Results 31 to 40 of about 1,489 (161)

Phosphorus Sorption Capacity and Its Relationships With Soil Properties Under Podzolic Soils of Atlantic Canada

open access: yesFrontiers in Soil Science, 2022
Repetitive long-term fertilizer application leads to phosphorus (P) accumulation in agricultural soils. This can pose environmental risks if the soil’s phosphorus storage capacity is not well understood and considered when planning nutrient management ...
Amana Jemal Kedir   +7 more
doaj   +1 more source

Climate Shapes Elevational Gradients in Concentration, Composition, and Functional Diversity of Willow Metabolomes

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Plants produce broad spectra of metabolites comprising primary metabolites involved in core physiological processes and specialized metabolites mediating responses to biotic and abiotic stress. Understanding how these various components of the metabolome respond to different environmental pressures can help us to understand drivers of ...
Sofian A. Renoult   +15 more
wiley   +1 more source

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

Effects of irrigated cover crop cultivation period on common bean and soybean yield

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Cover crop inclusion is essential for improving soil management in tropical no till systems; however, the optimal duration of irrigated off‐season cultivation remains uncertain. This 3‐year field study evaluated nine cover crop species or mixtures and four cultivation periods (60, 75, 90, and 105 days) on biomass production, soil chemical ...
Adriano S. Nascente   +8 more
wiley   +1 more source

Calibração de métodos de determinação de fósforo em solos cultivados sob sistema plantio direto Calibration of phosphorus extraction methods in soils cultivated under no-tillage

open access: yesRevista Brasileira de Ciência do Solo, 2008
A mudança no sistema de preparo do solo e cultivo das plantas, do sistema convencional para o plantio direto, na profundidade de amostragem e o aumento de rendimento das culturas, ao longo do tempo podem alterar os teores críticos de P, as faixas de ...
Jairo André Schlindwein   +1 more
doaj   +1 more source

Evaluating soil amendments for establishment of centipedegrass sod

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Soil amendments are frequently incorporated prior to turfgrass sod installation to improve rooting and establishment; however, these materials represent a substantial cost to contractors, sod producers, and homeowners. Despite the widespread use of compost, topsoil, and sand, limited information exists on whether these amendments provide ...
Yaohui Liu   +2 more
wiley   +1 more source

Boron extraction and vertical mobility in Paraná State oxisol, Brazil Extração e mobilidade vertical de boro em latossolo vermelho eutroférrico no Estado do Paraná

open access: yesRevista Brasileira de Ciência do Solo, 2009
The deficiency or excess of micronutrients has been determined by analyses of soil and plant tissue. In Brazil, the lack of studies that would define and standardize extraction and determination methods, as well as lack of correlation and calibration ...
Waldemar de Oliveira Neto   +4 more
doaj   +1 more source

Crop and soil responses to 24 years of wheat residue removal and tillage

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Retaining crop residue on agricultural land mitigates soil erosion and conserves nutrients, but its removal generates a valuable commodity for competing uses in agriculture and industry. Understanding long‐term effects of crop residue removal on crop performance and soil condition is essential to guide management decisions regarding ...
Mark A. Liebig   +5 more
wiley   +1 more source

Extração de cobre e de zinco por soluções multielementares em solos do sul do Brasil Copper and zinc extracted by multielement solution for Southern Brazilian soils

open access: yesCiência Rural, 2010
As quantidades extraídas de cobre (Cu) e de zinco (Zn) pelas soluções de HCl 0,1mol L-1 (HCl) foram comparadas com as extraídas pelas soluções de Mehlich-1 (M1) e de Mehlich-3 (M3).
Leandro Bortolon, Clesio Gianello
doaj  

Extraction methods and availability of micronutrients for wheat under a no-till system with a surface application of lime Métodos de extração e disponibilidade de micronutrientes para o trigo cultivado em plantio direto com calagem na superfície

open access: yesScientia Agricola, 2010
Micronutrient availability can be affected by the increase of the soil pH due to surface liming. A field trial was carried out on a loamy, kaolinitic, thermic Typic Hapludox at Ponta Grossa, Paraná State, Brazil.
Adriel Ferreira da Fonseca   +2 more
doaj   +1 more source

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