Zobrazeno 1 - 10 of 106 pro vyhledávání: '"V. V. Volk"'
3
Sweet Corn Yield and Tissue Metal Concentration after Seven Years of Sewage Sludge Applications
Autor: M. Hickey, V. V. Volk, D. D. Hemphill, T. L. Jackson, G. L. Kiemnec
Publikováno v: Journal of Production Agriculture. 3:232-237
(...) Sewage sludges from Salem, Portland, and Rock Creek, OR, were added to a moderately acid Willamette silt loam (fine-silty, mixed, mesic Pachic Ultic Argixeroll) soil in a field experiment to investigate the effects of multiple applications of s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::871e24344bc7c94478d171b32830880b
https://doi.org/10.2134/jpa1990.0232
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4
Soil Water Potential and Bromacil Uptake by Wheat
Autor: V. V. Volk, J. D. Schreiber, L. Boersma
Publikováno v: Weed Science. 23:127-130
The uptake of14C labeled bromacil [5-bromo-3-sec-butyl-6-methyluracil] by wheat plants (Triticum aestivumL. ‘Gaines’) grown in a Woodburn silt loam was studied at soil water potentials of −0.35 and −2.50 bars, and in solutions containing 2.0
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a82445b85f6589b08f53d254bde0413
https://doi.org/10.1017/s0043174500052656
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5
Composition and speciation of sodium fluoride extracted soil solutions
Autor: Daniel C. Peek, V. V. Volk
Publikováno v: Communications in Soil Science and Plant Analysis. 17:741-759
The effects of F on the chemical components of soils were examined by equilibrating 0.0 to 2.5 mM NaF solutions with ten soils for 24 h. The solutions were then analyzed for total F, Al, Fe, Mn, Ca, Mg, K, Na, Cu, Zn, Ni, Cd, Cr, P, Si, N03, NH3, org
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3af55e14e1ba727f04f756ab616e621d
https://doi.org/10.1080/00103628609367748
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6
Surfactant Effects on Picloram Adsorption by Soils
Autor: J. D. Gaynor, V. V. Volk
Publikováno v: Weed Science. 24:549-552
The effects of soil organic matter, clay, extractable Al, cation exchange capacity, and pH on the adsorption of picloram (4-amino-3,5,6-trichloropicolinic acid) from aqueous and surfactant solutions were investigated. Linear adsorption isotherms for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::623b588f7c57109cc99149d6179868a2
https://doi.org/10.1017/s0043174500062925
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9
Sweet Corn Response to Application of Three Sewage Sludges
Autor: G. L. Kiemnec, V. V. Volk, Delbert D. Hemphill, D. Hanson, L. W. Martin, T. L. Jackson
Publikováno v: Journal of Environmental Quality. 11:191-196
Anaerobically digested sewage sludges from Portland, Salem, and Rock Creek, Oreg., and (NH₄)₂SO₄ were applied to Willamette silt loam soil for 3 consecutive years to determine their effects on yield and elemental composition of sweet corn (Zea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ee44a445685bb64831f516622958b76
https://doi.org/10.2134/jeq1982.00472425001100020010x
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10
Lettuce and Broccoli Response and Soil Properties Resulting from Tannery Waste Applications
Autor: P. J. Sheets, Delbert D. Hemphill, C. Wickliff, V. V. Volk
Publikováno v: Journal of Environmental Quality. 14:159-163
Broccoli (Brassica oleracea L. var. italica) and lettuce (Lactuca sativa L.) were grown on Willamette sil (Pachic Ultic Argixerolls) amended 1 and 2 yr earlier with chrome tannery wastes at rates up to 192 Mg ha⁻¹ to determine nutrient and trace e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3236be334f7b66609d290802ecf7e773
https://doi.org/10.2134/jeq1985.00472425001400020001x
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