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Artykuły w czasopismach na temat „Potassium fertilizers”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Aryani, Ida, Gamal Abdul Nasser, Dali Dali, et al. "Potensi Peningkatan Hasil Jagung Manis (Zea Mays Saccharata Sturt) Melalui Kombinasi Dosis Pupuk Nitrogen dan Kalium." Journal on Education 5, no. 4 (2023): 16276–85. http://dx.doi.org/10.31004/joe.v5i4.2773.

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This study aims to obtain the right dosage of nitrogen and potassium fertilizers as well as the interaction between nitrogen and potassium in increasing the growth and yield of sweet corn (Zea mays var. saccharata). This study used a factorial randomized block design consisting of 2 treatment factors, namely nitrogen and potassium fertilizer treatment, with 3 replications. Factor I Nitrogen fertilizer treatment with the dose: N0: Without nitrogen fertilizer (control), N1: Nitrogen fertilizer 150 kg/ha Urea, N2: Nitrogen fertilizer 300 kg/ha Urea. Factor II Potassium Fertilizer : K0 : Without P

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Wang, Jin, Yuhang Lu, Xuemei Zhang, et al. "Effects of Potassium-Containing Fertilizers on Sugar and Organic Acid Metabolism in Grape Fruits." International Journal of Molecular Sciences 25, no. 5 (2024): 2828. http://dx.doi.org/10.3390/ijms25052828.

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To identify suitable potassium fertilizers for grape (Vitis vinifera L.) production and study their mechanism of action, the effects of four potassium-containing fertilizers (complex fertilizer, potassium nitrate, potassium sulfate, and potassium dihydrogen phosphate) on sugar and organic acid metabolism in grape fruits were investigated. Potassium-containing fertilizers increased the activity of sugar and organic acid metabolism-related enzymes at all stages of grape fruit development. During the later stages of fruit development, potassium-containing fertilizers increased the total soluble s

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3

AL-Sheikh, Mohammad Ahmad, Omar Abdullah Abdulrazzak, and Taha Hammadi Al-Khalifa. "Effect of Adding Potassium and Organic Fertilizers on the Soil NPK Content and the Productivity of maize (Zea mays L.)." Kufa Journal for Agricultural Sciences 16, no. 3 (2024): 152–63. http://dx.doi.org/10.36077/kjas/2024/v16i3.15433.

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The integrated use of organic and mineral fertilizers is a practical and good way to preserve and sustain soil fertility, which results in increased availability of nutrients in the soil and their absorption by plants, thus increasing crop productivity. Due to the fixation of potassium in the soil, it is necessary to work to increase the vitality of agricultural soil by adding fertilizers. Organic potassium is an important means of increasing the availability of macro- and micro-nutrients. Current research was carried out in a private farm in Deir Ezzor province during the summer season of 202

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Wen, Mingxia, Ji Zhang, Yongqiang Zheng, and Shilai Yi. "Effects of Combined Potassium and Organic Fertilizer Application on Newhall Navel Orange Nutrient Uptake, Yield, and Quality." Agronomy 11, no. 10 (2021): 1990. http://dx.doi.org/10.3390/agronomy11101990.

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In this study, we investigated the effects of the combined application of different doses of potassium and organic fertilizers on the nutrient uptake, yield, and quality of Newhall navel oranges (Citrus sinensis Osb. cv.). The citrus trees were treated with potassium fertilizer alone or with one of three combinations of organic and potassium fertilizers. Spring shoots, autumn shoots, and fruit were collected when they reached maturity, and the relevant indexes were determined by conventional methods. The soil carbon flux was measured 15, 35, 65, and 95 days after fertilizer application by a so

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Nurlaela, Endah, Rina Devnita, and Yuliati Machfud. "RESPONS KETERSEDIAAN KALIUM, SERAPAN K DAN HASIL JAGUNG MANIS TERHADAP APLIKASI DOSIS PUPUK NK MAJEMUK PADA INCEPTISOLS." Jurnal Pertanian Agros 27, no. 1 (2025): 118–30. https://doi.org/10.37159/jpa.v27i1.37.

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Fertilization is an agrotechnical method to improve soil fertility, which is crucial in increasing sweet corn production in Indonesia. Nutrient limitations in the soil often contribute to low corn yields. Inorganic fertilizers, such as compound NK fertilizers can provide essential nutrients for sweet corn. This study aims to identify the effects of different doses of compound NK fertilizers on available potassium (K), potassium uptake, and sweet corn yield. The research was conducted from October 2019 to January 2020 at the Experimental Farm and Soil Chemistry and Plant Nutrition Laboratory, D

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6

Mykolaiko, I. "Influence of growing conditions of mustard seed on its storage duration." Balanced nature using, no. 1 (February 29, 2024): 95–101. https://doi.org/10.33730/2310-4678.1.2024.302632.

