Log in

Relevant bibliographies by topics / Mineral nutrient transfer / Journal articles

To see the other types of publications on this topic, follow the link: Mineral nutrient transfer.

Journal articles on the topic 'Mineral nutrient transfer'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Mineral nutrient transfer.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Sinyavsky, O., V. Kisten, and N. Solomko. "Automatic control of nutrient solution supply in greenhouses." Energy and automation, no. 6(52) (November 25, 2020): 118–27. http://dx.doi.org/10.31548/energiya2020.06.118.

Full text

Abstract:

Today, the most common technology in winter greenhouses is to grow vegetables in low-volume hydroponics. With hydroponic technologies, all the necessary minerals of the plant are obtained from the nutrient solution, so deviations of acidity and concentration of mineral elements in the substrate and its humidity from optimal values lead to impaired plant uptake of nutrients and water, which can lead to plant diseases and death. Currently, the most common is software control of watering plants, but the loss of fertilizers and water is at least 25 %, which necessitates the creation of a system of

APA, Harvard, Vancouver, ISO, and other styles

2

Zhang, Wen-Hao, Yuchan Zhou, Katherine E. Dibley, Stephen D. Tyerman, Robert T. Furbank, and John W. Patrick. "Review: Nutrient loading of developing seeds." Functional Plant Biology 34, no. 4 (2007): 314. http://dx.doi.org/10.1071/fp06271.

Full text

Abstract:

Interest in nutrient loading of seeds is fuelled by its central importance to plant reproductive success and human nutrition. Rates of nutrient loading, imported through the phloem, are regulated by transport and transfer processes located in sources (leaves, stems, reproductive structures), phloem pathway and seed sinks. During the early phases of seed development, most control is likely to be imposed by a low conductive pathway of differentiating phloem cells serving developing seeds. Following the onset of storage product accumulation by seeds, and, depending on nutrient species, dominance

APA, Harvard, Vancouver, ISO, and other styles

3

Napieralski, Stephanie A., Heather L. Buss, Susan L. Brantley, Seungyeol Lee, Huifang Xu, and Eric E. Roden. "Microbial chemolithotrophy mediates oxidative weathering of granitic bedrock." Proceedings of the National Academy of Sciences 116, no. 52 (2019): 26394–401. http://dx.doi.org/10.1073/pnas.1909970117.

Full text

Abstract:

The flux of solutes from the chemical weathering of the continental crust supplies a steady supply of essential nutrients necessary for the maintenance of Earth’s biosphere. Promotion of weathering by microorganisms is a well-documented phenomenon and is most often attributed to heterotrophic microbial metabolism for the purposes of nutrient acquisition. Here, we demonstrate the role of chemolithotrophic ferrous iron [Fe(II)]-oxidizing bacteria in biogeochemical weathering of subsurface Fe(II)-silicate minerals at the Luquillo Critical Zone Observatory in Puerto Rico. Under chemolithotrophic g

APA, Harvard, Vancouver, ISO, and other styles

4

Van Emon, Megan, Carla Sanford, and Sarah McCoski. "Impacts of Bovine Trace Mineral Supplementation on Maternal and Offspring Production and Health." Animals 10, no. 12 (2020): 2404. http://dx.doi.org/10.3390/ani10122404.

Full text

Abstract:

Nutritional status can have major implications for animal health and production. Energy balance is easily determined using a body condition scoring system. This allows producers to readily adjust diets to meet an animal’s needs. Far less obvious is an animal’s trace mineral status, which is typically not assessed until an animal’s performance falls below expectation or illness is detected. Trace mineral toxicities and deficiencies can manifest as reduced thriftiness and/or poor reproductive performance, resulting in economic consequences for producers. Maternal mineral status not only impacts

APA, Harvard, Vancouver, ISO, and other styles

5

Johansson, Eva, Maria Luisa Prieto-Linde, and Hans Larsson. "Locally Adapted and Organically Grown Landrace and Ancient Spring Cereals—A Unique Source of Minerals in the Human Diet." Foods 10, no. 2 (2021): 393. http://dx.doi.org/10.3390/foods10020393.

Full text

Abstract:

Consumer interest in local and organic produce, sustainability along the production chain and food products contributing to health, are laying the foundation for local and organic-based diets using nutrient-dense food. Here, we evaluated 25 locally adapted landrace and ancient spring cereal genotypes per location over four locations and three years, for mineral content, nutritional yield and nutrient density. The results showed a large variation in minerals content and composition in the genotypes, but also over cultivation locations, cultivation years and for genotype groups. Highest minerals

APA, Harvard, Vancouver, ISO, and other styles

6

da Silva, Paulo Henrique Müller, Fabio Poggiani, and Jean Paul Laclau. "Applying Sewage Sludge toEucalyptus grandisPlantations: Effects on Biomass Production and Nutrient Cycling through Litterfall." Applied and Environmental Soil Science 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/710614.

Full text

Abstract:

In most Brazilian cities sewage sludge is dumped into sanitary landfills, even though its use in forest plantations as a fertilizer and soil conditioner might be an interesting option. Sewage sludge applications might reduce the amounts of mineral fertilizers needed to sustain the productivity on infertile tropical soils. However, sewage sludge must be applied with care to crops to avoid soil and water pollution. The aim of our study was to assess the effects of dry and wet sewage sludges on the growth and nutrient cycling ofEucalyptus grandisplantations established on the most common soil typ

APA, Harvard, Vancouver, ISO, and other styles

7

Haro, Rosario, and Begoña Benito. "The Role of Soil Fungi in K+ Plant Nutrition." International Journal of Molecular Sciences 20, no. 13 (2019): 3169. http://dx.doi.org/10.3390/ijms20133169.

