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Journal articles on the topic 'Ammonite Pottery'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Khairy, Nabil, and Randa Kakish. "POTTERY VESSELS FROM A NEWLY DISCOVERED AMMONITE DOVECOTE AT AIN AL-BAIDA, AMMAN." Palestine Exploration Quarterly 145, no. 3 (2013): 220–30. http://dx.doi.org/10.1179/0031032813z.00000000046.

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Shevnina, Irina Victorovna, and Tatyana Nikolaevna Loshakova. "Some results of petrographic studies of ceramics from the settlement Toksanbay." Samara Journal of Science 6, no. 3 (2017): 216–22. http://dx.doi.org/10.17816/snv201763222.

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The research is devoted to the studies of raw materials and molding masses of ceramic products from the settlement Toksanbay. The purpose of the research was to study the technological aspects taking place in the course of ceramic vessels production, as well as in-depth study of the raw materials and molding masses of pottery ceramics of the settlement. During the research of samples, in addition to petrographic analysis, fragments of ceramics were studied using the binocular microscopy method, chemical experiments were carried out (using a micromethod) with the use of ammonium molybdenum, hyd

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3

Devenish, David C. "Lost & Found: 214. Jurassic ammonites from Gibraltar collected by AIan L. GREIG (d. 1988)." Geological Curator 6, no. 1 (1994): 32. http://dx.doi.org/10.55468/gc183.

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GCG 5(6), p. 23 1 David C. Devenish (Wisbech and Fenland Museum, Museum Square, Wisbech,CambridgeshirePE13 IES) writes: In about 1968, while Curator of the Gibraltar Museum, I examined a small storeroom (c. 10' square) filled with archaeological and geological specimens from Gibraltar which, I was informed, belonged to an Army Officer who had "disappeared under mysterious circumstances" about 20 years before. I arranged for the archaeological items (mainly Phoenician pottery) to be sent to the Gibraltar Museum, but the number of rock specimens was so excessive (a few c.w.t. at least) that I co

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MacDonald, William N., M. James Tsujita, Theo J. Blom, and Barry J. Shelp. "Impact of : ratio and nitrogen supply on nitrogen remobilization in potted chrysanthemum grown in a subirrigation system." Canadian Journal of Plant Science 94, no. 5 (2014): 867–80. http://dx.doi.org/10.4141/cjps2013-251.

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MacDonald, W. N., Tsujita, M. J., Blom, T. J. and Shelp, B. J. 2014. Impact of [Formula: see text]:[Formula: see text] ratio and nitrogen supply on nitrogen remobilization in potted chrysanthemum grown in a subirrigation system. Can. J. Plant Sci. 94: 867–880. Subirrigation is being adopted as an environmentally friendly strategy for managing the nutrition of potted greenhouse plants. Here, we investigated two strategies for enhancing the remobilization of N during the development of the inflorescence in subirrigated potted chrysanthemum (Chrysanthemum morifolium Ramat.) in an attempt to impro

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Elliott, George C., and Harvey J. Lang. "Effects of Fungicides on Nitrogen Transformations in Soilless Potting Media." Journal of the American Society for Horticultural Science 116, no. 6 (1991): 961–64. http://dx.doi.org/10.21273/jashs.116.6.961.

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Fungicides were applied at label rates to two commercial soilless potting media in which Iris siberica L. crowns had been potted and were subsequently grown under greenhouse conditions. Effects of fungicides on urea hydrolysis were inconsistent and generally insignificant. Ammonium oxidation was inhibited to varying degrees by Truban, Benlate, Banol, and Subdue. In a subsequent experiment, the same fungicides were added to cropped samples of the same media in vitro, followed 12 hours later by a solution containing urea and ammonium. Urea hydrolysis was essentially unaffected by fungicide treat

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6

Higashi, Shoji. "Ammonium-bearing mica and mica/smectite of several pottery stone and pyrophyllite deposits in Japan: their mineralogical properties and utilization." Applied Clay Science 16, no. 3-4 (2000): 171–84. http://dx.doi.org/10.1016/s0169-1317(99)00052-6.

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7

Kieliszewska-Rokicka, Barbara, and Maria Rudawska. "Influence of various sources of nitrogen on the growth of Scots pine seedlings and the IAA content in needles." Acta Societatis Botanicorum Poloniae 59, no. 1-4 (2014): 65–71. http://dx.doi.org/10.5586/asbp.1990.006.

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One year old pine seedlings transferred from the nursery and potted in a greenhouse were watered with nitrogen solutions of different form and concentration (urea 0.36 mM and 0.90 mM, ammonium tartrate 0.36 mM and 1.79 mM, calcium nitrate 0.36 mM, 1.79 mM and 3.58 mM). After 10 months the growth and IAA content in needles were compared. Nitrogen fertilization affected shoot growth considerably, but its effects on root growth were less pronounced. The highest shoot weight was obtained after application of ammonium tartrate in 1.79 mM concentration. The lowest concentration of urea (0.36 mM) cau

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8

Laws, M. Tiffany, and William R. Graves. "Nitrogen Inhibits Nodulation and Reversibly Suppresses Nitrogen Fixation in Nodules of Alnus maritima." Journal of the American Society for Horticultural Science 130, no. 4 (2005): 496–99. http://dx.doi.org/10.21273/jashs.130.4.496.