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The article presents the results of research on determining the influence of seed growing conditions on its quality during long-term storage. The study was conducted with seeds that had high quality indicators (germination and germination energy) — 83–84%, which were grown without fertilizers (control) and with the introduction of phosphorus-potassium fertilizers in a dose of P45K45, both without foliar fertilization and with one-time nitrogen fertilization fertilizers in a dose of N15. It was established that, on average, for all varieties during the first year of seed storage both in the con

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7

Vorobieva, L. A., and V. A. Anishchenko. "Effect of mineral fertilizers on productivity and quality of yellow lupine cultivated on soddy-podzolic sandy soil." IOP Conference Series: Earth and Environmental Science 901, no. 1 (2021): 012020. http://dx.doi.org/10.1088/1755-1315/901/1/012020.

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Abstract The article presents the results of investigations carried out in a field experiment on sod-podzolic sandy soil contaminated with radionuclides, the efficiency of influence of doses and kinds of potassium fertilizers on the yield, 137Cs accumulation and fodder value of yellow lupine was studied. The carried out researches showed that the optimum doses of phosphorus-potassium fertilizers for getting an increased yield of green mass is P45K150, in both studied types of potassium fertilizers. To get the maximum grain yield of lupine, the optimal doses of mineral fertilizers are P45K150 a

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8

Ginting, Eko Noviandi, Syaiful Anwar, Budi Nugroho, and Suroso Rahutomo. "Reducing potassium leaching in peat soil using potassium zeolite-based fertilizer (ZEKA)." SAINS TANAH - Journal of Soil Science and Agroclimatology 22, no. 1 (2025): 244. https://doi.org/10.20961/stjssa.v22i1.93266.

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Using peat soils for agricultural purposes is challenged by low fertilizer efficiency, especially potassium chloride (KCl). On the other hand, zeolite is a potential material to produce slow-release fertilizers to improve fertilizer efficiency. This study aims to evaluate and compare potassium leaching from a conventional potassium fertilizer, KCl, and a zeolite-based potassium fertilizer, ZEKA, on peat soil columns. The ZEKA fertilizer was produced using two different zeolite particle sizes: coarse zeolite (ZC) and fine zeolite (ZF). The K leached from the fertilizers was measured in a peat s

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9

Chertkova, N. G., T. I. Firsova, Yu G. Skvortsova, G. A. Filenko, and R. O. Ryabov. "The use of complex fertilizers in seed production of winter wheat varieties." Grain Economy of Russia 1, no. 2 (2021): 52–57. http://dx.doi.org/10.31367/2079-8725-2021-74-2-52-57.

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The current paper has presented the results of the estimation of productivity of the winter wheat varieties ‘Krasa Dona’, ‘Polina’ and ‘Yubiley Dona’ when using liquid complex fertilizers ‘Strada N + Mono Sulfur (S)’, ‘Strada P + Mono Sulfur (S)’ and ‘Diform Silicon-potassium’. The treatment of winter wheat plants was carried out in the form of foliar top-dressings in the stages of tillering and stem extension. The study was carried out on the basis of the FSBSI “Agri- cultural Research Center “Donskoy” in 2019-2020. The trials were laid in the crop rotation of the laboratory for primary seed

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10

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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11

Hu, Wenjie, Jin Wang, Qunxian Deng, et al. "Effects of Different Types of Potassium Fertilizers on Nutrient Uptake by Grapevine." Horticulturae 9, no. 4 (2023): 470. http://dx.doi.org/10.3390/horticulturae9040470.

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Potassium (K) is the most important element for fruit quality improvement. This study aimed at determining the best K fertilizer type that can promote grape growth and nutrient uptake. Specifically, four types of K fertilizers (complex fertilizer, potassium nitrate, potassium sulfate, and potassium dihydrogen phosphate) were applied to grapevines grown in plastic pots, and then their effects on grape growth and nutrient uptake were explored. Results showed that the complex fertilizer and potassium nitrate treatments increased the biomass of the grapevine plants, whereas the other fertilizers h

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12

Kuzin, A. I., A. V. Kushner, A. A. Shmakova, G. B. Sviridov, and V. N. Nazarov. "Effect of potassium humate on the yield and N, P, K content in soil and leaves of cv. Ligol apple in Central Chernozem region." Horticulture and viticulture, no. 1 (March 17, 2023): 35–42. http://dx.doi.org/10.31676/0235-2591-2023-1-35-42.

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Nutrient management of high-density apple orchards remains to be a serious problem in central Russia. Enhancing apple productivity by applying higher fertilizer rates leads to an increased environmental burden and undesired consequences. Although the transition to organic farming may solve many horticultural problems, conventional methods still produce higher crop yields. One of the most pressing issues consists in reducing mineral fertilizer use by applying more organic substances. This approach allows soil fertility to be preserved while maintaining high levels of plantation productivity. In

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13

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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14

Rosawanti, Pienyani. "Kandungan Unsur Hara Pada Pupuk Organik Tumbuhan Air Lokal." Daun: Jurnal Ilmiah Pertanian dan Kehutanan 6, no. 2 (2020): 140–48. http://dx.doi.org/10.33084/daun.v6i2.1260.

