Results 21 to 30 of about 2,490,086 (243)
New organic matter degradation proxies: Valid in lake systems? [PDF]
, 2004 We determined concentrations and diagenetic state of organic matter in two cores from Lake Zug, Switzerland. To obtain a general picture of organic matter decay in the lake, we measured bulk parameters such as total organic carbon, total nitrogen, and ...
C. J. Schubert +9 more
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ORGANIC ACIDS IN DIFFERENT TYPES OF EGYPTIAN HONEY [PDF]
Journal of Plant Protection and Pathology, 2011 Organic acids in 4 types of Egyptian honey were analyzed and compared using high performance liquid chromatography (HPLC). The main types of Egyptian honeys used in this study were:Citrus, Clover, Cotton and artificial honey (or adulteration honey) which
Sawsan El Mohandes
doaj +1 more source
HPLC Analysis of Secreted Organic Acids
Bio-Protocol, 2016 Under certain growth conditions some microorganisms secrete organic acids into the extracellular medium to relieve the accumulation of excess energy carriers, and/or to reduce toxic concentrations of organic acids. For example, a glycogen-deficient ∆glgC
Fiona Davies +2 more
doaj +1 more source
Horticulturae, 2023 Fertilization is essential for the optimal growth and development of crops; however, the amount of fertilizer can cause positive or negative effects depending on its rate.
Naoki Terada +4 more
doaj +1 more source
Frontiers in Plant Science, 2022 Soil salinization and alkalization severely inhibit agriculture. However, the response mechanisms of cotton to salt stress or alkali stress are unclear.
Jiaxin Guo +4 more
doaj +1 more source
Microbially-Produced Organic Acids as Leaching Agents for Metal Recovery Processes
Postępy Mikrobiologii, 2022 Minerals have been important throughout history, but nowadays, their use has increased, as well as their extraction needs. Therefore, due to the growing demand for metals, and both the depletion of high-grade ores and their related environmental concerns,
Cruz-Rodríguez Itzel A. +2 more
doaj +1 more source
Maintaining ecological soil functions - techniques in organic farming systems [PDF]
, 2000 The ecological soil functions (e.g. habitat and living space, production and utilization, ecological regulation) have to be taken into account and maintained by farming systems.
Beste, Andrea
core +1 more source
Exploring RNA modifications in infectious non-coding circular RNAs
RNA BiologyViroids, small circular non-coding RNAs, act as infectious pathogens in higher plants, demonstrating high stability despite consisting solely of naked RNA.
Pavel Vopalensky +8 more
doaj +1 more source
Can agricultural cultivation methods influence the healthfulness of crops for foods [PDF]
, 2012 The aim of the current study was to investigate if there are any health effects of long-term consumption of organically grown crops using a rat model. Crops were retrieved over two years from along-term field trial at three different locations in Denmark ...
Lauridsen, Charlotte +4 more
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Binding of metals to macromolecular organic acids in natural waters [PDF]
, 2008 Trace metal speciation and bioavailability have become keys to current day toxicity and risk assessments. For many metals, macromolecular organic acids constitute the major ligand in fresh water and soil solution.
van Schaik, Joris W. J.
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