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Symbiotic associations between Alnus maritima (Marsh.) Muhl. ex Nutt. (seaside alder) and actinomycetes in the genus Frankia Brunchorst result in root nodules in which atmospheric nitrogen (N) is fixed. The economic and environmental benefits of N fixation have led to interest in inducing root nodules during production of A. maritima. Because woody plants produced in nurseries typically are provided N fertilizer, our objectives were to determine how applied N influences nodulation of A. maritima and to characterize how short-term changes in root-zone N affect the function of nodules. Potted se

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9

R.P, TABALE, NTEKIM E. E, OLASEHINDE A, and ABUBAKAR Y. "OCCURRENCE, GEOCHEMISTRY AND INDUSTRIAL QUALITY OF NAFADA GYPSYM DEPOSIT, NORTHEASTERN NIGERIA." BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041) 6, no. 03 (2022): 224–31. http://dx.doi.org/10.56892/bima.v6i03.69.

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Three varieties of gypsum deposits occur in numerous locations within the Senonian Fika Shale in Nafada area, northeastern Nigeria. Geological investigations at Gonja, Warum, Ganko, Shole, Sudingo, Gadi, Mada and Papa mines show the occurrence of the three varieties namely: Satinspar, Selenite and Alabaster. These gypsum deposits occur within the gypsiferous Fika Shale with thicknesses within the span of 1 to 6 cm and depth of 0.2 to 15 meters. The gypsum are hosted within veins sometimes criss - crossing in some locations, pores and fractures inter layered within the fissile Fika Shale interc

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Creger, Timothy L., and Frank J. Peryea. "PHOSPHATE FERTILIZER INFLUENCES PHYTOAVAILABILTY OF SOIL ARSENIC AND LEAD TO APRICOT (Prunus armeniaca)." HortScience 25, no. 9 (1990): 1160f—1160. http://dx.doi.org/10.21273/hortsci.25.9.1160f.

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Fruit trees grown in soils contaminated with lead arsenate (PbHAsO4) pesticide residues are subject to arsenic (As) phytotoxicity, a condition that may be exacerbated by use of phosphate fertilizers. A potted soil experiment was conducted to examine the influence of phosphate fertilizer on accumulation of As and lead (Pb) in apricot (Prunus armeniaca) seedlings grown in a lead arsenate-contaminated Burch loam coil. Treatments were fertilizer source (mono-ammonium phosphate [MAP], ammonium hydrogen sulfate [AHS]) and rate (0, 8.7, 17.4, and 26.1 -mmol/liter), and presence/absence of lead, arsen

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Zhang, Xiaolan, Xuan Shan, Hongdan Fu, and Zhouping Sun. "Effects of artificially-simulated acidification on potential soil nitrification activity and ammonia oxidizing microbial communities in greenhouse conditions." PeerJ 10 (October 3, 2022): e14088. http://dx.doi.org/10.7717/peerj.14088.

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Background Nitrification can lead to large quantities of nitrate leaching into the soil during vegetable production, which may result in soil acidification in a greenhouse system. A better understanding is needed of the nitrification process and its microbial mechanisms in soil acidification. Materials and Methods A simulated acidification experiment with an artificially manipulated pH environment (T1: pH 7.0; T2: pH 6.5; T3: pH 6.0; T4: pH 5.5; T5: pH 4.5) was conducted in potted tomatoes grown in greenhouse conditions. The abundance and community structures of ammonia oxidizers under differe

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Dil, Matthew, Maren Oelbermann, and Wei Xue. "An evaluation of biochar pre-conditioned with urea ammonium nitrate on maize (Zea mays L.) production and soil biochemical characteristics." Canadian Journal of Soil Science 94, no. 4 (2014): 551–62. http://dx.doi.org/10.4141/cjss-2014-010.

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Dil, M., Oelbermann, M. and Xue, W. 2014. An evaluation of biochar pre-conditioned with urea ammonium nitrate on maize (Zea mays L.) production and soil biochemical characteristics. Can. J. Soil Sci. 94: 551–562. Biochar can enhance soil fertility, plant nutrient uptake and crop production. Using a potted study, we quantified the effects of adding biochar at 1 t ha−1 (Char), biochar pre-conditioned with urea ammonium nitrate [UAN (Char+)], or UAN only to a control (Contr) with no amendments on maize (Zea mays L.) biomass production, tissue carbon (C) and nitrogen (N) concentrations, N uptake (

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13

Dong, Shufu, Lailiang Cheng, and L. H. Fuchigami. "289 Ammonium Ion Uptake by Feeder and Extension Roots of MM106 Apple Rootstock." HortScience 34, no. 3 (1999): 492B—492. http://dx.doi.org/10.21273/hortsci.34.3.492b.