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Water hyacinth, giant salvinia and water lettuce are widely available in Central Kalimantan that can be used as organic fertilizer. This study aims to determine the nutrient content of solid and liquid organic fertilizers in water hyacinth, giant salvinia and water lettuce fertilizers. The results showed that solid organic fertilizer/compost and water hyacinth, water lettuce and giant salvinia liquid fertilizer have nutrient content needed by plants. In solid fertilizers, the Nitrogen of giant salviniacontent was 2.43% and lack of the minimum standard of solid organic fertilizer, while Phospor

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15

Broschat, T. K., D. R. Sandrock, M. L. Elliott, and E. F. Gilman. "Effects of Fertilizer Type on Quality and Nutrient Content of Established Landscape Plants in Florida." HortTechnology 18, no. 2 (2008): 278–85. http://dx.doi.org/10.21273/horttech.18.2.278.

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In a series of three experiments, st. augustinegrass (Stenotaphrum secundatum ‘Floratam’), areca palm (Dypsis lutescens), canna (Canna × generalis ‘Richard Wallace’), pentas (Pentas lanceolata), allamanda (Allamanda cathartica ‘Hendersoni’), and nandina (Nandina domestica) were grown on highly leached sand soils in two locations in Florida. They were fertilized with typical turfgrass fertilizers having high nitrogen (N)-to-potassium (K) ratios and no magnesium (Mg), or several types of landscape palm fertilizers having low N:K ratios and 100% of their N, K, and Mg in controlled release form. S

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16

Hospodarenko, Н. M. "POTASSIUM BALANCE IN THE SOIL AND THE EFFECTIVENESS OF POTASSIUM DEFICIENCY SYSTEM OF FERTILIZATION." Bulletin of Uman National University of Horticulture 2 (December 2020): 42–46. http://dx.doi.org/10.31395/2310-0478-2020-2-42-46.

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The influence of long-term application of potassium-deficient fertilizer system in the field crop rotation (winter wheat, corn, spring barley, soybeans) on podzolic heavy loam black earth of the Right-Bank Forest-Steppe of Ukraine on potassium content in plants, its costs for formation of one unit of the harvest was determined; potassium balance was calculated and the effectiveness of different doses of potassium fertilizers was comprehensively assessed. It was found that the potassium content in grains and seeds of agricultural crops under the influence of potassium fertilizers varies by no m

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17

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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18

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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Yakimenko, V. N. "Fixation of Potassium and Magnesium by the Soil of Agrocenoses." Агрохимия, no. 3 (March 15, 2023): 3–11. http://dx.doi.org/10.31857/s0002188123030134.

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It was found that the soil of the agrocenosis with a long-term deficit balance of potassium and magnesium recorded 60-70% of potassium introduced with fertilizer and 20-30% of magnesium. With a positive balance of these elements in the agrocenosis, the fixation of potassium by the soil decreased to 40, and magnesium - to 6-10%. The introduction of increasing doses of potassium fertilizer did not affect the soil level of the content of exchangeable magnesium, the use of magnesium fertilizers did not change the content of exchangeable potassium in the soil. The combined use of moderate doses of

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Ronga, Domenico, Mario Parisi, Luisa Barbieri, Isabella Lancellotti, Fernanda Andreola, and Cristina Bignami. "Valorization of Spent Coffee Grounds, Biochar and other residues to Produce Lightweight Clay Ceramic Aggregates Suitable for Nursery Grapevine Production." Horticulturae 6, no. 4 (2020): 58. http://dx.doi.org/10.3390/horticulturae6040058.

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The valorization of agro-industrial by-products is one of the key strategies to improve agricultural sustainability. In the present study, spent coffee grounds and biochar were used as pore forming agents in the realization of lightweight clay ceramic aggregates that were used as sustainable fertilizers, in addition to tailored glass fertilizer containing phosphorous (P) and potassium (K) and nitrogen (N) synthetic fertilizer, for nursery grapevine production. The obtained fertilizers were assessed in a pot experiment for the fertilization of bare-rooted vines. Unfertilized (T0) and fertilized

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Shehata, Ibrahim E., Mostafa M. A. Hammam, and Mahfouz M. M. Abd-Elgawad. "Effects of Inorganic Fertilizers on Virulence of the Entomopathogenic Nematode Steinernema glaseri and Peanut Germination under Field Conditions." Agronomy 11, no. 5 (2021): 945. http://dx.doi.org/10.3390/agronomy11050945.