Full text

Abstract:

K+ is an essential cation and the most abundant in plant cells. After N, its corresponding element, K, is the nutrient required in the largest amounts by plants. Despite the numerous roles of K in crop production, improvements in the uptake and efficiency of use of K have not been major focuses in conventional or transgenic breeding studies in the past. In research on the mineral nutrition of plants in general, and K in particular, this nutrient has been shown to be essential to soil-dwelling-microorganisms (fungi, bacteria, protozoa, nematodes, etc.) that form mutualistic associations and tha

APA, Harvard, Vancouver, ISO, and other styles

8

Lourenzi, Cledimar Rogério, Carlos Alberto Ceretta, Jackson Berticelli Cerini, et al. "Available content, surface runoff and leaching of phosphorus forms in a typic hapludalf treated with organic and mineral nutrient sources." Revista Brasileira de Ciência do Solo 38, no. 2 (2014): 544–56. http://dx.doi.org/10.1590/s0100-06832014000200019.

Full text

Abstract:

The application of animal manure to soil can increase phosphorus availability to plants and enhance transfer of the nutrient solution drained from the soil surface or leached into the soil profile. The aim of this study was to evaluate the effect of successive applications of organic and mineral nutrient sources on the available content, surface runoff and leaching of P forms in a Typic Hapludalf in no-tillage systems. Experiment 1 was set up in 2004 in the experimental area of UFSM, in Santa Maria (RS, Brazil). The treatments consisted of: control (without nutrient application) and applicatio

APA, Harvard, Vancouver, ISO, and other styles

9

Fischer, Thomas, Stella Gypser, Maria Subbotina, and Maik Veste. "Synergic hydraulic and nutritional feedback mechanisms control surface patchiness of biological soil crusts on tertiary sands at a post-mining site." Journal of Hydrology and Hydromechanics 62, no. 4 (2014): 293–302. http://dx.doi.org/10.2478/johh-2014-0038.

Full text

Abstract:

Abstract In a recultivation area located in Brandenburg, Germany, five types of biocrusts (initial BSC1, developed BSC2 and BSC3, mosses, lichens) and non-crusted mineral substrate were sampled on tertiary sand deposited in 1985- 1986 to investigate hydrologic interactions between crust patches. Crust biomass was lowest in the non-crusted substrate, increased to the initial BSC1 and peaked in the developed BSC2, BSC3, the lichens and the mosses. Water infiltration was highest on the substrate, and decreased to BSC2, BSC1 and BSC3. Non-metric multidimensional scaling revealed that the lichens a

APA, Harvard, Vancouver, ISO, and other styles

10

Zheng, Zhiming, Régis R. Simard, Jean Lafond, and Léon E. Parent. "Changes in phosphorus fractions of a Humic Gleysol as influenced by cropping systems and nutrient sources." Canadian Journal of Soil Science 81, no. 2 (2001): 175–83. http://dx.doi.org/10.4141/s00-666.

Full text

Abstract:

Information about the dynamics of soil P fractions is useful to predict their bioavailability and risk of P transfer from soils to surface waters. The objective of this study was to assess the effects of cropping systems and nutrient sources on P fractions in a Labarre silty clay (Humic Gleysol). Soil samples (0-15 cm) were collected in 1989, 1994 and 1997 from a field with four cropping systems, combining two crop rotations, barley (Hordeum vulgare L.) monoculture and 3-yr barley-forage rotation, with two tillage operations (chisel and moldboard plowing) as main plots, and two nutrient source

APA, Harvard, Vancouver, ISO, and other styles

11

Lourenzi, Cledimar Rogério, Carlos Alberto Ceretta, Leandro Souza da Silva, et al. "Nutrients in soil layers under no-tillage after successive pig slurry applications." Revista Brasileira de Ciência do Solo 37, no. 1 (2013): 157–67. http://dx.doi.org/10.1590/s0100-06832013000100016.

Full text

Abstract:

Successive applications of pig slurry to soils under no-tillage can increase the nutrient levels in the uppermost soil layers and part of the nutrients may be transferred to deeper layers. The objective was to evaluate the distribution of nutrients in the profile of a soil after 19 pig slurry applications under no-tillage for 93 months. The experiment was conducted from May 2000 to January 2008 in an experimental area of the Federal University of Santa Maria, southern Brazil, on a Typic Hapludalf. The treatments consisted of pig slurry applications (0, 20, 40 and 80 m³ ha-1) and at the end of

APA, Harvard, Vancouver, ISO, and other styles

12

Smith, Sally E., Sandy Dickson, and F. Andrew Smith. "Nutrient transfer in arbuscular mycorrhizas: how are fungal and plant processes integrated?" Functional Plant Biology 28, no. 7 (2001): 685. http://dx.doi.org/10.1071/pp01033.

Full text

Abstract:

This review brings together recent work on the coordination of transport processes between fungus and plant symbionts in arbuscular mycorrhizal (AM) symbioses, and focuses on new information on the diversity in structure and function of interfaces and their potential roles in transport processes. We consider the way that fungal activity is polarised to absorb mineral nutrients (especially phosphorus, P) in soil, transport them to the root and release them to the plant. Conversely, the fungal structures within the root appear to be specialised to absorb sugars, which the external mycelium canno

APA, Harvard, Vancouver, ISO, and other styles

13

Gebel, Micha, Stephan Bürger, Michael Wallace, Hanlie Malherbe, Hannah Vogt, and Carsten Lorz. "Simulation of land use impacts on sediment and nutrient transfer in coastal areas of Western Cape, South Africa." Change and Adaptation in Socio-Ecological Systems 3, no. 1 (2017): 1–17. http://dx.doi.org/10.1515/cass-2017-0001.