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New roots of Malus domestica Borkh MM106 apple rootstock were divided into two categories, 1) feeder roots and 2) extension roots based on morphology and their ability to take up NH4+, were studied. The roots were harvested in August from 1-year-old potted plants growing under natural conditions in Corvallis, Ore. Extension roots were thicker and longer than feeder roots. Average diameter and length were 0.89 and 45.29 mm for extension roots and 0.27 and 5.36 mm for feeder roots. Root special length (cm/g FW) and surface area (cm2/g FW) were 11.94 and 33.17 for extension roots and 108.97 and 9

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14

Ismunandar, Nadya Nurdini, Moh Mualliful Ilmi, Evi Maryanti, and Grandprix Thomryes Marth Kadja. "Investigation on the Crystal Structures of Hematite Pigments at Different Sintering Temperatures." Key Engineering Materials 874 (January 2021): 20–27. http://dx.doi.org/10.4028/www.scientific.net/kem.874.20.

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Hematite is one of the most stable oxide phases and has been used as a rock-art pigment material in the prehistoric era. Hematite in the form of ochre has been widely used in rock art, burial rites, cosmetics, and decorations on pottery surfaces. Hematite has several hues, ranging from red to black. The variety of hues might arise due to the differences in physicochemical properties of hematite such as crystallinity, crystallite size, morphology, and electronic structure. The differences in physicochemical properties in hematite pigments might be originated from the differences in the pretreat

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15

Hummel, Rita L., Charles R. Johnson, and Orville M. Lindstrom. "Root and Shoot Growth Response of Three Container-Grown Kalmia latifolia L. Cultivars at Two Locations to Growing Medium and Nitrogen Form." Journal of Environmental Horticulture 8, no. 1 (1990): 10–13. http://dx.doi.org/10.24266/0738-2898-8.1.10.

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Abstract Rooted liners of Kalmia latifolia L. ‘Elf’, ‘Freckles’ and ‘Goodrich’ were shipped to Griffin, Georgia, and Puyallup, Washington and were potted into 3.8 liter (# 1) containers. Factorial combinations of growing media (1 bark: 1 peat, 4 bark: 1 peat), NO3/NH4 ratios (100% NO3/0% NH4, 60% NO3/40% NH4, 20% NO3/80% NH4), and rates of N (40, 80, and 120 mg N/pot; 0.0014, 0.0028, and 0.0042 oz N/pot, resp.) were applied at both locations. Results indicated that a combination of the nitrate/ammonium forms of nitrogen (60/40 NO3/NH4) and the 80 mg/pot N rate produced the best overall shoot a

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16

Tyler, Helen H., Stuart L. Warren, Ted E. Bilderback, and William C. Fonteno. "Composted Turkey Litter: I. Effect on Chemical and Physical Properties of a Pine Bark Substrate." Journal of Environmental Horticulture 11, no. 3 (1993): 131–36. http://dx.doi.org/10.24266/0738-2898-11.3.131.

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Abstract Cotoneaster dammeri C.K. Schneid. ‘Skogholm’ and Hemerocallis sp. ‘Red Magic’ plants were potted into a pine bark substrate amended with 0, 4, 8, 12, or 16% (by vol.) composted turkey litter and were grown under 1-, 2-, or 3-day irrigation frequencies. Compost increased container capacity and available water 12-16% and 17-30%, respectively, compared to pine bark alone (0% compost). Unavailable water and bulk density increased with increasing compost rate, while air space decreased. Total porosity was unaffected by compost addition. Substrate solutions were extracted from the ‘Skogholm

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17

Radwan, M. A., J. S. Shumway, D. S. DeBell, and J. M. Kraft. "Variance in response of pole-size trees and seedlings of Douglas-fir and western hemlock to nitrogen and phosphorus fertilizers." Canadian Journal of Forest Research 21, no. 10 (1991): 1431–38. http://dx.doi.org/10.1139/x91-202.

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Three experiments were conducted to determine effects of N and P fertilizers on growth and levels of plant-tissue nutrients of Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) and western hemlock (Tsugaheterophylla (Raf.) Sarg.). Both pole-size trees in closed-canopy stands and potted seedlings were used. Soil series were Bunker for Douglas-fir and Klone for western hemlock in experiments 1 and 3, and Vesta in experiment 2. For each species in experiments 1 and 2, P and N fertilizers were tested in six or eight treatments using factorial design. In experiment 3, N and P fertilizers were indiv

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18

Tyler, Helen H., Stuart L. Warren, and Ted E. Bilderback. "Cyclic Irrigation Increases Irrigation Application Efficiency and Decreases Ammonium Losses." Journal of Environmental Horticulture 14, no. 4 (1996): 194–98. http://dx.doi.org/10.24266/0738-2898-14.4.194.