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The use of entomopathogenic nematodes as safe biopesticidal alternatives to hazardous chemicals entails improving the prediction of their native efficacy against soil pests. The effect of ten inorganic fertilizers, used extensively in Egypt, on the virulence of indigenous Steinernema glaseri and peanut germination was examined herein. The nematode added either before or tank-mixed with 1%, 5%, and 10% concentrations of each fertilizer in a peanut field was sampled 1 and 7 days before and 1, 7, 14, 21, 28, 49, and 56 post-tank mixes to check for S. glaseri virulence via baiting soil with Galler

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Hoàng Mai Thảo, Hoàng Văn Thông, Nguyễn Văn Toàn, and Trần Thành Vinh. "EFFECT OF POTASSIUM FERTILIZER ON GROWTH, DEVELOPMENT AND QUALITY OF ORANGE TREES IN YEN BAI PROVINCE." Tạp chí Khoa học và Công nghệ Trường Đại học Hùng Vương 33, no. 4 (2023): 70–76. http://dx.doi.org/10.59775/1859-3968.184.

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The experiment to evaluate the effects of potassium fertilizer on growth, development and quality of orange trees was arranged in Tran Yen district of Yen Bai province in 2021 and 2022 with 3 types of potassium fertilizer: Potassium chloride, Potassium sulfate, potassium nitrate and fertilizer amount of 1,8kg K20/tree. The results show that different types of potassium fertilizers will have different effects on orange yield and quality. Applying K2SO4 fertilizer to BH orange trees increase fruiting rate (reaching 2.3%) and productivity (reaching 24.43 tons/ha), high sweetness (brix level reach

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Alenzy, Ahmed F. M., and Akram A. H. Al-Hadethi. "The Role of Fertilization with Nano-Zinc Oxide on the Growth and Yield of Wheat in Calcareous Desert Soil." IOP Conference Series: Earth and Environmental Science 1060, no. 1 (2022): 012027. http://dx.doi.org/10.1088/1755-1315/1060/1/012027.

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Abstract A field experiment was conducted to study the effect of the source and level of addition of nano-zinc oxide on the growth and yield of IPA-99 wheat cultivar grown in desert soil conditions and compare it with regular zinc fertilizers. Fertilizers were sprayed on the soil, the nano-fertilizers included three sources of zinc, nano-metallic zinc oxide (ZnnO), zinc-chelated nano-fertilizer ZnnDTPA, and nano-zinc humate (ZnnHA). The nano-fertilizers were added at levels of 1 and 2 kg ha-1. Whereas the regular zinc fertilizers, ZnO, ZnDTPA, and ZnHA, were added at a level of 4 and 8 kg ha-1

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Bekele, Desta. "Response of Potato (Solanum tuberosum L) Varieties to Blended NPSZnB and Potassium Chloride Fertilizers Rates at Assosa District, Western Ethiopia." Global Academic Journal of Agriculture and Biosciences 6, no. 05 (2024): 106–14. http://dx.doi.org/10.36348/gajab.2024.v06i05.001.

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Potato production is constrained by a number of biotic and abiotic factors, among which poor soil fertility is the prime one. Thus, the objectives of the study were to evaluate effect of NPSZnB plus potassium chloride rates fertilizer on growth performance, yield and yield components of potato and to determine optimum fertilizer rate and economically feasible for potato production at target Assosa areas. The experiment was laid out in RCBD with split plot arrangement with three replications. Two potato varieties, Belete and Gudane were assigned to main plot whereas six blended NPSZnB with pota

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Lubich, V., V. Nevlad та A. Martyniuk. "Spring triticale productivity at diﬀerent doses of nitrogen fertilizers". Agrobìologìâ, № 1(171) (24 червня 2022): 152–59. http://dx.doi.org/10.33245/2310-9270-2022-171-1-152-159.

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Mineral nutrition improvement contributed signifcantly to spring triticale grain yield. On average, during the two years of research, the use of 30–210 kg/ha of active ingredient of nitrogen fertilizers increased it to 6.50–8.36 t/ha or by 14–46 % compared to unfertilized plots (5.71 t/ha). The stability index of yield formation was high – 0.92–0.95. Weather conditions in research years were different. The precipitation level in April – June 2014 made 442.7 mm, and in 2015 – 87.5 mm. In 2014, the application of N30–210 signifcantly increased the grain yield – by 0.81–2.66 t/ha, and in 2015 – b

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Madaminovich, Polvonov Khurshid. "Mineral Fertilizers." American Journal of Applied sciences 03, no. 04 (2021): 214–19. http://dx.doi.org/10.37547/tajas/volume03issue04-30.

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Importance of mineral fertilizers. Mineral fertilizers and their types. Nitrogen fertilizers and their types. Potassium and phosphorus fertilizers. General rules of application of mineral fertilizers.

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Tobing Lukiyono, Yauwan, Edza Aria Wikurendra, Salfa Salsabilah Zain, and Satriyo Siswo Utomo. "Nutrient analysis of fermented chicken feather fertilizer waste using Bacillus subtilis on the growth of green spinach (Amaranthus tricolor)." Bali Medical Journal 12, no. 3 (2023): 2855–58. http://dx.doi.org/10.15562/bmj.v12i3.4444.