Full text

Abstract:

AbstractA major challenge for water resource management in Western Cape, South Africa, is the reduction of the growing sediment and nutrient loads in coastal areas, which belong to the areas most affected by land use change. We used the WebGIS based software STOFFBILANZ to simulate runoff, soil loss, sediment, phosphorus, and nitrogen input in the surface water and groundwater of study area (ca. 6,450 km²). The simulated runoff shows a large regional variability caused by the heterogeneous distribution of rainfall. For the reference catchment Klein River simulated total daily runoff fit the ob

APA, Harvard, Vancouver, ISO, and other styles

14

Snetselaar, Karen M., and Kenneth D. Whitney. "Fungal calcium oxalate in mycorrhizae of Monotropa uniflora." Canadian Journal of Botany 68, no. 3 (1990): 533–43. http://dx.doi.org/10.1139/b90-074.

Full text

Abstract:

Monotropa uniflora is an achlorophyllous angiosperm that is obligately mycotrophic. The "monotropoid" mycorrhizae it forms resemble ectomycorrhizae but are distinguished by elaborations of the epidermal cell walls that surround intruding fungal hyphae. Monotropoid mycorrhizae collected from blooming plants in late summer contained calcium oxalate crystals between mantle hyphae. The crystals appeared to form in association with hyphal walls and grew into a matrix outside the hyphae. Production of calcium oxalate by M. uniflora's mycobiont seems to be a coordinated metabolic process rather than

APA, Harvard, Vancouver, ISO, and other styles

15

Lin, Qianshi, Cécile Ané, Thomas J. Givnish, and Sean W. Graham. "A new carnivorous plant lineage (Triantha) with a unique sticky-inflorescence trap." Proceedings of the National Academy of Sciences 118, no. 33 (2021): e2022724118. http://dx.doi.org/10.1073/pnas.2022724118.

Full text

Abstract:

Carnivorous plants consume animals for mineral nutrients that enhance growth and reproduction in nutrient-poor environments. Here, we report that Triantha occidentalis (Tofieldiaceae) represents a previously overlooked carnivorous lineage that captures insects on sticky inflorescences. Field experiments, isotopic data, and mixing models demonstrate significant N transfer from prey to Triantha, with an estimated 64% of leaf N obtained from prey capture in previous years, comparable to levels inferred for the cooccurring round-leaved sundew, a recognized carnivore. N obtained via carnivory is ex

APA, Harvard, Vancouver, ISO, and other styles

16

Whittier, Dean P., and David R. Given. "The germination of Tmesipteris spores." Canadian Journal of Botany 65, no. 8 (1987): 1770–72. http://dx.doi.org/10.1139/b87-242.

Full text

Abstract:

Spores of Tmesipteris elongata Dang, germinated in axenic culture on a nutrient medium containing mineral elements and 0.2% glucose after 8 months in the dark. No spores germinated in cultures kept in the light. Initiating germination, the monolete laesura (scar) split in the middle. As the laesura ruptured to its ends, the cell bulged out. The first division was perpendicular to the polar axis of the spore and formed distal and proximal cells. At one end of the proximal cell, brown materials accumulated in the wall. Transfer of the two-celled gametophyte to new media did not support further g

APA, Harvard, Vancouver, ISO, and other styles

17

Batten, Graeme D., Irene Ockenden, and John N. A. Lott. "The mineral nutrient composition of wheat grains from ears grown to maturity in the field or cultured in media containing different concentrations of P, Mg, K and Ca." Seed Science Research 4, no. 4 (1994): 407–13. http://dx.doi.org/10.1017/s0960258500002452.

Full text

Abstract:

AbstractA study was conducted to assess the effect of the supply of phosphorus and the major cations on the mineral nutrient composition of whole mature wheat grains and the electron-dense globoid crystals found in the aleurone cells. Ears of wheat plants, growing in the field, were detached after anthesis. The ears were cultured to maturity in a sterile control solution which contained all essential elements. Other ears were cultured in solutions which contained no phoshorus, no calcium, no magnesium, combinations of these (−P, −Ca; −P, −Mg) or a solution which contained additional potassium

APA, Harvard, Vancouver, ISO, and other styles

18

Shahzad, Faisal, Changpin Chun, Arnold Schumann, and Tripti Vashisth. "Nutrient Uptake in Huanglongbing-affected Sweet Orange: Transcriptomic and Physiological Analysis." Journal of the American Society for Horticultural Science 145, no. 6 (2020): 349–62. http://dx.doi.org/10.21273/jashs04929-20.

Full text

Abstract:

Since the advent of Huanglongbing [HLB (Candidatus Liberibacter asiaticus)] in Florida, several preliminary reports have emerged about the positive effects of mineral nutrition on the performance of HLB-affected citrus (Citrus sp.) trees. HLB-affected trees are known to undergo significant feeder root loss. Therefore, studies have focused on foliar nutrient application instead of soil-applied nutrients speculating that the HLB-affected trees root systems may not be competent in nutrient uptake. Some studies also suggest that HLB-affected trees benefit from micronutrients at higher than the rec

APA, Harvard, Vancouver, ISO, and other styles

19

Islam, Monirul, Gianpiero Vigani, and Massimo E. Maffei. "The Geomagnetic Field (GMF) Modulates Nutrient Status and Lipid Metabolism during Arabidopsis thaliana Plant Development." Plants 9, no. 12 (2020): 1729. http://dx.doi.org/10.3390/plants9121729.