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Abstract Cyclic irrigation using pressure compensated drip emitters was evaluated for irrigation application efficiency, nutrient efficacy, and plant growth. The experiment, a RCBD with four replications was conducted in a simulated nursery using high volumes of irrigation which are common in container-grown ornamental nurseries in the southeastern United States. A container-grown plant production area, subdivided into 16 separate plots, allowed for the collection of all irrigation water leaving each plot. Rudbeckia fulgida Ait. ‘Goldsturm’ and Cotoneaster dammeri Schneid. ‘Skogholm’ plants we

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Zanotelli, Damiano, Massimo Tagliavini, Marta Petrillo, and Carlo Andreotti. "Foliar and root uptake of N deriving from simulated atmospheric N depositions in potted apple (Malus domestica) trees." Italus Hortus 28, no. 3 (2021): 13–24. http://dx.doi.org/10.26353/j.itahort/2021.3.1324.

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A significant human-driven increment of the available reactive nitrogen (Nr) forms has occurred during the past century at the global scale, which in turn has increased the amount of Nr deposition. Grafted apple trees (Gala / M.9 strain T337) were used in a pot experiment conducted in semicontrolled conditions, where the 15N-labelling technique allowed to trace the fate of N from ammonium nitrate (15NH4 15NO3, isotopic enrichment: 10.3 atoms %) distributed at three increasing rates (N1, N2, N4, where N2 is the double of N1 and N4 is the double of N2) either to soil or to canopy (foliar applica

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Wu, Di, Xiao-Ling Wang, Xi-Xia Zhu, et al. "Effect of Ammonia-Oxidizing Bacterial Strains That Coexist in Rhizosphere Soil on Italian Ryegrass Regrowth." Microorganisms 10, no. 11 (2022): 2122. http://dx.doi.org/10.3390/microorganisms10112122.

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Potted Italian ryegrasses (Lolium multiflorum L.) were used to investigate the effect of ammonia-oxidizing bacterial (AOB) strain that coexisted in rhizosphere soil on Italian ryegrass regrowth. The results showed that the isolated and screened AOB strain (S2_8_1) had 100% similarity to Ensifer sesbaniae. The inoculation of S2_8_1 on day 44 before defoliation caused its copy number in rhizosphere soils to increase by 83–157% from day 34 before defoliation to day 14 after defoliation compared with that in Italian ryegrass without S2_8_1 inoculation, indicating that S2_8_1 coexisted permanently

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Altland, James E., and James C. Locke. "Gasified Rice Hull Biochar is a Source of Phosphorus and Potassium for Container-Grown Plants2." Journal of Environmental Horticulture 31, no. 3 (2013): 138–44. http://dx.doi.org/10.24266/0738-2898.31.3.138.

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Biochar materials have been reported to improve the chemical, physical, and biological properties of mineral soils and soilless substrates. The objective of this research was to determine the effect of gasified rice hull biochar (GRHB) on available nutrients in a container substrate. Two experiments were conducted in a glasshouse with geranium (Pelargonium xhortorum ‘Maverick Red’) in 10 cm (4 in) pots. Geranium were potted in commercial soilless medium (Sunshine Mix #2) amended with 0 to 10% GRHB. Control pots were fertilized with a commercial complete liquid fertilizer (20N-4.4P-16.6K-0.15Mg

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Alleman, Dawn M., and Thomas C. Weiler. "167 COMPARISONS OF GREENHOUSE BENCHING / IRRIGATION SYSTEMS FOR WATER USE, FERTILIZER USE, AND CROP QUALITY WITH POINSETTIAS AND GERANIUMS." HortScience 29, no. 5 (1994): 452f—452. http://dx.doi.org/10.21273/hortsci.29.5.452f.

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Four experiments were conducted over 2 years focusing on water and fertilizer delivery methods with emphasis on minimal resource use. Poinsettia `Freedom', `Celebrate 2'. `Peppermint Pink', `Angelika White', `Lilo' and `Angelika Marble' and geranium `Kim', `Aurora', Ritz', and `Melody' cuttings were grown in 6 inch pots with peat-lite mix and were harvested at marketable size. Nitrogen efficiency was compared by replicating each irrigation treatment with soluble fertilizer (SF) and controlled release fertilizer (CRF). Crops grown with SF were started at 225ppm N for several weeks, then finishe

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Li, Lingling, Yuanyuan Xue, Hengsheng Wang, and Yansong Chen. "Effects of Chlortetracycline on the Growth of Eggplant and Associated Rhizosphere Bacterial Communities." Sustainability 15, no. 19 (2023): 14593. http://dx.doi.org/10.3390/su151914593.

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The widespread use of tetracycline antibiotics in the poultry and cattle sectors endangers both human health and the terrestrial ecosystem. Chlortetracyclines (CTCs), in particular, have been proven to affect soil microorganisms in addition to plants in the terrestrial ecosystem. In order to assess the effects of CTC on soil properties, eggplant growth, and soil microorganisms, a potted experiment was carried out in this study. CTC significantly reduced the levels of ammonium nitrogen (NH4+–N) and nitrite nitrogen (NO2−–N) in soil. Meanwhile, the eggplant’s growth was clearly hampered. CTC dra

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Li, Chao, Yaqi Liang, Qingfeng Miao, Xiang Ji, Pengcheng Duan, and Dong Quan. "The Influence of Microalgae Fertilizer on Soil Water Conservation and Soil Improvement: Yield and Quality of Potted Tomatoes." Agronomy 14, no. 9 (2024): 2102. http://dx.doi.org/10.3390/agronomy14092102.

