1,722,819 research outputs found
Union Pacific (UP) 9021
No full textA photograph print showing Union Pacific (UP) 9021, 4-12-2, Cheyenne, WY
Linked collectors and determiners for: On two sibling Lathys species (Araneae, Dictynidae) from northern Europe.
No full textNatural history specimen data linked to collectors and determiners held within, "On two sibling Lathys species (Araneae, Dictynidae) from northern Europe". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="http://bionomia.net/dataset/a06f106d-8cbb-4b1b-9021-e337f92446cd">https://bionomia.net/dataset/a06f106d-8cbb-4b1b-9021-e337f92446cd</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/a06f106d-8cbb-4b1b-9021-e337f92446cd">https://gbif.org/dataset/a06f106d-8cbb-4b1b-9021-e337f92446cd</a>. Formatted as a Frictionless Data package
Linked collectors and determiners for: A conspectus of the silver-flies (Diptera: Chamaemyiidae) of the Middle East with descriptions of new species of Chamaemyia Meigen and Melanochthiphila Frey, from the Arabian Peninsula.
No full textNatural history specimen data linked to collectors and determiners held within, "A conspectus of the silver-flies (Diptera: Chamaemyiidae) of the Middle East with descriptions of new species of Chamaemyia Meigen and Melanochthiphila Frey, from the Arabian Peninsula". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="http://bionomia.net/dataset/26503368-66b4-4f4b-9021-03ab2d315782">https://bionomia.net/dataset/26503368-66b4-4f4b-9021-03ab2d315782</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/26503368-66b4-4f4b-9021-03ab2d315782">https://gbif.org/dataset/26503368-66b4-4f4b-9021-03ab2d315782</a>. Formatted as a Frictionless Data package
Linked collectors and determiners for: A conspectus of the silver-flies (Diptera: Chamaemyiidae) of the Middle East with descriptions of new species of Chamaemyia Meigen and Melanochthiphila Frey, from the Arabian Peninsula.
No full textNatural history specimen data linked to collectors and determiners held within, "A conspectus of the silver-flies (Diptera: Chamaemyiidae) of the Middle East with descriptions of new species of Chamaemyia Meigen and Melanochthiphila Frey, from the Arabian Peninsula". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="http://bionomia.net/dataset/26503368-66b4-4f4b-9021-03ab2d315782">https://bionomia.net/dataset/26503368-66b4-4f4b-9021-03ab2d315782</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/26503368-66b4-4f4b-9021-03ab2d315782">https://gbif.org/dataset/26503368-66b4-4f4b-9021-03ab2d315782</a>. Formatted as a Frictionless Data package
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Evaluation of BAS 9052 & BAS 9021 for Control of Johnsongrass (Sorghum Halpense) in Soybeans (Glycine Max)
Full text linkThe lack of adequate weed control is one of the major problems encountered in soybean production. Johnsongrass presents one of the most serious weed control problems in the Southeastern United States. numerous herbicides are used in an effort to control johnsongrass, and research is still being conducted to find new herbicides for this purpose. Two of these herbicides are BAS 9021 [6,6-dimethyl-2,4-dioxo- 3[1-[2-(propenyloxy)amino]butylidene]-cyclohexane] and BAS 9052 [2-(n-ethoxybutyrimidoyl)-5-(2-ethylthiopropy1)-3- hydroxy-2-cyclohexen-1-one].
In 1978, johnsongrass control with BAS 9021 at 1.1 and 1.7 kg/ha in sim-le early postemergence or late postemergence applications, or in each of two split applications, was evaluated using the herbicide alone, with a nonionic surfactant, or a nonphytotoxic crop oil. The split applications gave johnsongrass control ranging from 49, to 81,. Late postemergence applications of 1.7 kg/ha of BAS 9021 were as Food as split applications. As a group, the addition of oil or surfactant gave increased control over the herbicide alone.
In 1979 BAS 9021 and BAS 9052 were compared with mefluidide [N-[2,4-dimethyl-5[[(trifluoromethyl)sulfonyl]amino]phenyl]acetamide]and alachlor (2-chloro-2\u276\u27-diethyl-N-(methoxymethyl)acetamide] for seedling johnsongrass control. The BAS materials were compared with mefluidide, trifluralin]α, α, α trifluoro-2,6-dinitro-N,N-dipropyl-p-toliuidine], fluchloralin [N-(2-chloroethyl)-2,6-dinitro-n-propyl- 4-(trifluoromethyl)aniline] and trifluralin plus vernolate [S-propyl dipropylthiccarbamate] for rhizomic johnsongrass control.
In both experiments BAS 9021 was applied at 1.1 and 1.7 kg/ha in each of two applications. BAS 9052 was applied at rates of 0.6 to 1.1 kg/ha early postemergence, late postemergence or in split applications. Mefluidide was applied at rates of 0.3 to 0.6 kg/ha either early postemergence or in split applications. All postemergence herbicide applications contained an oil concentrate at a rate of 2.4 L/ha.
Alachlor for seedling control was applied preemergence at 3.4 and 4.5 kg/ha. Preplant incorporated applications of trifluralln and fluchloralin were made at rates of 2.2 kg/ha and vernolate at 2.8 kg/ha was combined with —1 and 2.2 kg/ha of trifluraiin for rhizomic johnsongrass control.
In the seedling area, all BAS treatments gave 88% or better johnsongrass control. In the rhizomic area split applications of BAS 9052 tended to result in the best johnsongrass control. Ratings were taken both 8 and 11 weeks after planting. Soybean yields were generally better with higher johnsongrass control.
Mefluidide caused apparent soybean injury, resulted in poor johnsongrass control and lowered soybean yields. All preplant incorporated treatments gave poor johnsongrass control and low soybean yields. Alachlor gave fair johnsongrass control but resulted in high soybean yields
DevPsyLab/petersenlab: v0.1.2-9021
No full textFull Changelog: https://github.com/DevPsyLab/petersenlab/compare/v0.1.2-9020...v0.1.2-902
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