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Introduction: Farmers generally provide NPK chemical fertilizers (Nitrogen, Phosphorus, Potassium) to provide nutrients for green spinach plants. However, the use of NPK chemical fertilizers harms the environment. Nowadays, chicken feathers are known as beneficial for fertilizing plants, similar to NPK chemical fertilizers. Fermentation of chicken feathers by Bacillus sp. can improve the quality of protein in chicken feather fertilizers which can be used as a supplement in renewing soil conditions. Thus, this study is aimed to evaluate the nutrient component of fermented chicken feather fertil

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Elkosary, S., S. F. El-Sharabasy, A. M. Abdallatif, and M. M. Amin. "Enhancing yield and fruit quality of date palm (Phoenix dactyllifera L., cv. Zaghloul) using nitrogen and potassium nano-fertilizer." Journal of Applied Horticulture 24, no. 03 (2023): 306–12. http://dx.doi.org/10.37855/jah.2022.v24i03.54.

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The present investigation was carried out during two successive seasons of 2018 / 2019 and 2019/ 2020 on 15 years old date palm trees of Zaghloul cv. grown in sandy soil in a private orchard at El-Behira governorate, Egypt. The research was aimed to investigate the effect of nitrogen and potassium nano-fertilizers comparing with conventional mineral fertilizers on yield and fruit quality, four doses of nitrogen and potassium nano-fertilizer (75, 150, 300 and 600g/ palm/ year) were applied compared to the conventional nitrogen and potassium mineral fertilizers as a control. Different fertilizat

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Halla Arshad Ali. "The usage of different fertilizer type in same soil character ization improvements in Tikrit." Tikrit Journal of Pure Science 20, no. 3 (2023): 5–11. http://dx.doi.org/10.25130/tjps.v20i3.1180.

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This study included the effected of using different types of organic fertilizer in some soil chemical characterization productivity of okra plant. The experiment were designed according (R.C.B.D), with three replicates by using fertilizers remnants of cows and poultry, sludge were used. Three levels(10,20,40) ton/hectare were used in comparison with different levels of mineral fertilizer (150+115+115), (230+230+300), (460+460+600) Kg/hectare .This treatment resulted in reduction of soil organic materials, which approached 2.53% as compared with organic fertilizers and increased, phosphorus and

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Ying-hai, Li. "Quality of Reclaimed Domestic Water Irrigated Peppers - NPK Coupling Model and Optimized Combination Solution." Journal of Agricultural Science and Agrotechnolog 1, no. 1 (2022): 1–12. http://dx.doi.org/10.56391/jasa.2022.1004.

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Focusing on the coupling between the NPK content in Reclaimed domestic water irrigated peppers and capsaicin, a field experiment in the three-factor, five-level quadratic general revolving combination design was conducted for an in-depth analysis of capsaicin content coupling model by testing the significance of regression equation and coefficient with regression equation. The test result shows that : (1) factors affecting the content of capsaicin are in order of nitrogen fertilizer application level (x1) > nitrogen fertilizer application level (x2) > potassium fertilizer application lev

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P, Suarya, Sudiarta I. W, and Krisjayanto H. "PATTERN OF POTASSIUM RELEASE FROM SLOW RELEASE FERTILIZER POTASSIUM SULFATE-BENTONITE FERTILIZER." Jurnal Ilmu Pendidikan Indonesia 11, no. 1 (2023): 34–41. http://dx.doi.org/10.31957/jipi.v11i1.2750.

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Potassium is a macro nutrient element that is needed by plants. Potassium plays a role in plant metabolism, maintains turgor, and forms stronger stems. Sadly. Potassium is easily lost through washing because it is easily soluble in water. This is what triggers plants to often experience a lack of potassium. Efficiency in the use of potassium fertilizers can be increased through the formulation of fertilizers made in the form of slow release (Slow Release Fertilizer), namely by controlling the solubility of the substance in water through fertilizer coating. The purpose of this study was to dete

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Dzida, Katarzyna, Zenia Michałojć, Zbigniew Jarosz, Karolina Pitura, and Natalia Skubij. "EFFECT OF POTASSIUM FERTILIZATION ON YIELD, GROWTH AND CHEMICAL COMPOSITION OF BASIL HERB." Acta Scientiarum Polonorum Hortorum Cultus 17, no. 6 (2018): 135–45. http://dx.doi.org/10.24326/asphc.2018.6.14.

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In the cultivation of herbal plants, besides the size of the crop, the quality of obtained raw material is extremely important, which is proven not only by the appearance and taste, but also biological value. Factors that affect these parameters include plant nutrition. The main nutrient affecting the correct course of metabolic processes in a plant is potassium. To obtain high yield in terms of quantity and quality, the nutritional requirements of plants must be met. The aim of the study was to determine the effect of potassium nutrition on the quality of basil herb. The experiment was establ

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Sun, Ping. "Effects of rapeseed cake fertilizer on soil bacterial diversity and community structure in peach orchards." Pakistan Journal of Agricultural Sciences 60, no. 01 (2023): 01–08. http://dx.doi.org/10.21162/pakjas/23.92.