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We aim to study the impact of microalgae fertilizer on soil nutrients, water conservation and crop yield and quality while also determining the optimal ratio of microalgae fertilizer to chemical fertilizer. Using “Xinoufen No.9” tomatoes as the test subject, we conducted pot experiments with four different treatments: control with 100% chemical fertilizer (CK), T1 (25% microalgae fertilizer + 75% regular chemical fertilizer), T2 (75% microalgae fertilizer + 25% regular chemical fertilizer) and T3 (100% microalgae fertilizer). The results show that an increased application of microalgae fertili

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Chun-hua, Xia, and Chen Jian-hua. "Effect of Oyster Shell Supplementation to the Culture Medium on Anthocyanin Content in the Spathe of Anthurium andraeanum Lind." HortScience 54, no. 11 (2019): 2050–55. http://dx.doi.org/10.21273/hortsci14249-19.

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Anthurium andraeanum Lind. is an economically important potted and fresh-cut flower species. However, reduced anthocyanin content under shaded cultivation impacts the color of the spathe, which has negative implications for the marketability of A. andraeanum. Thus, the present study evaluates the use of oyster shell supplementation to the cultivation medium for improving anthocyanin content. Appropriate calcium (Ca) can improve the activity of phenylalanine ammonia lyase (PAL), and PAL activity is positively correlated with anthocyanin content; nitrogen (N) and phosphorus (P) nutrients are clo

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Altland, James E., and Charles Krause. "Use of Switchgrass as a Nursery Container Substrate." HortScience 44, no. 7 (2009): 1861–65. http://dx.doi.org/10.21273/hortsci.44.7.1861.

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Loblolly pine (Pinus taeda L.) bark is the primary component of nursery container substrates in the eastern United States. Shortages in pine bark prompted investigation of alternative substrates. The objective of this research was to determine if ground switchgrass (Panicum virgatum L.) could be used for short production-cycle woody crops. Two experiments were conducted using ‘Paprika’ rose (Rosa L. ‘ChewMayTime’) potted in 15-cm tall and wide containers. In Expt. 1, substrates were composed of coarse-milled switchgrass (processed in a hammermill with 1.25- and 2.5-cm screens) amended with 0%,

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Vorster, Lizelle, Ruth C. Butler, Lauren Turner, et al. "The effect of nitrogen source and quantity on disease expression of Neonectria ditissima in apple." New Zealand Plant Protection 74, no. 2S (2021): S20—S33. http://dx.doi.org/10.30843/nzpp.2021.74.11748.

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The effects of nitrogen on the interaction between apple trees and European canker caused by Neonectria ditissima are not well understood. Previous field and laboratory studies have shown that nitrogen affects N. ditissima disease development, germination and germ-tube growth in vitro but the type of nitrogen source has not been examined in vivo. Therefore, the aim of this study was to determine the effects of root-applied nitrogen from different sources on the development of European canker on inoculated potted trees. One-year-old ‘Royal Gala’ trees were planted in a low-nitrogen growth subst

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Wang, Qing, Xinyu Zhang, Qiqi Xie, et al. "Exploring Plant Growth-Promoting Traits of Endophytic Fungi Isolated from Ligusticum chuanxiong Hort and Their Interaction in Plant Growth and Development." Journal of Fungi 10, no. 10 (2024): 713. http://dx.doi.org/10.3390/jof10100713.

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Endophytic fungi inhabit various plant tissues and organs without inducing evident disease symptoms. They can contribute positively to the growth of plants, bolster plants resilience to environmental and biological stresses, and facilitate the accumulation of secondary metabolites. These microbial resources possess significant developmental and utilization value in various applications. Hence, this study focused on exploring the plant growth-promoting (PGP) traits of 14 endophytic fungi from Ligusticum chuanxiong Hort (CX) and elucidating the effects and mechanisms that facilitate plant growth

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Faize, Mohamed, Lydia Faize, Nobuyo Koike, Masumi Ishizaka, and Hideo Ishii. "Acibenzolar-S-Methyl-Induced Resistance to Japanese Pear Scab Is Associated with Potentiation of Multiple Defense Responses." Phytopathology® 94, no. 6 (2004): 604–12. http://dx.doi.org/10.1094/phyto.2004.94.6.604.

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This study reports the mode of action of acibenzolar-S-methyl (ASM) against Japanese pear scab, caused by Venturia nashicola. Pretreatment of potted Japanese pear trees with ASM reduced scab symptoms and potentiated several lines of plant defense response. This included transcripts encoding polygalacturonase-inhibiting protein (PGIP) that were highly and transiently promoted after scab inoculation of plants pretreated with ASM, suggesting a possible role for defenses involved in direct interaction with the pathogen. The activity of the key enzyme of phenylpropanoid pathway, phenylalanine ammon

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Malyukova, Lyudmila S., Natalia G. Koninskaya, Yuriy L. Orlov, and Lidiia S. Samarina. "Effects of exogenous calcium on the drought response of the tea plant (Camellia sinensis (L.) Kuntze)." PeerJ 10 (August 29, 2022): e13997. http://dx.doi.org/10.7717/peerj.13997.

