Results 61 to 70 of about 622,005 (114)

Agricultura biológica e fertilização Biologic agriculture and fertilisation

Revista de Ciências Agrárias, 2012
Com base nos conhecimentos atuais, não pode considerar-se aceitável que na agricultura dita «biológica» esteja interdito o uso de determinados fatores de produção, nomeadamente dos adubos de síntese mineral.
Joaquim Quelhas dos Santos
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The global, regional, and national burden attributable to low bone mineral density, 1990–2020: an analysis of a modifiable risk factor from the Global Burden of Disease Study 2021

BACKGROUND: Fractures related to osteoporosis and low bone mineral density lead to substantial morbidity, mortality, and cost to individuals and health systems.
GBD 2021 Low Bone Mineral Density Collaborators
core   +1 more source

A Procedure for Assessing Heavy Mineral Resources Potential

, 1990
Supplies of placer heavy minerals, such as ilmenite, rutile, zircon, and monazite, are anticipated to be in short supply by early in the next century. The depletion of conventional onshore deposits coupled with the declaration of the Exclusive Economic ...
Berquist, C. R., Fischler, C. T., Grosz, Andrew E.   +2 more
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Produtividade e bienalidade da produção de cafezais adensados, sob diferentes doses de N e K Yield and production bienniality of dense coffee plantations under different levels of N and K

Pesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi avaliar o efeito da adubação com N e K sobre a produtividade e a bienalidade de produção de cafeeiros em plantio adensado, em estudo de longa duração.
Samuel Vasconcelos Valadares, Júlio César Lima Neves, Gustavo Nogueira Guedes Pereira Rosa, Hermínia Emília Prieto Martinez, Víctor Hugo Alvarez Venegas, Paulo César de Lima   +5 more
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Increased quality of in natura and cryopreserved semen of water buffaloes supplemented with saturated and unsaturated fatty acids from the palm oil industry. [PDF]

Anim Reprod, 2020
Silva LKX, Lourenço JB, da Silva AOA, de Sousa JS, Silva AGME, Dos Reis AN, Miranda MDS, Santos SDSD, Ohashi OM, Martorano LG, da Rocha GN, Faturi C, de Morais E, Mares ÉKL, Garcia AR.   +14 more
europepmc   +1 more source

Misdiagnosis of osteoporosis based on a single bone mineral density measurement

, 2010
A bone mineral density (BMD) T-score at or below −2.5 is considered to be osteoporotic However, the uncertainty of BMD measurement can result in a false positive or a false negative diagnosis.
Nguyen, Nguyen D., Frost, Steven A. (R12308), Nguyen, Tuan V., Eisman, John A.   +3 more
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Mineral composition of New Zealand monofloral honeys [PDF]

, 2010
The objective of this study was to determine the mineral content in ten New Zealand monofloral honeys, in order to distinguish whether New Zealand monofloral honeys are a good source of minerals compared to honeys from other parts of the world.
Emmertz, Andrea
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The crushed stone industry grows up : a history of mineral material trespass on public lands in central Arizona [PDF]

, 2002
: Crushed stone is the product resulting from the artificial crushing of rocks, boulders, or large cobblestones, substantially all faces of which have resulted from the crushing operation. BLM generally considers crushed stone sources a saleable mineral,

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PROBABILITAS MINERAL PASIR BESI TITAN YOGYAKARTA BERDASARKAN STUDI pXRF

, 2020
Pasir besi titan dari Yogyakarta dikarakterisasi menggunakan portable x-ray fluorescence (pXRF) dengan algoritma soil (W-tube, 40 kV) dan alloy (Rh-tube, 50 kV).
Purawiardi, Ibrahim, Firdiyono, Florentinus, Purawiardi, Rustiadi   +2 more
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Rendimento de cana-de-açúcar cultivada em Argissolo, utilizando lodo de esgoto como fonte de fósforo = Sugarcane yield in Ultisol, using sewage sludge as a phosphorus source

Acta Scientiarum. Agronomy, 2009
O fornecimento de fósforo pelo lodo de esgoto (LE) para as culturas ainda não é um fenômeno bem conhecido. Com o objetivo de quantificar a resposta da cana-deaçúcar, variedade SP83-2847, à substituição da adubação fosfatada mineral pela aplicação de lodo
Marcio Koiti Chiba, Maria Emília Mattiazzo, Fernando Carvalho Oliveira   +2 more
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