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In the cultivation process, the application of organic fertilizers instead of chemical fertilizers can effectively improve soil structure, soil fertility, nutrient absorption, and fruit quality. In this study, the effects of potassium fulvic acid and compound microbial inoculant in rapeseed cake fertilizer on soil bacteria in peach orchard were investigated. The results showed that the application of rapeseed cake fertilizer significantly increased the abundance of beneficial bacteria in the soil. The results of functional prediction showed that rapeseed cake fertilizer and potassium fulvic ac

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Zhantasov, K. T., Z. U. Myrhalykov, S. M. Moldabekov, et al. "Agronomical Field Testing of New Kinds of Multicomponent Mineral Fertilizers." Eurasian Chemico-Technological Journal 17, no. 1 (2014): 79. http://dx.doi.org/10.18321/ectj197.

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Analysis of modern scientific literature and patents has shown the absence of acid-free production technology of a mechanically activated multicomponent mineral fertilizer containing water-holding substances. Experimental researches connecting with mechanochemical activation and physicochemical properties of Karatau phosphorites prove a possibility of development of a new multicomponent mineral fertilizer. Application of inorganic and organic activators considerably improves qualities of fertilizers because the developed fertilizer mixtures contain nitrogen, phosphorus, potassium, humate and m

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Setyowati, Endang, Samanhudi Samanhudi, and Muji Rahayu. "Pemberian Pupuk Nano NPK Organik Terhadap Hasil Bawang Merah." Agrosains : Jurnal Penelitian Agronomi 26, no. 2 (2025): 80. https://doi.org/10.20961/agsjpa.v26i2.97626.

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<p><em>The continuous use of chemical fertilizers can reduce nutrient absorption efficiency and contribute to gas emissions that trigger global warming. One solution to increase nutrient absorption efficiency is to use nano fertilizers. This study aims to evaluate the effect of organic NPK nano fertilizer application on shallot yield. The research was conducted using a completely randomized design (CRD) arranged in a factorial design, consisting of two treatment factors with 12 treatment combinations repeated three times. Fertilization of shallot plants by applying nano NPK fertili

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Aliloo, A. A. "Potassium Sulfate Improved Early Growth of Wheat under Controlled Conditions." Cercetari Agronomice in Moldova 48, no. 4 (2015): 21–28. http://dx.doi.org/10.1515/cerce-2015-0049.

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Abstract Experiments were conducted to evaluate NPK fertilizer effects on early growth of wheat (Triticum aestivum variety Azar-2). Chemical fertilizers including urea (100, 200, 300, 400, 500 and 1000 mg.L-1), triple superphosphate (10, 20, 30, 30 and 60 mg.L-1) and potassium sulfate (100, 200, 300, 400 and 800 mg.L-1) were used along with control in three replications. The used concentrations imitate possible status of the fertilizers in the soil solutions. The results showed that fertilizers did not alter seed germination percentage. However, there was a significant influence on seedling pe

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Saydyasheva, Galina, and Kseniya Zayceva. "EFFICIENCY OF THE MODIFIED FERTILIZER AND MICROBIOLOGICAL PREPARATION ON SPRING BARLEY IN THE CONDITIONS OF THE FOREST-STEPPE OF THE VOLGA REGION." Vestnik of Kazan State Agrarian University 16, no. 2 (2021): 39–42. http://dx.doi.org/10.12737/2073-0462-2021-39-42.

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Studies to determine the effect of mineral, biomineral fertilizers and biological products on the content of nutrients (nitrogen, phosphorus and potassium) during the growing season in spring barley plants were carried out in 2015-2017 on leached heavy loam chernozem of Ulyanovsk region. The soil of the experimental site contained: humus 6.43...6.62 % (according to Tyurin), total nitrogen-0.26 % (according to Kjeldahl), mobile phosphorus and potassium-214 ... 228 and 101...117 mg/kg of soil, respectively (according to Chirikov), pHKCl – 6.3...6.8 (GOST 26483-85), hydrolytic acidity – 1.20...1.

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Ali, Maha M. E., Spyridon A. Petropoulos, Daila AbdelFattah Fattah H. Selim, et al. "Plant Growth, Yield and Quality of Potato Crop in Relation to Potassium Fertilization." Agronomy 11, no. 4 (2021): 675. http://dx.doi.org/10.3390/agronomy11040675.

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The present work evaluated the effect of soil (S) and foliage (F) applied potassium on the growth, yield, and quality of potato plants. Potassium was added in soil at the recommended rate for all the treatments combining mineral fertilizers with K-feldspar and biofertilizers, while foliar spraying included the application of potassium citrate (PC), potassium silicate (PS), and monopotassium phosphate (MP). The obtained results showed that plant height was highest following treatment with 100% mineral potassium fertilizer under the foliar application of MP, while the content of P, K, and total

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Korsun, S. H., A. V. Davydiuk, and V. V. Hirnyk. "The effect of fertilizing systems on the potassium capacity of dark gray soil." Interdepartmental thematic scientific collection "Agriculture" 2, no. 95 (2018): 35–41. http://dx.doi.org/10.31073/zem.95.35-41.

