to test the effectiveness of several types of foliar fertilizers with urea, for the two previously mentioned crops, in the pedo-climatic conditions of West of Romania, and the type of soil chosen for experimentation was Cambic Chernozem. The chemical compounds used for fertilizing crops were different urea solutions. As for the pH of urea solutions, they all have a value of 7.5 pH uni
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Zolotarev, Vladimir. "Efficiency of fertilizer application on seed stands of birdsfoot trefoil." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2021. http://dx.doi.org/10.33814/mak-2021-25-73-50-58.

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On sod-podzolic medium-loamy soils of the Central Non-Chernozem region of Russia with an average availability of mobile forms of phosphorus and an average close to low potassium content, high efficiency of using potash fertilizer together with phosphorus on birdsfoot trefoil seed crops was established. Effective doses of phosphorus-potassium fertilizers, providing an increase in seed yield in the first year by 42–47% and, according to the aftereffect, in the second year by 17–33%, are the application of P30–60K90–120.&#x0D; Keywords: Birdsfoot trefoil (Lotus corniculatus L.), seed herbage, pho
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Gritcan, Sava, Zinaida Dadu, Parascovia Crivaia, and Mihail Evtodiev. "Influence of complex fertilizer on physiological state and productivity of apple trees." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.24.

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It was researched the comparative efficiency of foliar treatment of apple trees with the water-soluble complex fertilizer (Benefit PZ, Nertus Bor, Brexil Zn) as wel as fertilizers containing nitrogen applied by installments on the background of fertilizers with phosphorus and potassium. It was established that the physiological state of the apple trees improved, the apple harvest increased and duration of fruits storage enhanced.
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Hospodarenko, Hryhorii, and Vitalii Liubych. "Formation of yield and quality of winter durum wheat grain depending on long-term fertilization." In Research for Rural Development 2022 : annual 28th international scientific conference proceedings. Latvia University of Life Sciences and Technologies, 2022. http://dx.doi.org/10.22616/rrd.28.2022.002.

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Durum wheat (Triticum durum Desf.) grain is the main raw material for the production of high-quality pasta and cereal products. The research was conducted at Uman National University of Horticulture (Ukraine) in a long-term stationary experiment, founded in 2011. The aim of the work was to study the impact of long-term use of various fertilization systems (with incomplete return of nitrogen, phosphorus and potash fertilizers) on the yield and quality of durum winter wheat grain. The long-term application of nitrogen, nitrogen-potassium, nitrogen-phosphorus and nitrogen-phosphorus-potassium sys
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6

Kozlovskaya, V. F. "Prospects for the rhizosphere microorganisms integration into agricultural practice as biofertilizers." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-141.

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Chemical fertilizers are a quick way to increase nutrients in the soil, but their use is economically costly and dangerous for the environment. Plant Growth Promoting Bacteria (PGPB) are able to increase the bioavailability of fertilizers through biological nitrogen (N) fixation, as well as potassium (K), phosphorus (P), and zinc (Zn) solubilization. The enhanced amount of soluble macro- and microelements in the close proximity of soil-root interface increases the fertilizer use efficiency ~ by 20-40 %.
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7

Karklina, Ilze, Zaiga Anna Zvaigzne, and Jelena Stola. "Chemical properties of needles as an indicator of nutrient status of fertilized coniferous stands." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.012.

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Enhanced forest growth may respond to demand of woody resources and contribute to the climate change mitigation. Forest soil treatment with fertilizers, as well as drainage and thinning enhance forest growth. The analysis of needles is an established method in forest science to identify the nutrient status in the forest stand and need for forest soil enrichment with fertilizers. The aim of this research is to estimate the efficiency of forest soil enrichment with wood ash and ammonium nitrate in order to eliminate nutrient deficiency in forest stands. Forest soil was enriched with wood ash fer
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8

Tosunov, Yanis K., Alexander I. Chernyshev, and Kirill O. Sinyashin. "The effect of the organic mineral fertilizer "Salt of the Earth" (grade A) on the formation of tubers, potato yield and tuber quality." In Agro-industrial complex: problems and prospects of development. Far Eastern State Agrarian University, 2024. https://doi.org/10.22450/978-5-9642-0629-3-203-207.

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The results of studies of organic mineral fertilizer "Salt of the Earth" (grade A) on potato productivity and quality are presented. The fertilizer contains the main elements of nutrition (nitrogen, phosphorus, potassium), iron, amino acids and humic acids. The highest efficiency was obtained when using fertilizer at a dose of 1.5 l/ha. At the same time, the increase in potato yield was 19.3 %.
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9

Starostin, D. V. "FEATURES OF NUTRITION AND FERTILIZATION OF COMMON CORN." In International Forum "Youth in Agricultural Sector". ДГТУ-Принт, 2024. https://doi.org/10.23947/young.2024.34-37.

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This article discusses the peculiarities of corn nutrition and approaches to the use of fertilizers that ensure optimal growth and development of this crop. Corn is one of the most important crops in the world, and its yield largely depends on a balanced diet and the proper use of mineral and organic fertilizers. The main attention is paid to elements such as nitrogen, phosphorus and potassium, as well as trace elements necessary to increase the resistance of corn to adverse conditions and diseases. Modern agrotechnical methods for improving soil quality and increasing the efficiency of fertil
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"Phosphorus and Potassium Decision Support System: bridging soil database and fertilizer application." In Soil Information System oriented nutrient management for Asian major crops. Food and Fertilizer Technology Center for the Asian and Pacific Region, 2012. https://doi.org/10.56669/aykk7992.

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Reports on the topic "Phosphorus-potassium fertilizer"

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Mallarino, Antonio P., Bernard J. Havlovic, and Jeff Butler. Phosphorus and Potassium Fertilizer Placement for Corn and Soybeans Managed with No-till and Chisel-Disk Tillage. Iowa State University, Digital Repository, 2004. http://dx.doi.org/10.31274/farmprogressreports-180814-2625.

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Mallarino, Antonio P., Bernard J. Havlovic, and Jeff Butler. Phosphorus and Potassium Fertilizer Placement for Corn and Soybeans Managed with No-Till and Chisel-Disk Tillage. Iowa State University, Digital Repository, 2006. http://dx.doi.org/10.31274/farmprogressreports-180814-445.

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Mallarino, Antonio P., and David Haden. Phosphorus and Potassium Fertilizer Placement for Corn and Soybeans Managed with No-till and Chisel-Disk Tillage. Iowa State University, Digital Repository, 2004. http://dx.doi.org/10.31274/farmprogressreports-180814-6.

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Journal articles
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