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Background Drought is one of the major factors reducing the yield of many crops worldwide, including the tea crop (Camellia sinensis (L.) Kuntze). Calcium participates in most of cellular signaling processes, and its important role in stress detection and triggering a response has been shown in many crops. The aim of this study was to evaluate possible effects of calcium on the tea plant response to drought. Methods Experiments were conducted using 3-year-old potted tea plants of the best local cultivar Kolkhida. Application of ammonium nitrate (control treatment) or calcium nitrate (Ca treatm

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Ahmad, Rafiq, Jianen Gao, Zhe Gao, Abdullah Khan, Izhar Ali, and Shah Fahad. "Influence of Biochar on Soil Nutrients and Associated Rhizobacterial Communities of Mountainous Apple Trees in Northern Loess Plateau China." Microorganisms 10, no. 10 (2022): 2078. http://dx.doi.org/10.3390/microorganisms10102078.

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Biochar application can enhance soil health and alter soil bacterial community structure. However, knowledge relating to biochar on soil nutrients of mountainous apple orchards and then assessing its effect on soil health, especially on soil microorganisms, is still scanty. Therefore, we evaluated the responses of six biochar treatments [Ck (0), T1 (2), T2 (4), T3 (6), T4 (8), and T5 (10) Mg hm−2] with a basal dose of chemical fertilizer on the soil nutrients under potted apple trees across 3, 6, 9, and 12 months, and then investigated the responses of the rhizobacterial communities. Experimen

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Radwan, M. A. "Effect of forest floor on growth and nutrition of Douglas-fir and western hemlock seedlings with and without fertilizer." Canadian Journal of Forest Research 22, no. 9 (1992): 1222–29. http://dx.doi.org/10.1139/x92-163.

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Experiments were conducted to determine the effects of four different forest soils on growth and shoot nutrients of potted Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) and western hemlock (Tsugaheterophylla (Raf.) Sarg.) seedlings, in absence and in presence of forest floor, and with and without N and P fertilizers. Nine-month-old seedlings from low-elevation seed sources were used, and seedlings were grown for 2 years in a roofed lathhouse. Soils were of the Klone, Vesta, Bunker, and Shelton series; Klone and Vesta soils, and Bunker and Shelton soils, were collected from western hemlock

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Wu, Qihua, Wenling Zhou, Diwen Chen, Jiang Tian, and Junhua Ao. "Biochar Mitigates the Negative Effects of Microplastics on Sugarcane Growth by Altering Soil Nutrients and Microbial Community Structure and Function." Plants 13, no. 1 (2023): 83. http://dx.doi.org/10.3390/plants13010083.

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Microplastic pollution in sugarcane areas of China is severe, and reducing the ecological risks is critical. Biochar has been widely used in soil remediation. This study aims to explore the effects and mechanisms of microplastics combined with or without biochar on sugarcane biomass, soil biochemical properties in red soil through a potted experiment. The results show that, compared with control (CK), treatments with microplastics alone reduced the dry biomass of sugarcane, soil pH, and nitrogen (N) and phosphorus (P) contents by an average of 8.8%, 2.1%, 1.1%, and 2.0%, respectively. Interest

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Kiljunen-Siirola, R., and A. Pajunen. "Production of container-grown nursery plants on capillary sand beds." Agricultural and Food Science 60, no. 7 (1988): 661–71. http://dx.doi.org/10.23986/afsci.72335.

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This study investigated the effect of growth medium on the growth of nursery plants in a capillary irrigation system, the use and amount of slow-release fertilizer for the fertilization of container-grown nursery plants, and the need fora base dressing with a slow release fertilizer. Also investigated were the effect of different concentrations of alkyl aryl trimethyl ammonium chloride solution (Gloquat C) in preventing rooting through, and the use of a watering control device based on measuring radiation energy in field conditions. The experiments on growth medium revealed that all the growth

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Xue, Dongxu, Yangyang Wang, Hong Sun, et al. "Effects of Soil Conditioner (Volcanic Ash) on Yield Quality and Rhizosphere Soil Characteristics of Melon." Plants 13, no. 13 (2024): 1787. http://dx.doi.org/10.3390/plants13131787.

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In this study, the effects of soil conditioners on the growth and development of melons and the rhizosphere soil environment were explored. The optimal amount of added soil conditioner was screened to solve the practical production problems of high-quality and high-yield thin-skinned melon. The melon variety “Da Shetou” was used as the material. Under the conditions of conventional fertilization and cultivation technology management, different soil conditioners were set up for potted melons. The effects of Pastoral soil (CK), 95% Pastoral soil + 5% volcanic ash soil conditioner (KT1), 85% Past

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Mayyas, Abdulraouf S., and Khaled A. Douglas. "ORGANIC RESIDUES IN IRON AGE II POTTERY VESSELS FROM JNENEH, JORDAN." May 1, 2015. https://doi.org/10.5281/zenodo.18356.