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Purpose. Identify the features of changes in the factor of potassium capacity of dark gray soil under long-term systematic application of different doses of mineral and organic fertilizers. Methods. Field, laboratory, mathematical and statistical. Results. At various intensities of fertilizer systems and fertilizer ratios, it has been established that the long (30 years) use of organic and mineral fertilizers contributed not only to stabilization but also to the restoration of the stock of moving potassium in the arable soil layer in comparison with the initial data (1987).The growth of mobile

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kizi, Kodirova Vazirakhon Khokimjon. "EFFECT OF FOLIAR FEEDING OF POTASSIUM FERTILIZER ON THE NUMBER OF STEM AND STORAGE RATE OF HEMP VARIETY “UZBEK-2268”." American Journal Of Agriculture And Horticulture Innovations 4, no. 6 (2024): 35–38. http://dx.doi.org/10.37547/ajahi/volume04issue06-07.

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In this article, the effect of foliar feeding of potassium fertilizer on the background of mineral fertilizers on the number of stems and the level of preservation of hemp variety “Uzbek-2268” has been proven. Against the background of mineral fertilizers in the experiment, potassium mineral fertilizer was applied to the level of preservation of the number of stems at the end of the vegetation period in the variant given at 48 kg/ha in the phases of 2-3 true leaves of the hemp plant, budding-flowering and flowering-fruiting, it was found that it was 171.2 thousand bushes/ha, showing a high res

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Mulyani, Oviyanti, Benny Joy, and Rizkiyani Remona. "Perbandingan Respon Tanaman Terhadap Aplikasi Pupuk Majemuk: Analisis dan Temuan Utama." soilrens 22, no. 1 (2024): 28–36. https://doi.org/10.24198/soilrens.v22i1.57233.

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The use of compound inorganic fertilizers in plant cultivation systems is on the rise because of their practicality, more comprehensive and homogeneous nutrient availability, and potential to reduce production costs. Different combinations of compound fertilizer products can generate a variety of responses in terms of plant growth. The aim of this investigation was to assess how plants responded to the components of their results, specifically the variations in two distinct compositions of compound fertilizers. This investigation divided 60 experimental sites into two groups, each using two di

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Wang, Manman, Youliang Ye, Xv Chu, et al. "Responses of Garlic Quality and Yields to Various Types and Rates of Potassium Fertilizer Applications." HortScience 57, no. 1 (2022): 72–80. http://dx.doi.org/10.21273/hortsci15984-21.

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Potassium (K) is a critical plant nutrient that determines quality in a myriad of crops and increases production yields. However, excessive application of various types of K fertilizers can decrease both the food quality and yields, which translates as economic losses and food safety issues. The objectives of this study were to 1) elucidate the impacts of different application rates of various K fertilizers on garlic, with the aim to identify the optimal and most economical K fertilizer dosage and 2) compare the effects of applying two common K fertilizers (KCl and K2SO4) on garlic, to determi

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Vasbieva, M. T. "Influence of increasing doses of nitrogen fertilizers on the productivity of field crops and the potassium regime of sod-podzolic soil." Agrohimiâ, no. 11 (November 30, 2024): 12–18. https://doi.org/10.31857/s0002188124110021.

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In a long-term experiment launched in 1972 on sod-podzolic heavy loamy soil, the effect of increasing doses of nitrogen fertilizers on the productivity of field crops and the potash regime of the soil was studied. The scheme of the experiment included the following options: without fertilizers, P60K60 (background), background + N30, background + N60, background + N90, background + N120. The analysis of crop yields in the 6th rotation of the crop rotation (2013–2019) showed that the most effective application for spring crops (wheat, barley, oats) was N30P60K60, for potatoes – N60P60K60. The hi

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Mykolaiko, I., and L. Karpuk. "Mustard seeds yield depends on the mineral fertilizers application." Agrobìologìâ, no. 1(187) (May 24, 2024): 188–95. http://dx.doi.org/10.33245/2310-9270-2024-187-1-188-195.

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According to the research results, the formation features of yield structure elements and mustard seeds yield depending on the application of mineral fertilizers were revealed. It has been established that phosphorus-potassium fertilizers application both basal one and together with foliar fertilization with nitrogen fertilizers, provided a significant increase in plant height in all phenological phases of developmental stages of mustard plants. The increase in plant height was significantly smaller in the control, and the largest – with the combined application of basal fertilizer with the no

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Ballot, Christiant Simplice Armand, Silla Semballa, Wouyo Atakpama, et al. "Effet De Fumures Minérales Sur Le Rendement Et La Qualité Organoleptique Du Manioc (Manihot Esculenta Crantz) Dans La Zone De Savane Au Centre-Sud De Centrafrique." European Scientific Journal, ESJ 12, no. 6 (2016): 185. http://dx.doi.org/10.19044/esj.2016.v12n6p185.

