Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Jeffrey S. Jacobsen"'
Publikováno v:
Communications in Soil Science and Plant Analysis. 38:921-933
A greenhouse study was conducted to determine the effects of low‐rate commercial humic acid (HA) on phosphorus (P), iron (Fe), and zinc (Zn) availability and spring wheat yields, in both a calcareous soil and a noncalcareous soil. In Phase I, solub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32edf4c3b2c3538743451bab6edf397f
https://doi.org/10.1080/00103620701277817
https://doi.org/10.1080/00103620701277817
Publikováno v:
Site-Specific Management for Agricultural Systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc5dafa2eb6aa273fcbd4877c43fe410
https://doi.org/10.2134/1995.site-specificmanagement.c20
https://doi.org/10.2134/1995.site-specificmanagement.c20
Publikováno v:
Journal of Plant Nutrition. 28:1605-1617
Drought conditions are common in the northern Great Plains of the United States, affecting crop yield and quality. Phosphorus (P) fertilizer applications have been found to increase drought tolerance, although there is a lack of published work in thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e21f4407bd7c78c84eb5f0f0f6d02715
https://doi.org/10.1080/01904160500203531
https://doi.org/10.1080/01904160500203531
Autor:
Jeffrey S. Jacobsen, Clain Jones
Publikováno v:
Communications in Soil Science and Plant Analysis. 34:1791-1801
Granular phosphorus (P) fertilizers are often treated with coatings, such as oil or wax, to decrease dust production during packaging, shipping, storage, and spreading. Unconfirmed reports from the field suggest these coatings may negatively impact p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6ae458be4f5ef5e0607b43b0eb3a525
https://doi.org/10.1081/css-120023215
https://doi.org/10.1081/css-120023215
Publikováno v:
Communications in Soil Science and Plant Analysis. 33:303-319
Soil analytical labs play an important role in agricultural nutrient management. However, variability between labs can undermine the perception of soil testing efficacy and possibly lead to inaccurate fertilizer recommendations. To compare standard s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f81b99b5bbf178ebdd743bf23d08a593
https://doi.org/10.1081/css-120002747
https://doi.org/10.1081/css-120002747
Publikováno v:
Restoration Ecology. 9:326-331
Centaurea maculosa (Lam.) (spotted knapweed) reduces wildlife and livestock habitat biodiversity and increases erosion. Nutrient availability to plants may be used to ac celerate succession away from spotted knapweed. Early-successional plant communi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c48547a088e8718fd63f882f69315df2
https://doi.org/10.1046/j.1526-100x.2001.009003326.x
https://doi.org/10.1046/j.1526-100x.2001.009003326.x
Autor:
Jeffrey S. Jacobsen, Bret E. Olson
Publikováno v:
Journal of Plant Nutrition. 22:641-655
Crop and native plants can be characterized as high and low nutrient‐adapted based on their expected response to native and applied nutrients. Our objective was to compare the plasticity of biomass allocation and tissue nutrient concentrations to a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63772750354542270a4dceb7066f1b64
https://doi.org/10.1080/01904169909365660
https://doi.org/10.1080/01904169909365660
Publikováno v:
Soil Science Society of America Journal. 62:1410-1417
Global positioning system (GPS) and digital elevation model (DEM) technologies can provide measurements of terrain attributes that influence soil processes, soil properties, and site-specific management. We hypothesized that the intensity and pattern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d2539a0cb7d00a68b76fb5e518c2faf
https://doi.org/10.2136/sssaj1998.03615995006200050038x
https://doi.org/10.2136/sssaj1998.03615995006200050038x
Publikováno v:
Communications in Soil Science and Plant Analysis. 29:1355-1363
Development of a quantitative, preharvest quiektest for NO3 levels in cereal forages would improve crop management options to avoid NO3 toxicity in livestock. Our objective was to determine if concentrations of NO3 in sap expressed from oat (Avenasat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cee3be7f75b002b9dec764bf9e24c46f
https://doi.org/10.1080/00103629809370032
https://doi.org/10.1080/00103629809370032
Publikováno v:
Communications in Soil Science and Plant Analysis. 28:1237-1244
Field studies were conducted to determine the effect of nitrogen (N) and phosphorus (P) fertilizer sources and placement configurations on spring wheat growth, yield and quality. Different standard and experimental N and P sources at two rates and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e514702faf2062f6bac0719aef502b77
https://doi.org/10.1080/00103629709369869
https://doi.org/10.1080/00103629709369869