Full text

Abstract:

The Geomagnetic field (GMF) is a typical component of our planet. Plant perception of the GMF implies that any magnetic field (MF) variation would induce possible metabolic changes. In this work was we assessed the role of the GMF on Arabidopsis thaliana Col0 mineral nutrition and lipid metabolism during plant development. We reduced the local GMF (about 40 μT) to Near Null Magnetic Field (NNMF, about 30 nT) to evaluate the effects of GMF on Arabidopsis in a time-course (from rosette to seed-set) experiment by studying the lipid content (fatty acids, FA; and surface alkanes, SA) and mineral nu

APA, Harvard, Vancouver, ISO, and other styles

20

Skowrońska, Monika, and Tadeusz Filipek. "Life cycle assessment of fertilizers: a review." International Agrophysics 28, no. 1 (2014): 101–10. http://dx.doi.org/10.2478/intag-2013-0032.

Full text

Abstract:

Abstract Life cycle assessment has become an increasingly common approach for identifying, quantifying, and evaluating the total potential environmental impact of production processes or products, from the procurement of raw materials (the ‘cradle’), to production and utilization (the ‘gates’) and their final storage (the ‘grave’), as well as for determining ways to repair damage to the environment. The paper describes life cycle assessment of mineral fertilizers. On the basis of results provided by life cycle assessment, it can be concluded that an effective strategy for protecting the enviro

APA, Harvard, Vancouver, ISO, and other styles

21

Mahajabin, S., S. Rahman, AS Chamon, MN Mondol, and M. Rahman. "Effect of eggshell and lime on growth and mineral nutrition of kalmi (Ipomoea aquatica: Convolvulaceae) grown on lead contaminated soil." Journal of Biodiversity Conservation and Bioresource Management 5, no. 1 (2019): 85–92. http://dx.doi.org/10.3329/jbcbm.v5i1.42188.

Full text

Abstract:

A pot experiment was conducted to evaluate the effect of Eggshell and Lime in ameliorating lead uptake to alleviate toxicity of lead in Kalmi (Ipomoea aquatica).The lengths, fresh and dry weights of shoot was decreased significantly in 200 mg Pb kg-1soil as compared to the control. The similar significant decreasing trend in macro nutrient concentration in shoot and root was also observed. The percentage of N, P, K, S, Mg and Ca concentrations in edible parts (shoots) decreased by 7.73, 54.55, 12.50, 35.29, 17.65 and 19.61, respectively in 200 mg Pb kg-1 treated pots compared to the control. O

APA, Harvard, Vancouver, ISO, and other styles

22

Bhadauria, Tunira, and Krishan Gopal Saxena. "Role of Earthworms in Soil Fertility Maintenance through the Production of Biogenic Structures." Applied and Environmental Soil Science 2010 (2010): 1–7. http://dx.doi.org/10.1155/2010/816073.

Full text

Abstract:

The soil biota benefits soil productivity and contributes to the sustainable function of all ecosystems. The cycling of nutrients is a critical function that is essential to life on earth. Earthworms (EWs) are a major component of soil fauna communities in most ecosystems and comprise a large proportion of macrofauna biomass. Their activity is beneficial because it can enhance soil nutrient cycling through the rapid incorporation of detritus into mineral soils. In addition to this mixing effect, mucus production associated with water excretion in earthworm guts also enhances the activity of ot

APA, Harvard, Vancouver, ISO, and other styles

23

Troxler, T. G., C. Coronado-Molina, D. N. Rondeau, et al. "Interactions of local climatic, biotic and hydrogeochemical processes facilitate phosphorus dynamics along an Everglades forest-marsh gradient." Biogeosciences 11, no. 4 (2014): 899–914. http://dx.doi.org/10.5194/bg-11-899-2014.

Full text

Abstract:

Abstract. Ecosystem nutrient cycling is often complex because nutrient dynamics within and between systems are mediated by the interaction of biological and geochemical conditions operating at different temporal and spatial scales. Vegetated patches in semiarid and wetland landscapes have been shown to exemplify some of these patterns and processes. We investigated biological and geochemical factors suggested to contribute to phosphorus (P) movement and availability along a forest-marsh gradient in an Everglades tree island. Our study illustrated processes that are consistent with the chemohyd

APA, Harvard, Vancouver, ISO, and other styles

24

Troxler, T. G., C. Coronado-Molina, D. N. Rondeau, et al. "Interactions of local climatic, biotic and hydrogeochemical processes facilitate phosphorus dynamics along an Everglades forest-marsh gradient." Biogeosciences Discussions 10, no. 6 (2013): 10287–326. http://dx.doi.org/10.5194/bgd-10-10287-2013.

Full text

Abstract:

Abstract. Ecosystem nutrient cycling is often complex because nutrient dynamics within and between systems are mediated by the interaction of biological and geochemical conditions operating at different temporal and spatial scales. Vegetated patches in semiarid and wetland landscapes have been shown to exemplify some of these patterns and processes. We investigated biological and geochemical factors suggested to contribute to phosphorus (P) movement and availability along a forest-marsh gradient in an Everglades tree island. Our study illustrated processes that are consistent with the chemohyd

APA, Harvard, Vancouver, ISO, and other styles

25

Bannister, Peter, Graham L. Strong, and Inge Andrew. "Differential accumulation of nutrient elements in some New Zealand mistletoes and their hosts." Functional Plant Biology 29, no. 11 (2002): 1309. http://dx.doi.org/10.1071/fp02005.

Full text

Abstract:

It has been generally assumed that differential accumulation of mineral nutrients, leading to greater accumulation of elements in mistletoe tissues, is associated with greater transpiration in the mistletoe than in the host. Only a few investigations have measured both tissue element concentrations and transpiration, or transpiration-related parameters such as carbon isotope ratios (δ13C). Seasonal means for foliar concentrations of Ca, Mg, K, Na, P, N, transpiration and δ13C were obtained from ten mistletoe–host pairs, nine involving the mistletoe Ileostylus micranthus and one with Tupeia ant

APA, Harvard, Vancouver, ISO, and other styles

26

Yang, Hao, Jianting Zhang, Haiwen Zhang, Yi Xu, Yuyan An, and Liangju Wang. "Effect of 5-Aminolevulinic Acid (5-ALA) on Leaf Chlorophyll Fast Fluorescence Characteristics and Mineral Element Content of Buxus megistophylla Grown along Urban Roadsides." Horticulturae 7, no. 5 (2021): 95. http://dx.doi.org/10.3390/horticulturae7050095.