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Aims - The farming intensification in Sub-Saharan Africa induced soil fertility and crop yields depletion such as cassava, a main food and an important source of income of farmers in Central Africa Republic. To transcend the soil fertility depletion and improve cassava yield, LaSBAD has initiate a study focused on the mineral fertilizers of cassava crops. Methods - Four types of fertilizer were tested: the urea (Co(NH2)2), the potassium sulfate (K2SO4), the potassium chloride (KCl) and the triple superphosphate (TSP). The methodology consisted in the physical and chemical analysis of soil, the

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Roeva, Tatyana, and Elena Leonicheva. "The effect of mineral fertilizers on the seasonal dynamics of exchangeable potassium in the orchard soil and the potassium status of sour cherry trees." BIO Web of Conferences 36 (2021): 04001. http://dx.doi.org/10.1051/bioconf/20213604001.

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The study was conducted to assess the impact of mineral fertilizers applied to the soil on the potassium level in the components of the “soil-plant” system of the sour cherry orchard. The experiment was conducted in the forest-steppe zone of the Central Russian Upland (Orel region) on loamy Haplic Luvisol during 2018-2020. The seasonal dynamics of exchangeable potassiumin the soil, the potassium status and productivity of sour cherry trees cv. ‘Turgenevka’ on the rootstock V-2-180 were studied in the orchard of 2015 planting. Fertilizers in the form of (NH2)2CO and K2SO4 were applied annually

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Kirpichnikov, N. A., S. P. Bizhan, and V. V. Tribelgorn. "Effect of Phosphorus and Magnesium Fertilizers on Mineral Nutrition and Yield of Winter Wheat depending on Liming of Sod-Podzolic Soil." Агрохимия, no. 6 (August 15, 2024): 29–33. http://dx.doi.org/10.31857/s0002188124060046.

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In long-term field experience on strongly acidic, poorly cultivated sod-podzolic soil, high efficiency of phosphorus fertilizers combined with magnesium and liming in the cultivation of winter wheat of the Moskovskaya 56 variety was revealed. Under these conditions, the content of nitrogen, phosphorus and magnesium in plants in the flowering phase increased. Improving the mineral nutrition of plants in this case provided the highest yield (75.3 c/ha), exceeding the background level of nitrogen-potassium fertilizers by 2.7 times, the payback of mineral fertilizers (NPK) increased by 2.5 times,

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Arslan, Musa, and Adem Aksoy. "Economic Analysis of Chemical Fertilizer Use In TRA1 Region." Türk Tarım ve Doğa Bilimleri Dergisi 12, no. 2 (2025): 441–49. https://doi.org/10.30910/turkjans.1629180.

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This study aims to examine the agricultural enterprises' use of fertilizers in the TRA1 region enterprise levels, analyzing farmers' knowledge, attitudes, and behaviors regarding fertilizer use. The study, conducted in the TRA1 region (Erzurum, Erzincan, Bayburt), involved interviews with 570 agricultural enterprise owners. Data were collected regarding fertilizer preferences, farmers' awareness levels in fertilization applications, and the factors influencing their choices. It was determined that enterprises primarily use nitrogenous fertilizers, followed by phosphate fertilizers, compound fe

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Fernández-Sanjurjo, M. J., E. Alvarez-Rodríguez, A. Núñez-Delgado, M. L. Fernández-Marcos, and A. Romar-Gasalla. "Nitrogen, phosphorus, potassium, calcium and magnesium release from two compressed fertilizers: column experiments." Solid Earth 5, no. 2 (2014): 1351–60. http://dx.doi.org/10.5194/se-5-1351-2014.

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Abstract. The objective of this work was to study nutrients release from two compressed nitrogen–potassium–phosphorous (NPK) fertilizers. In the Lourizán Forest Center, tablet-type controlled-release fertilizers (CRF) were prepared by compressing various mixtures of fertilizers without covers or binders. We used soil columns (50 cm long and 7.3 cm inner diameter) that were filled with soil from the surface layer (0–20 cm) of an A horizon corresponding to a Cambic Umbrisol. Tablets of two slow-release NPK fertilizers (11–18–11 or 8–8–16) were placed into the soil (within the first 3 cm), and th

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Fan, Heling, Yanshu Zhang, Jingchen Li, et al. "Effects of Organic Fertilizer Supply on Soil Properties, Tomato Yield, and Fruit Quality: A Global Meta-Analysis." Sustainability 15, no. 3 (2023): 2556. http://dx.doi.org/10.3390/su15032556.

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The increased use of chemical fertilizer input in agricultural production and the promotion of sustainable agriculture encourage researchers around the globe to undertake experiments regarding application of organic fertilizers on tomato production. This study aims to amalgamate the comprehensive effects of organic fertilizer application compared with the pure application of chemical fertilizers (100% CF) on soil properties, tomato yield, and fruit quality through meta-analysis. It helps to provide a certain reference for the sustainable development of circular agriculture systems in tomato pl

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