Results 21 to 30 of about 1,442,724 (301)

Avaliação da disponibilidade de manganês e ferro em solos pelo uso do método modificado da resina de troca iônica Evaluation of manganese and iron availability in soils by a modified ion exchange resin method

open access: yesRevista Brasileira de Ciência do Solo, 2004
A avaliação do método modificado da resina de troca de íons para extração de Mn e Fe dos solos foi o objetivo desta pesquisa. Foram utilizadas 44 amostras de solo, cujos teores de Mn variaram de baixos a altos e de Fe de médios a altos.
C. A. Abreu   +3 more
doaj   +1 more source

Interpretação de resultados analíticos de fósforo pelos extratores Mehlich-1 e Mehlich-3 em solos do Rio Grande do Sul Interpretation of the avalilabre phosphorus by Mehlich-1 and Mehlich-3 extractant solution in soils of the Rio Grande do Sul State, Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2008
As soluções extratoras multielementares possibilitam avaliar a disponibilidade de vários nutrientes de plantas no mesmo extrato; dentre estes o P merece especial atenção. As soluções Mehlich-1 (M1) e Mehlich-3 (M3) enquadram-se nesta categoria.
Leandro Bortolon, Clesio Gianello
doaj   +1 more source

Optimizing nutrient management for Kodo millet (Paspalum scrobiculatum L.) in the Alfisols of Southern India through modeling soil, plant, and fertilizer interactions

open access: yesScientific Reports
Balanced nutrition will be rewarding to profitable and sustainable yield of Kodo millet. In this context, soil test crop response (STCR) experiments on kodo millet were conducted from 2020 to 2022 to assess relationships between yield, soil, plant, and ...
Krishna Murthy Rangaiah   +8 more
doaj   +1 more source

Soil liquefaction as an identification test [PDF]

open access: yesE3S Web of Conferences, 2019
Time-consuming and complicated investigations of soil liquefaction in cyclic triaxial tests are the most common way of laboratory analysis of this phenomenon.
Bacic Bozana, Herle Ivo
doaj   +1 more source

Ohio Soil Test Summary 1971-72 [PDF]

open access: yes, 1973
PDF pages ...
Follett, R. H., Trierweiler, John F.
core  

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

open access: yesFEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke   +4 more
wiley   +1 more source

Visualizing nutrient synergies: STCR approach towards NPK balancing and yield targeting in barnyard millet

open access: yesBMC Plant Biology
Background Achieving higher productivity and long-term sustainability in millet-based systems requires precision nutrient management that considers soil variability, crop demand, and soil health.
Krishna Murthy Rangaiah   +7 more
doaj   +1 more source

Determination of Soil Micronutrient Critical Values Using Mehlich 3 Extractant for Principal Field Crops

open access: yesAgronomy
Reliable soil critical values (SCVs) for micronutrients are essential for accurate fertilizer recommendations. This study established crop-specific SCVs for boron (B), copper (Cu), iron (Fe), manganese (Mn), and zinc (Zn) extracted with Mehlich-3 under ...
Jolanta Korzeniowska   +2 more
doaj   +1 more source

Circular 66 [PDF]

open access: yes, 1989
Phosphorus (P) along with nitrogen (N) and potassium (K) comprise the three macronutrients most frequently added as fertilizer for growing plants. In Alaska soils, P is often the second most limiting nutrient after N. A proper supply of plant-available
Michaelson, Gary J., Ping, Chien Lu
core  

Construction and testing of self-drilled soil nails [PDF]

open access: yes, 2016
Current standards and best practice guidance recognise that testing of self-drilled hollow bar soil nails can be problematic as conventional packers and debonded lengths cannot be constructed.
Lindsay, Fraser M.   +2 more
core   +2 more sources

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