Zobrazeno 1 - 10 of 14 pro vyhledávání: '"D. B. Mengel"'
1
[Untitled]
Autor: P. E. Pope, T. J. Benjamin, D. J. Biehle, W. L. Hoover, J. R. Seifert, T. Stall, Shibu Jose, Andrew R. Gillespie, D. B. Mengel
Publikováno v: Agroforestry Systems. 48:25-40
With renewed interest in the use of ecologically-designed, sustainable agricultural systems for temperate regions of the world, agroforestry is being proposed as an alternative to intensive production of crops in monocultures. However, the knowledge-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a46874daacc012db3e4e5467b1a7a71
https://doi.org/10.1023/a:1006285205553
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2
[Untitled]
Autor: Shibu Jose, P. E. Pope, J. R. Seifert, D. B. Mengel, Andrew R. Gillespie
Publikováno v: Agroforestry Systems. 48:61-77
An experiment was conducted in an 11-year-old black walnut (Juglans nigra L.), red oak (Quercus rubra L.), maize (Zea mays L.) alley cropping system in the midwestern USA to examine the extent of tree-crop competition for nitrogen and decomposition d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d769147886936a370f5d5dcf1ff7923f
https://doi.org/10.1023/a:1006241406462
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3
Influence of crop rotations and tillage systems on phosphorus and potassium stratification and root distribution in the soil profile
Autor: D. B. Mengel, Miralda Bueno de Paula, J. G. Carvaho, Francisco Sandro Rodrigues Holanda, J. C. Bertoni
Publikováno v: Communications in Soil Science and Plant Analysis. 29:2383-2394
The combination of cropping rotation and tillaging for several years have altered the distribution of nutrients such as phosphorus (P) and potassium (K) in the soil profile. These long‐term changes have led researchers to investigate the distributi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b279e2c7225f3acea3bf2e55f121166c
https://doi.org/10.1080/00103629809370118
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5
Influence of soil reaction and applications of zinc on yields and zinc contents of rice plants
Autor: R. H. Brupbacher, F. J. Peterson, J. E. Sedberry, D. B. Mengel, F. E. Wilson, P. E. Schilling
Publikováno v: Communications in Soil Science and Plant Analysis. 11:283-295
The yield of rice was significantly reduced when the soil reaction exceeded pH 7.0. Further significant yield decreases were obtained when Crowley silt loam was adjusted to pH 7.5 with, dolomitic limestone. A highly significant quadratic relationship
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1f791c3c99183bc755090cab20c86ab
https://doi.org/10.1080/00103628009367036
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9
Effects of natural and artificially induced reduction on soil solution phosphorus in rice soils
Autor: F. J. Peterson, D. B. Mengel, A. B. Husin, A. G. Caldwell
Publikováno v: Plant and Soil. 102:171-175
The effect of natural and artificial reduction on P extractability from soils used for rice production and the relation of these values to response to fertilizer P were investigated. Soil solution P increased from a mean of 3.8 mg P·kg−1 soil for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68819518a6a29c91829658bdfd1a7da2
https://doi.org/10.1007/bf02370699
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10
Comparison of pH measurement by field and laboratory methods
Autor: D. B. Mengel, G. C. Steinhardt
Publikováno v: Communications in Soil Science and Plant Analysis. 12:71-78
Surface horizons from 462 soils collected in Indiana by soil surveyors from 1967 to 1978 were used in this study. The relationship between field measured pH, laboratory measured pH and percent base saturation were examined. Using laboratory pH as a s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e00a77ab8bdf7e68f8ea595c1cef306
https://doi.org/10.1080/00103628109367128
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