Full text

Abstract:

It is well known that trees grown on roadsides suffer from stressful environments, including poor soils, bad weather, and harmful gases from automobile exhaust. Improving the adaptability of roadside trees to adverse environments is important for urban management. An experiment was carried out with six-year-old Buxus megistophylla Levl. hedgerows, where 20 mg/L 5-aminolevulinic acids (5-ALA) solution was sprayed on the blade surface at the end of April. Three months later, plant morphology, chlorophyll fast fluorescence characteristics, antioxidant enzyme activities and the mineral element con

APA, Harvard, Vancouver, ISO, and other styles

27

Guidi Nissim, Werther, Elisa Masi, Camilla Pandolfi, Stefano Mancuso, and Giulia Atzori. "The Response of Halophyte (Tetragonia tetragonioides (Pallas) Kuntz.) and Glycophyte (Lactuca sativa L.) Crops to Diluted Seawater and NaCl Solutions: A Comparison between Two Salinity Stress Types." Applied Sciences 11, no. 14 (2021): 6336. http://dx.doi.org/10.3390/app11146336.

Full text

Abstract:

The use of seawater in horticulture is underestimated. Although pure seawater is harmful to most living plants, diluted seawater could represent a promising integration to meet the crop’s nutrient and water requirements. In the current trial, we compared the effects of moderate and high concentrations of seawater and a comparable NaCl solution on a salt-tolerant (Tetragonia tetragonioides) and a salt-sensitive (Lactuca sativa) crop grown in hydroponics. We tested the hypothesis that, due to its mineral composition, diluted seawater would result in a less stressful growing medium than NaCl. We

APA, Harvard, Vancouver, ISO, and other styles

28

Greve, Martin, Joachim Block, Gebhard Schüler, and Willy Werner. "Long Term Effects of Forest Liming on the Acid-Base Budget." Applied Sciences 11, no. 3 (2021): 955. http://dx.doi.org/10.3390/app11030955.

Full text

Abstract:

In Rhineland-Palatinate (Germany), a high percentage of the forest area is located on poor soils with low buffering capacity. Extensive liming applications were performed to compensate for the negative consequences of acid deposition. In 1988, three experimental sites with untreated control plots and different liming treatments were established in coniferous stands to investigate the effectiveness of liming on acidification and its effect on forest ecosystems. Measuring deposition and seepage waters for 24 years allowed for calculating long-term acid-base budgets. The original approach was exp

APA, Harvard, Vancouver, ISO, and other styles

29

Kchikich, Anass. "Arbuscular Mycorrhizal Fungi Enhance Sorghum Plant Growth under Nitrogen-Deficient Conditions through Activation of Nitrogen and Carbon Metabolism Enzymes." International Journal of Agriculture and Biology 26, no. 02 (2021): 201–8. http://dx.doi.org/10.17957/ijab/15.1825.

Full text

Abstract:

Nitrogen (N), one of the most important elements for plant growth, is needed by plants in large quantities. However, this nutrient has limited supply in the soil. Arbuscular mycorrhizal fungi (AMF) are known for their ability to form symbiotic association with plants and transfer the mineral nutrients to the host plants. To validate this hypothesis on sorghum plants, three ecotypes of this cereal (3p4, 3p9 and 4p11) were cultivated with and without AMF under low nitrogen concentration (0.5 mM NH4+). Growth parameters were determined and key enzymes responsible for nitrogen and carbon metabolis

APA, Harvard, Vancouver, ISO, and other styles

30

Paasonen-Kivekäs, Maija, Tuomo Karvonen, Pertti Vakkilainen, Noor Sepahi, Jouko Kleemola, and Matti Teittinen. "Field studies on controlled drainage and recycling irrigation drainage for reduction of nutrient loading from Arable land." Water Science and Technology 33, no. 4-5 (1996): 333–39. http://dx.doi.org/10.2166/wst.1996.0523.

Full text

Abstract:

Three on-farm trials were established to evaluate the suitability of water table management for Finnish growing conditions. The sites differed in soil texture, topography and cultivation. Drainage control was managed through specific wells in collector pipes. In recycling, a reservoir stored drainage water discharging from the fields. This water was used for subirrigation through conventional drainage or a dual level irrigation-drainage system. Hydro-meteorological variables were monitored continuously and real time transfer of the data was carried out via radiolink and microcomputers. Quality

APA, Harvard, Vancouver, ISO, and other styles

31

Aguinaz, Hayat, Ahmed Qaddoury, and Mohamed Anjarne. "Control of in vitro shoot tip necrosis in Carob Ceratonia siliqua L." Israel Journal of Plant Sciences 67, no. 3-4 (2020): 212–18. http://dx.doi.org/10.1163/22238980-20201046.

Full text

Abstract:

Shoot tip necrosis (STN) is a physiological abnormality whereby the apical shoot initially becomes necrotic and subsequently dies leading to considerable loss of shoots and hampering any commercial application of carob (Ceratonia siliqua L.) micropropagation. The objective of the present study is the optimization of a method to alleviate STN during in vitro multiplication of carob dealing with a range of culture media compounds. Obtained results showed that macroelement strength of the culture medium as well as cytokinin and calcium concentrations were the most important factors in controlling

APA, Harvard, Vancouver, ISO, and other styles

32

Duffy, Brion K., and Geneviève Défago. "Controlling Instability in gacS-gacARegulatory Genes during Inoculant Production of Pseudomonas fluorescens Biocontrol Strains." Applied and Environmental Microbiology 66, no. 8 (2000): 3142–50. http://dx.doi.org/10.1128/aem.66.8.3142-3150.2000.

