Results 41 to 50 of about 622,005 (114)

Publications of the Department of Mines and Mineral Resources from 1990 to 2004 [PDF]

open access: yes, 2004
: This report, a companion to Open File Report 90-5, Publications of the department of Mines and Mineral Resources from 1939 to 1990, is a serial listing of the publications of the Department from September 1990 to December 2004.Open-file report (Arizona

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Teores de micronutrientes em pastagem de Brachiaria decumbens fertilizada com cama de frango e fontes minerais

open access: yesBioscience Journal, 2011
O experimento foi conduzido na fazenda Caminho das Pedras, em Uberlândia, no Triângulo Mineiro. O objetivo foi avaliar a composição mineral de micronutrientes de uma pastagem de Brachiaria decumbens com sinais de degradação decorrentes da fertilização ...
Adriane de Andrade Silva   +3 more
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Estimativa da adubação nitrogenada para o milho em sistemas de manejo e culturas de cobertura do solo

open access: yesRevista Brasileira de Ciência do Solo, 2000
O uso de fertilização mineral e de leguminosas são as principais alternativas para fornecimento, em larga escala, de nitrogênio (N) a culturas exigentes deste nutriente.
T. J. C. Amado, J. Mielniczuk
doaj   +1 more source

Publications of the Department of Mines and Mineral Resources from 1939 to 1990 [PDF]

open access: yes, 1990
: A serial listing of the publications of the Arizona Department of Mineral Resources (1939-1984) and the Arizona Department of Mines and Mineral Resources (1984-August 1990).

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Division of Mineral Resources Management annual report

open access: yes
Annual; Description based on 2004; title from PDF cover (viewed Dec. 12, 2006).; Ohio Department of Natural Resources, Division of Mineral Resources Management is a result of the merger of Ohio Department of Natural Resources, Division of Mines and ...
Ohio. Division of Mineral Resources Management   +1 more
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Fertilization and cover crop effects on soil nitrogen and plant nutrition in a young guarana plantation Efeitos da fertilização mineral e da cobertura do solo sobre a dinâmica do Nitrogênio e na nutrição de plantas jovens de guaraná

open access: yesActa Amazonica, 2003
Fruit tree production is gaining an increasing importance in the central Amazon and elsewhere in the humid tropics, but very little is known about the nutrient dynamics in the soil-plant system.
Lucerina Trujillo   +4 more
doaj   +1 more source

Heavy Mineral Variability And Provenance Of The Virginia Inner Shelf And Lower Chesapeake Bay [PDF]

open access: yes, 1990
The mineral composition of the 3- to 4-phi (0.125 to 0.063 mm) size fraction of 49 surficial grab samples,located north and south of the entrance to Chesapeake Bay and of 38 surficial samples, located in the bay mouth, was determined during this study ...
Berquist, C. R.   +2 more
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Oregon Department of Geology and Mineral Industries

open access: yes, 2009
This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Title from PDF caption (viewed on Dec.

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