Results 11 to 20 of about 459,610 (264)

Self-potential near surface and subsurface Investigation for soil and ground water in Farming land nearby Quldara Village /Northeast Kirtuk/Nothern Iraq

open access: yesTikrit Journal of Pure Science, 2018
Near surface soil and subsurface self-potential investigations were carried out in farming land nearby Quldara Village/Northeast Kikruk town about 15 km at area about 63000 m2.
Dhahir K. ALI
doaj   +1 more source

Decomposição de amostras de solos assistida por radiação microondas: estratégia para evitar a formação de fluoretos insolúveis Microwave-assisted decomposition of soil samples: strategies to avoid formation of insoluble fluoride salts

open access: yesRevista Brasileira de Ciência do Solo, 2005
A decomposição de amostras que contêm elevados teores de Si, utilizando mistura com os ácidos nítrico e fluorídrico, pode provocar a precipitação de fluoretos de Al(III), Ca(II), Fe(III) e Mg(II) durante a digestão, impedindo a recuperação total desses ...
Edivan Carvalho Vieira   +4 more
doaj   +1 more source

Estatísticas dos resultados das análises de laboratório de solo Statistical analysis of a soil testing laboratory results

open access: yesCiência Rural, 1996
O presente trabalho teve como objetivos estudar as estatísticas dos valores analíticos das análises de solo realizadas no Laboratório de Análise de Solos da Universidade Federal de Santa Maria (LAS/UFSM) durante o período de 1988 à 1993 e obter valores ...
Alberto Cargnelutti Filho   +2 more
doaj   +1 more source

Re-evaluation of manganese solubility as affected by soil sample preparation in the laboratory

open access: yesBrazilian Archives of Biology and Technology, 2005
Laboratory experiments were conducted to re-evaluate the effects of drying and the time between drying and Mn analysis on soil Mn solubility using maize seedlings as test plant.
Emilene Andrade   +3 more
doaj   +1 more source

Arbuscular Mycorrhizal Fungi and Fertilization Influence Yield, Growth and Root Colonization of Different Tomato Genotype

open access: yesPlants, 2022
Arbuscular mycorrhizal fungi (AMF) are beneficial for plant development and help absorb water and minerals from the soil. The symbiosis between these fungi and plant roots is extremely important and could limit crop dependence on fertilizers.
Zoltán Felföldi   +6 more
doaj   +1 more source

Efeito da moagem do solo no teor de fósforo disponivel por Mehlich-1, resina em esferas e em lâmina Effect of soil grinding on available phosphorus content by Mehlich-1, bead and membrane ion exchange resins

open access: yesRevista Brasileira de Ciência do Solo, 2008
A moagem intensa de amostras de solo é necessária à utilização do método da resina de troca iônica, para a determinação do P disponível, adotado em alguns laboratórios no Brasil.
Marcelo Vieira Rolim   +3 more
doaj   +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

Role of soil biota in the formation of soil fertility in agricultural landscapes of Akmola region, Kazakhstan [PDF]

open access: yesCaspian Journal of Environmental Sciences
Biofertilizers are needed to restore soil fertility. Long-term use of chemical fertilizers causes soil degradation and affects crop yield. Biofertilizers increase the soil's water-holding capacity and add nutrients like nitrogen, vitamins, and proteins ...
Aigerim Tulesheva, Bolat Yessimov
doaj   +1 more source

Soil erosion modelling: A bibliometric analysis

open access: yesEnvironmental Research, 2021
Soil erosion can present a major threat to agriculture due to loss of soil, nutrients, and organic carbon. Therefore, soil erosion modelling is one of the steps used to plan suitable soil protection measures and detect erosion hotspots. A bibliometric analysis of this topic can reveal research patterns and soil erosion modelling characteristics that ...
Nejc Bezak   +65 more
openaire   +8 more sources

Micro- and Nanoplastic Analysis in Soils [PDF]

open access: yesChimia, 2018
MP and NP particles in soils can be analyzed by wet chemical sample preparation, FTIR microscopy and STXM to investigate their occurrence and fate in the environment.
Bigalke, Moritz   +5 more
openaire   +4 more sources

Home - About - Disclaimer - Privacy