Full text

Abstract:

ABSTRACT Secondary metabolism in fluorescent pseudomonads is globally regulated by gacS, which encodes a membrane-bound sensor kinase, and gacA, which encodes a transcriptional response regulator. Spontaneous mutation in either gene blocked biosynthesis of the antimicrobial compounds hydrogen cyanide, 2,4-diacetylphloroglucinol, pyoluteorin, and pyrrolnitrin by the model biocontrol strain Pseudomonas fluorescens CHA0. Spontaneous mutants also had altered abilities to utilize several carbon sources and to increase medium pH compared with the wild type, suggesting thatgacS and gacA influence pri

APA, Harvard, Vancouver, ISO, and other styles

33

AKINGBADE, A. A., I. V. NSAHLAI, C. D. MORRIS, and P. A. IJI. "Field activities and blood profile of pregnant South African indigenous goats after receiving dihydroxy pyridone-degrading rumen bacteria and grazing Leucaena leucocephala-grass or natural pastures." Journal of Agricultural Science 138, no. 1 (2002): 103–13. http://dx.doi.org/10.1017/s0021859601001617.

Full text

Abstract:

Twenty-four multiparous female South African indigenous goats were used. Once a week during the 2nd (weeks 8, 11 and 14) and 3rd (weeks 18, 19 and 20) trimesters, between 08·00 and 15·00 h, four females per treatment were randomly selected and observed every 1 min for time spent grazing, browsing, ruminating and idling. Blood samples were taken once a week during the 2nd (weeks 8, 11 and 14) and 3rd (weeks 18, 19, 20 and 21) trimesters for measurements of some mineral elements and protein metabolites. Goats on natural pasture (NP) grazed 54·8 min (P<0·001) more and browsed 53 min (P<0·00

APA, Harvard, Vancouver, ISO, and other styles

34

Fischer-Schliebs, Elke, Martina Drobny, Erika Ball, Rafael Ratajczak, and Ulrich Lüttge. "Variation in nitrate nutrition leads to changes in the performance of the V-ATPase and immunological differences of proteolipid subunit c in tobacco (Nicotiana tabacum) leaves." Functional Plant Biology 27, no. 7 (2000): 639. http://dx.doi.org/10.1071/pp98085.

Full text

Abstract:

The tonoplast V-type H +-ATPase (V-ATPase; EC 3.6.1.34) of higher plants responds by its activity and molecular-subunit fine structure to environmental parameters, such as temperature and salinity, or to the mode of photosynthesis in C3–CAM intermediate plants. To test the hypothesis that the enzyme is responding to varied mineral nutrition in similar ways, tobacco plants were grown at low (2 mM) and high (40 mM) nitrate supply, and a group of plants was also transferred from the low to the high nitrate concentration for 48 h before analysis. Direct correlation of V-ATPase properties with nitr

APA, Harvard, Vancouver, ISO, and other styles

35

Aizawa, Toshiaki. "Do cash transfers increase nutritional intakes? Experimental evidence from an unconditional cash transfer in Kenya." Health Policy and Planning 35, no. 7 (2020): 784–98. http://dx.doi.org/10.1093/heapol/czaa030.

Full text

Abstract:

Abstract Malnutrition due to persistent food insecurity has been a serious public health issue in Kenya. An unconditional cash transfer programme, the Hunger Safety Net Programme (HSNP), was launched in 2009 in northern Kenya to reduce extreme poverty and to mitigate food insecurity. This study investigates the impact of the HSNP, on expenditure on food, types of food consumed and nutritional intake. Focusing on nutritional intake as well as spending and consumption is important because an unconditional cash transfer, which does not specify how the transferred money must be used, does not guar

APA, Harvard, Vancouver, ISO, and other styles

36

Fischer, Gerhard, Johannes Karstensen, Oscar Romero, et al. "Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation." Biogeosciences 13, no. 11 (2016): 3203–23. http://dx.doi.org/10.5194/bg-13-3203-2016.

Full text

Abstract:

Abstract. Particle fluxes at the Cape Verde Ocean Observatory (CVOO) in the eastern tropical North Atlantic for the period December 2009 until May 2011 are discussed based on bathypelagic sediment trap time-series data collected at 1290 and 3439 m water depth. The typically oligotrophic particle flux pattern with weak seasonality is modified by the appearance of a highly productive and low oxygen (minimum concentration below 2 µmol kg−1 at 40 m depth) anticyclonic modewater eddy (ACME) in winter 2010. The eddy passage was accompanied by unusually high mass fluxes of up to 151 mg m−2 d−1, lasti

APA, Harvard, Vancouver, ISO, and other styles

37

Fischer, G., J. Karstensen, O. Romero, et al. "Bathypelagic particle flux signatures from a suboxic eddy in the oligotrophic tropical North Atlantic: production, sedimentation and preservation." Biogeosciences Discussions 12, no. 21 (2015): 18253–313. http://dx.doi.org/10.5194/bgd-12-18253-2015.

Full text

Abstract:

Abstract. Particle fluxes at the Cape Verde Ocean Observatory (CVOO) in the eastern tropical North Atlantic for the period December 2009 until May 2011 are discussed based on bathypelagic sediment trap time series data collected at 1290 and 3439 m water depth. The typically oligotrophic particle flux pattern with weak seasonality is modified by the appearance of a highly productive and low oxygen anticyclonic modewater eddy (ACME) in winter 2010. The eddy passage was accompanied by unusually high mass fluxes, lasting from December 2009 to May 2010. Distinct biogenic silica (BSi) and organic ca

APA, Harvard, Vancouver, ISO, and other styles

38

Liu, Guangmang, Wei Cao, Gang Jia, Hua Zhao, Xiaoling Chen, and Jing Wang. "Calcium-sensing receptor in nutrient sensing: an insight into the modulation of intestinal homoeostasis." British Journal of Nutrition 120, no. 8 (2018): 881–90. http://dx.doi.org/10.1017/s0007114518002088.

