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Showing 1 to 20 of 27 for “"mineral nutrients"”.
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Polyhalite alters the uptake and partitioning of mineral nutrients in corn
… fertilizer that supplies four key plant nutrients potassium, calcium, magnesium, and sulfur. Sirius Minerals, a company formed to develop and market the new fertilizer, has started to commercially produce a granulated version of polyhalite with the trade name POLY4 (0-0-14-10Ca-4Mg-19S). …
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Photosynthetic rates of Ilex crenata thunb. 'helleri' during propagation
… the effect of light, auxin, carbohydrate levels, mineral nutrients and rooting on the net photosynthetic (Pn) rate of unrooted Ilex crenata Thunb. 'Helleri' cuttings. Optimal photosynthetic activity occurred at PAR levels of about 600 micro-Einsteins m⁻² sec⁻¹. The emergence of roots increased the …
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Changes in Leaf Area and Nutrient Content of Celtis spp. Across a Precipitation Gradient in Texas
… gradient of Texas. I also tested whether soil mineral nutrients showed a unimodal relationship across the same gradient, as asserted by Albrecht’s curve. I sampled leaves from three species of Celtis (Family: Cannabaceae) and took soil samples under their canopies along US Interstate 10 from El …
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Enhancing mineral nutrient availability and corn productivity with biostimulants
… crop stresses, enhance the availability of soil mineral nutrients, improve the accumulation of mineral nutrients, and ultimately increase yields. In an effort to better understand biological products and their best fit in an agronomic management system, the objective of this research was to …
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Application of the manometric technique to a study of the biochemical oxygen demand of a neutralized acid waste
… adapted to the waste material. The presence of mineral nutrients as found in river water or the addition of mineral nutrients as recommended by Standard Methods for the Examination of Water and Sewage (1) are necessary for the waste to exert a normal B.O.D. The presence of a substance toxic to …
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N2 fixation and rhizosphere ecology of aspalathus linearis subsp. linearis(rooibos tea)
… 3.8-5.5. Under these conditions:, some essential nutrients are likely to be limiting. In this study, the response of Aspalathus linearis subsp. linearis to N, P, Ca and B was investigated I under field and glasshouse conditions to determine whether provision of supplemental mineral nutrients …
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Physiological aspects associated with mixed-nitrogen-induced increases in growth and tillering of wheat
… (4) the accumulation and partitioning of other mineral ions in the enhanced growth and tillering of spring wheat induced by mixed N nutrition. Another experiment sought to verify that the tillering and yield response to N form observed with spring wheat also occurs for winter wheat. Plants of …
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Biodegradation of Benzene
… containing 100 mg/I of benzene and enough mineral nutrients. The soils were put in septum-capped glass bottles and incubated in the dark for a month. The benzene concentration in the autoclaved bottles did not decrease during the incubation period while that in the inoculated bottles was …
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Loblolly Pine Genetics Structure Its Mycorrhizal Community
… fungi are comsymbionts of most plants, deriving mineral nutrients from the soil and transferring them to the host, while the host provides carbohydrates to the fungi. Mycorrhizal fungi have also been shown to affect essential host traits such as drought tolerance, and to alter competitive …
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CHARACTERIZATION OF TWO METAL TRANSPORTERS HMA3 AND NRAMP1 IN TWO ECOTYPES OF THE ZN/CD HYPERACCUMULATOR THLASPI CAERULESCENS COMPARED WITH ARABIDOPSIS THALIANA
… have proposed roles in ion homeostasis and mineral nutrition. The work here sought to determine if these transporters might have characteristics that suggest a role in heavy metal transport and tolerance in metal hyperaccumulating plants. These proteins are very well conserved among …
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Plant Assemblage Structure on Barrier Island ‘Pimple’ Dunes at the Virginia Coast Reserve Long-Term Ecological Research Site
… but it was not the only important factor. Nutrients, such as boron, were also important in describing variation among species. It is likely that interactions between water and other factors (e.g. the accumulation of some mineral nutrients in the marsh after they are leached from the dune …
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Transport processes in the arbuscular mycorrhizal symbiosis
… The fungus improves the plant’s uptake of mineral nutrients, mainly phosphate, and water, while the plant provides the fungus with photosynthetically assimilated carbohydrates. Still, the knowledge about the mechanisms of the nutrient exchange between the symbiotic partners is very limited. …
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The life history of Grimmia pulvinata (Hedw.) SM. and Tetraphis pellucida Hedw. in the laboratory and in the field
… either light intensity or the concentration of mineral nutrients had been reduced. Leaf number was increased and leaf size reduced with reductions in light intensity. Protonemal cell length increased with reductions in light intensity although internode lengths of leafy shoots were not affected. …
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Water, mineral nutrient and hormone flows and exchanges in the hemiparasitic association between root hemiparasite Rhinanthus minor and the host Hordeum vulgare
… water relations, the flows and partitioning of mineral nutrients, the flows, depositions and metabolism of abscisic acid (ABA) and zeatin type cytokinins (zeatin Z, zeatin riboside ZR, zeatin nucleotide ZN) within the host, the parasite and between host and parasite and the flows and …
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The growth and productivity of ribes nigrum under various levels of shade and the implications for multifunctional woody polycultures
… Black currant berries contain a vast array of mineral nutrients that are much higher than many of the major fruits and berries currently in production, with a vitamin C content over three times as high as that found in oranges on a per weight basis. Additionally, they contain high levels of …
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Studies on the microbial ecology of soils from Pinus radiata (D. Don) forests
… that these trees thrived on a limited supply of nutrients. The first crop of pines generally fulfilled expectations but nutrient deficiencies started to appear in extensive areas of the second crop. Accordingly, the Forest Research Institute made available three scholarships to study different …
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Nitrate and ammonium interactions in maize.
Nitrogen (N) is one of the major mineral nutrients required by a plant for its growth and development. Nitrate (NO₃⁻) and ammonium (NH₄⁺) are the predominant forms of N available to plants in agricultural soils. Plants have the ability to absorb both these forms efficiently from the soil solutions. …
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Nutrient uptake and partitioning in high-yielding corn
… aimed at matching plant nutritional needs with nutrients from soil and fertilizer sources. These practices, when done sustainably, also include replacing removed nutrients through maintenance fertilizer applications without excess application rates. While fertilizer recommendations and nutrient …
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Temporal Nutrient Dynamics in Cool-Season Pasture
… (4) analyze the seasonal variation in herbage mineral concentration with regard to beef cattle requirements, and (5) create a statistical model to predict variation in herbage mineral concentration across the growing season. Analysis of plant and soil nutrients through 5 years of grazing …
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