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This paper discusses the analysis and occurrence of organic residues in Iron Age II pottery sherds excavated at the site of Jneneh. Gas chromatography – mass spectrometry was used for separation and identification of organic constituents. Conventional solvent extraction and alkaline hydrolysis (saponification) were used for the extraction of residues preserved in their fabrics. Three sherds among six unwashed and unhandled sherds showed significant preservation of organic constituents derived from natural materials. The results provide data on the occurrence of beeswax that could have be

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Li, Changqing, Yahao Li, Jungang Yang, Bingrui Lian, Jiqing Wang, and Guoyuan Zou. "Regulating root structure of potted lettuce to magnify absorption from APP and UAN fertilizers." Frontiers in Plant Science 15 (May 31, 2024). http://dx.doi.org/10.3389/fpls.2024.1407984.

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IntroductionImprovement of root architecture is crucial to increasing nutrient acquisition.MethodsTwo pot experiments were conducted to investigate the effects of different concentrations of urea ammonium nitrate solution (UAN) and ammonium polyphosphate (APP) on lettuce root architecture and the relationship between roots and nitrogen (N) and phosphorus (P) absorption.ResultsThe results showed that lettuce yield, quality, and root architecture were superior in the APP4 treatment compared to other P fertilizer treatments. The N480 treatment (480 mg N kg-1 UAN) significantly outperformed other

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Gai, Zhijia, Lei Liu, Jingtao Zhang, Jingqi Liu та Lijun Cai. "Effects of exogenous α-oxoglutarate on proline accumulation, ammonium assimilation and photosynthesis of soybean seedling (Glycine max(L.) Merr.) exposed to cold stress". Scientific Reports 10, № 1 (2020). http://dx.doi.org/10.1038/s41598-020-74094-w.

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Abstract The objective of this study was to examine the effects of exogenous α-oxoglutarate on leaf proline accumulation, ammonium assimilation and photosynthesis of soybean when exposed to cold stress. To achieve this objective, exogenous α-oxoglutarate was sprayed to potted seedlings of Henong60 and Heinong48 at 0, 2.5, 5.0 and 7.5 mmol/L, identified as A0, A2.5, A5.0, and A7.5, respectively. Leaf samples were collected after cold stress of 24 h (S1 stage) and 48 h (S2 stage). The results indicated that exogenous α-oxoglutarate significantly enhanced leaf GS activity, NADP-GDH activity, glut

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Drüge, U. "Influence of pre-harvest nitrogen supply on post-harvest behaviour of ornamentals: importance of carbohydrate status, photosynthesis and plant hormones." European Journal of Horticultural Science, January 2000, 52–64. https://doi.org/10.1079/ejhs.2000/6607.

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Summary In this review, the potential role of carbohydrates, photosynthesis and the plant hormones ethylene, abscisic acid and cytokinins in nitrogen-affected post-harvest behaviour of ornamentals is discussed, differentiating between pre-harvest influences of nitrogen amount, nitrogen form and a secondary salt stress. The increasingly proposed function of the root as a sensor continuously monitoring root zone stress conditions is emphasized. Recently found interactions between sugars, cytokinins and light and between ammonium and ethylene in leaf senescence are considered as well as signal ef

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Yu, Hong-Wei, and Wei-Ming He. "Congeneric invasive versus native plants utilize similar inorganic nitrogen forms but have disparate use efficiencies." Journal of Plant Ecology, November 24, 2020. http://dx.doi.org/10.1093/jpe/rtaa085.

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Abstract Aims Soil inorganic nitrogen (N) has long been recognized to play an important role in plant invasions. Whilst comparing the N use strategies of multiple invasive versus native plant congeners along an entire N gradient is key to understanding plant invasion success, there are few related studies. Methods We conducted a potted experiment with six invasive and native congeneric pairs, which were subjected to 11 nitrate/ammonium (NO3 -/NH4 +) ratios (i.e. 100% NO3 - at one end and 100% NH4 + at the other end), each with low and high N levels. Each species-N combination was replicated ei

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Yonli, Hendi Hermann, Estelle Campagnac, Hadou Haro, et al. "Assessment of the Potential of Umbrella Thorn [Vachellia tortilis (Forssk.) Galasso & Banfi] for the Rehabilitation of Sub-Sahelian Mining Sites at Essakane, North-Eastern Burkina Faso." Frontiers in Ecology and Evolution 10 (March 14, 2022). http://dx.doi.org/10.3389/fevo.2022.804122.

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Establishment of plant communities at mine sites with significant disturbance depends upon factors such as the presence of efficient mycorrhizal fungi and rhizobia. Field and greenhouse experiments were conducted to assess growth performance of umbrella thorn as a potential tree species for reforestation of mine sites in arid areas. In the first experiment, seedlings were transplanted onto waste rock stockpile (WR) and tailings (TLG) with high arsenic (As) content on sites at the Essakane gold mine. Trees were assessed for growth and survival 3 years after planting. In experiment 2, soil was s

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Li, Meijia, Qiuxia Wang, Zhengbo Liu, Xiaoxi Pan, and Yayu Zhang. "Silicon application and related changes in soil bacterial community dynamics reduced ginseng black spot incidence in Panax ginseng in a short-term study." BMC Microbiology 19, no. 1 (2019). http://dx.doi.org/10.1186/s12866-019-1627-z.