Full text

Abstract:

AbstractThe animal gut effectively prevents the entry of hazardous substances and microbes while permitting the transfer of nutrients, such as water, electrolytes, vitamins, proteins, lipids, carbohydrates, minerals and microbial metabolites, which are intimately associated with intestinal homoeostasis. The gut maintains biological functions through its nutrient-sensing receptors, including the Ca-sensing receptor (CaSR), which activates a variety of signalling pathways, depending on cellular context. CaSR coordinates food digestion and nutrient absorption, promotes cell proliferation and diff

APA, Harvard, Vancouver, ISO, and other styles

39

Nwachukwu, C. U. "Review article: Nutritional effects on fetal development during gestation in ruminants." Nigerian Journal of Animal Production 47, no. 2 (2020): 245–56. http://dx.doi.org/10.51791/njap.v47i2.184.

Full text

Abstract:

Intrauterine growth retardation is a massive problem in animal production as it influencesthe body composition, carcass quality, and impairs health. This condition can lead to areduction in neonatal survival, growth, feed efficiency utilisation, and future production bythe animals. Pregnancy may negatively influence maternal nutritional status because ofincreased uteroplacental blood flow, nutrient mobilisation, and transfer of nutrients from thedam to the fetus. The critical factor for fetal survival and health is an adequate nutrient andoxygen supply to the dam during gestation. This ability

APA, Harvard, Vancouver, ISO, and other styles

40

Missimer, Thomas M., Serge Thomas, and Barry H. Rosen. "Legacy Phosphorus in Lake Okeechobee (Florida, USA) Sediments: A Review and New Perspective." Water 13, no. 1 (2020): 39. http://dx.doi.org/10.3390/w13010039.

Full text

Abstract:

Lake Okeechobee is one of the largest freshwater lakes in the United States. As a eutrophic lake, it has frequent algal blooms composed predominantly of the cyanobacterium genus Microcystis. Many of the algal blooms are associated with the resuspension of a thixotropic benthic mud containing legacy nutrients. Since Lake Okeechobee has an area of 1732 km2 (40–50 km radius) and a mean depth of only 2.7 m, there is sufficient fetch and shallow water depth to allow frequent wind, wave, and current generated events, which cause sediment resuspension. Three types of mud exist in the lake including a

APA, Harvard, Vancouver, ISO, and other styles

41

Queirós, Ana S., Ana R. Circuncisão, Eduarda Pereira, et al. "Valuable Nutrients from Ulva rigida: Modulation by Seasonal and Cultivation Factors." Applied Sciences 11, no. 13 (2021): 6137. http://dx.doi.org/10.3390/app11136137.

Full text

Abstract:

Ulva macroalgae species are recognized to be an underexploited source of key nutrients, including proteins, fibers and minerals. The present work evaluated the nutritional value protein, ash, mineral composition, fat, fatty acid profile and dietary fiber of the green macroalgae Ulva rigida produced in an open land-based integrated multi-trophic aquaculture (IMTA) system, over four seasons. Overall, protein and fat content of the farmed algae ranged between 7.6 and 25.8% DW and between 0.2 and 1.3% DW, respectively, reaching the highest levels during autumn/winter seasons. In turn, total dietar

APA, Harvard, Vancouver, ISO, and other styles

42

Weber, Thomas, Jacob A. Cram, Shirley W. Leung, Timothy DeVries, and Curtis Deutsch. "Deep ocean nutrients imply large latitudinal variation in particle transfer efficiency." Proceedings of the National Academy of Sciences 113, no. 31 (2016): 8606–11. http://dx.doi.org/10.1073/pnas.1604414113.

Full text

Abstract:

The “transfer efficiency” of sinking organic particles through the mesopelagic zone and into the deep ocean is a critical determinant of the atmosphere−ocean partition of carbon dioxide (CO2). Our ability to detect large-scale spatial variations in transfer efficiency is limited by the scarcity and uncertainties of particle flux data. Here we reconstruct deep ocean particle fluxes by diagnosing the rate of nutrient accumulation along transport pathways in a data-constrained ocean circulation model. Combined with estimates of organic matter export from the surface, these diagnosed fluxes reveal

APA, Harvard, Vancouver, ISO, and other styles

43

Alekseev, Victor, Rustam Aleksandrov, Sergey Vasiliev, Olga Kharitonova, Vladimir Philippov, and V. V. Alekseev. "Modeling the transfer of potassium monophosphate with irrigation water in drip irrigation and sprinkling." MATEC Web of Conferences 329 (2020): 05010. http://dx.doi.org/10.1051/matecconf/202032905010.

Full text

Abstract:

Fertigation practically always allows us to simultaneously solve a wide range of problems of supplying plants with mineral substances. It is due to the possibility to localize the application area in accordance with the structural features of the root system of the plant. A review of the studies on modeling and calculating the transfer of nutrients shows that spatial inhomogeneity of nutrients distribution may lead to their excess in wrong soil areas. Time intervals and volumes of applying dissolved fertilizers determine the not yet completely studied dynamics of concentration of the nutrition

APA, Harvard, Vancouver, ISO, and other styles

44

Moisejenkova, Anastasija, Nikolaj Tarasiuk, and Aloyzas Girgždys. "PECULIARITIES OF THE THERMAL REGIME OF THE SURFACE SEDIMENTS IN LAKE TAPELIAI." Mokslas - Lietuvos ateitis 2, no. 5 (2010): 66–70. http://dx.doi.org/10.3846/mla.2010.093.

