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Year | Number of Results |
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2021 | 2 |
2022 | 3 |
2023 | 1 |
2024 | 2 |
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Page 1
Impact of cattle slurry application methods on ammonia losses and grassland nitrogen use efficiency.
Environ Pollut. 2022 Dec 15;315:120302. doi: 10.1016/j.envpol.2022.120302. Epub 2022 Oct 3.
Environ Pollut. 2022.
PMID: 36202271
Influence of Light Intensity and Spectrum on Duckweed Growth and Proteins in a Small-Scale, Re-Circulating Indoor Vertical Farm.
Petersen F, Demann J, Restemeyer D, Olfs HW, Westendarp H, Appenroth KJ, Ulbrich A.
Petersen F, et al. Among authors: olfs hw.
Plants (Basel). 2022 Apr 7;11(8):1010. doi: 10.3390/plants11081010.
Plants (Basel). 2022.
PMID: 35448738
Free PMC article.
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Nutritional Value of Duckweed as Protein Feed for Broiler Chickens-Digestibility of Crude Protein, Amino Acids and Phosphorus.
Demann J, Petersen F, Dusel G, Bog M, Devlamynck R, Ulbrich A, Olfs HW, Westendarp H.
Demann J, et al. Among authors: olfs hw.
Animals (Basel). 2022 Dec 29;13(1):130. doi: 10.3390/ani13010130.
Animals (Basel). 2022.
PMID: 36611739
Free PMC article.
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Determination of Nutrients in Liquid Manures and Biogas Digestates by Portable Energy-Dispersive X-ray Fluorescence Spectrometry.
Horf M, Gebbers R, Vogel S, Ostermann M, Piepel MF, Olfs HW.
Horf M, et al. Among authors: olfs hw.
Sensors (Basel). 2021 Jun 4;21(11):3892. doi: 10.3390/s21113892.
Sensors (Basel). 2021.
PMID: 34199954
Free PMC article.
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Determining nutrients, dry matter, and pH of liquid organic manures using visual and near-infrared spectrometry.
Horf M, Gebbers R, Olfs HW, Vogel S.
Horf M, et al. Among authors: olfs hw.
Sci Total Environ. 2024 Jan 15;908:168045. doi: 10.1016/j.scitotenv.2023.168045. Epub 2023 Nov 2.
Sci Total Environ. 2024.
PMID: 37923277
Free article.
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Influence of the Nitrate-N to Ammonium-N Ratio on Relative Growth Rate and Crude Protein Content in the Duckweeds Lemna minor and Wolffiella hyalina.
Petersen F, Demann J, Restemeyer D, Ulbrich A, Olfs HW, Westendarp H, Appenroth KJ.
Petersen F, et al. Among authors: olfs hw.
Plants (Basel). 2021 Aug 23;10(8):1741. doi: 10.3390/plants10081741.
Plants (Basel). 2021.
PMID: 34451786
Free PMC article.
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Effects of sample pre-treatments on the analysis of liquid organic manures by visible and near-infrared spectrometry.
Horf M, Gebbers R, Olfs HW, Vogel S.
Horf M, et al. Among authors: olfs hw.
Heliyon. 2024 Feb 27;10(5):e27136. doi: 10.1016/j.heliyon.2024.e27136. eCollection 2024 Mar 15.
Heliyon. 2024.
PMID: 38463763
Free PMC article.
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