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Abstract Background This study analyzed the effect of silicon (Si) application on the occurrence of ginseng black spot caused by Alternaria panax. We explored the differences in soil physical and chemical factors and microbial community structure following Si application as well as the key factors that affected the occurrence of ginseng black spot in soil. Potted Panax ginseng plants were used to assess the effect of Si treatment on ginseng black spot. Soil physical and chemical properties were comprehensively analyzed. Bacterial communities were analyzed using Illumina HiSeq sequencing target

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Harisa, Laila Dini, Dicky Aldian, Darmawan, and Masato Yayota. "The effect of the combined application of agricultural waste‐ and manure‐based biochar on soil properties, microbial abundance, CO₂ emissions and grass growth." Grassland Science, March 28, 2025. https://doi.org/10.1111/grs.70001.

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AbstractLivestock manure is usually used as an organic fertilizer, yet its direct application to soil can cause several environmental problems, including greenhouse gas (GHG) emissions, N2O emissions and nutrient runoff into ecosystems. Transforming animal manure (AM) into biochar may mitigate these problems. This study evaluated the effects of combining AM biochar and agricultural waste (AW) biochar made from rice husk on soil and forage properties under potted conditions (85 × 32 × 24.2 cm3 pot). Five biochar treatments (100AW, 75AW25AM, 50AW50AM, 25AW75AM and 100AM, as volumetric ratio) wer

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Wu, Chunze, Xing Wei, Chenghang Zhang, and Saima Khan. "The Syringe Pump Gas Distribution (SPGD) system: a simple and low-cost method for simulating NH3/15NH3 deposition." Frontiers in Plant Science 16 (March 28, 2025). https://doi.org/10.3389/fpls.2025.1460035.

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Ammonia (NH3) in the atmosphere plays a crucial role in the global nitrogen cycle. Elevated NH3 deposition can result in various detrimental ecological and environmental consequences. Traditionally, researchers have employed methods such as static fumigation, dynamic fumigation using high-precision mass flow meters or standard gas cylinders, and free air enrichment to investigate vegetation responses to NH3 deposition. However, these approaches may suffer from inaccuracies, high costs, or technical complexity. In order to address this issue, we developed the Syringe Pump Gas Distribution (SPGD

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Han, Jian, Wen Lv, Wenbo Ji, Ruiyue Wang, Ming Luo, and Benzhong Fu. "A novel gliding filamentous bacterium Herpetosiphon tianshanensis sp. nov. NSE202 is a promising biocontrol agent for fire blight." Pest Management Science, May 28, 2025. https://doi.org/10.1002/ps.8933.

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AbstractBACKGROUNDFire blight (Erwinia amylovora), a devastating bacterial disease, has posed significant challenges to apple and pear production for more than a century. In recent years, the spread of fire blight to China via Xinjiang has heightened concerns among planters and government authorities, particularly given the region's distinct geography and climate, underscoring the urgent need for innovative biocontrol strategies.RESULTSThis study introduced a predatory bacterium, Herpetosiphon tianshanensis sp. nov. NSE202, isolated from natural forest soil in Xinjiang, China, that could be a

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Zhu, Jun Zi, Chang Xin Li, Ya-ming Ma, Jie Zhong, and Xiao Gang Li. "First Report of Fusarium xylarioides Causing Root and Stem Rot on Aloe vera in China." Plant Disease, October 13, 2020. http://dx.doi.org/10.1094/pdis-07-20-1514-pdn.

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Aloe vera (L.) Burm f. is a perennial herb belonging to the family liliaceae. It is widely grown for medicinal, cosmetic and vegetable use. In 2018 and 2019, a root rot disease occurred on potted A. vera plants in a nursery in the Hunan Province of China. Symptoms of the disease include water soaking lesions, brown spots on taproot or basal part of the stem. The plants were easy to pull out when the taproot is rotten or necrotic. As the disease progressed upward, leaves in the basal part of stems became red-brown and gradually fell off. In severe cases, the whole plants became rotten and wilte

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Liu, Yinlong, Ayesha Ahmed, Shahzad Munir, et al. "First report of Aloe root and stem rot caused by Phytophthora palmivora in Yunnan Province, China." Plant Disease, June 13, 2023. http://dx.doi.org/10.1094/pdis-05-23-0927-pdn.

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Aloe genus plants are perennial evergreen herb belonging to Liliaceae family which is widely used in food, medicine, beauty, and health care (Kumar et al. 2019). In August 2021, symptoms of root and stem rot was observed in approximately 20% of Aloe vera plantings in Yuanjiang County, Yunnan Province, China (23° 64' 53" N, 101° 99' 84" E). The most typical symptoms were stem and root rot, browning and necrosis of vascular tissues, gradual greening, and reddish-browning of leaves from bottom to top, abscission, and eventual plant death (Fig. S1). Therefore, to isolate and identify the pathogen,

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