Full text

Abstract:

The article discusses the process of heat transfer in the water sediment system having an impact on the input of nutrients and mineral substances from sediments to the bottom water layer. Therefore, conductivity sharply increases on the surface of bottom sediments and reaches more than 400 μS∙cm–1. The heat exchange process is analyzed in Lake Tapeliai classified as a “temporally warm” lake (see K. Kilkus). The paper defines heat transfer from bottom sediments to water applying the convection method and describes isotherm deepening of 4 ºC into sediments. The temperature of surface sediments i

APA, Harvard, Vancouver, ISO, and other styles

45

Girsang, Thomson A. S., Veny Apriyani, Desti S. N. Pasaribu, and Lisnawaty Simatupang. "Application of Humid Silica Plus Fertilizer with Various Combinations of Planting Media." Indonesian Journal of Chemical Science and Technology (IJCST) 2, no. 2 (2019): 121. http://dx.doi.org/10.24114/ijcst.v2i2.14000.

Full text

Abstract:

Volcanic ash contains minerals needed by soil and plants with the highest composition of total elements, namely Ca, Na, K and Mg, other macro elements in the form of P and S, while micro elements consist of Fe, Mn, Zn, Cu. The layer of volcanic dust that has the potential to contain nutrients for soil fertilization for agriculture can actually only be used about 10 years after the spread of volcanic ash. Soil fertilization can be accelerated if mixed with organic materials such as by using chicken manure fertilizer which has nutrients from chicken manure: N = 1.7%, P2O5 = 1.9%, K2O = 1.5%. Hum

APA, Harvard, Vancouver, ISO, and other styles

46

Nikitin, A. N., O. A. Shurankova, I. A. Cheshyk, et al. "Experimental assessment of influence of soil moisture on the ¹³⁷Cs accumulation in shoots of spring wheat." Proceedings of the National Academy of Sciences of Belarus, Biological Series 65, no. 2 (2020): 229–38. http://dx.doi.org/10.29235/1029-8940-2020-65-2-229-238.

Full text

Abstract:

The aim of this research was to analyze the effect of soil moisture regime on the intensity of 137Cs transfer into cereals using spring wheat as a model species. Accumulation of 137Cs in shoots of spring wheat grown on soil substrates differ by water and nutrients content was analyzed. The investigated water regimes were 40 % (insufficient moisture supply), 70 % (optimal moisture supply) and 85 % (excessive moisture supply) of full moisture capacity of the soils; substrates with optimal and low content of essential mineral nutrients were used in the experiment. The plants were grown in a chamb

APA, Harvard, Vancouver, ISO, and other styles

47

Pestrikova, Tatyana Yu, and Elena A. Yurasova. "Vitamin-mineral complexes as a protector of obstetric and perinatal complications (review of literature)." Gynecology 21, no. 4 (2019): 44–50. http://dx.doi.org/10.26442/20795696.2019.4.190562.

Full text

Abstract:

Relevance. Despite the achievements of modern medicine, the problem of reducing complications of the gestational period and perinatal outcomes still does not lose its relevance. Lack of security and/or unbalanced consumption of vital micronutrients are factors of constant negative impact on health, growth, development and formation of organs and systemogenesis in all age periods. Unbalanced nutrition, in particular vitamin deficiency conditions, is considered by the World Health Organization as a problem of starvation, which has a direct impact on the incidence and mortality of the population.

APA, Harvard, Vancouver, ISO, and other styles

48

Pestrikova, Tatyana Yu, and Elena A. Yurasova. "Vitamin-mineral complexes as a protector of obstetric and perinatal complications (review of literature)." Gynecology 21, no. 5 (2019): 25–33. http://dx.doi.org/10.26442/20795696.2019.5.190562.

Full text

Abstract:

Relevance. Despite the achievements of modern medicine, the problem of reducing complications of the gestational period and perinatal outcomes still does not lose its relevance. Lack of security and/or unbalanced consumption of vital micronutrients are factors of constant negative impact on health, growth, development and formation of organs and systemogenesis in all age periods. Unbalanced nutrition, in particular vitamin deficiency conditions, is considered by the World Health Organization as a problem of starvation, which has a direct impact on the incidence and mortality of the population.

APA, Harvard, Vancouver, ISO, and other styles

49

Ashraf, M. Y., A. Khan, M. Ashraf, and S. Zafar. "Studies on the transfer of mineral nutrients from feed, water, soil and plants to buffaloes under arid environments." Journal of Arid Environments 65, no. 4 (2006): 632–43. http://dx.doi.org/10.1016/j.jaridenv.2005.10.003.

Full text

APA, Harvard, Vancouver, ISO, and other styles

50

Edwards, Tom W. D., R. A. Klassen, and W. W. Shilts. "Terrain Geochemistry Surveys, Permafrost Studies, and Arctic Limnology, District of Keewatin, N.W.T.: Implications for Water Quality Monitoring in the North." Water Quality Research Journal 22, no. 4 (1987): 505–17. http://dx.doi.org/10.2166/wqrj.1987.041.

Full text

Abstract:

Abstract Geochemical studies and surveys conducted by the Geological Survey of Canada have provided considerable information about the natural geochemical variations in glacial drift, lake sediments, and lake waters in south-central District of Keewatin. In addition to their intended contribution to mineral exploration, these activities yielded much basic background data that may be applied to the planning of water quality monitoring programs in the region. Studies of permafrost features, and arctic limnology have furnished knowledge about natural geomorphic and diagenetic processes that influ

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!