The forms of potassium and potassium adsorption in some virgin soils from south-western Australia
This investigation was undertaken to determine the potassium (K) status and adsorption
behaviour of 227 samples from horizons of 41 representative virgin soil profiles, extending …
behaviour of 227 samples from horizons of 41 representative virgin soil profiles, extending …
[图书][B] Trace elements in the rhizosphere
GR Gobran, WW Wenzel, E Lombi - 2000 - taylorfrancis.com
The first book devoted to the complex interactions between trace elements, soils, plants, and
microorganisms in the rhizosphere, Trace Elements in the Rhizosphere brings together the …
microorganisms in the rhizosphere, Trace Elements in the Rhizosphere brings together the …
Effect of different K: Na ratios in soil on dispersive charge, cation exchange and zeta potential
E Farahani, H Emami, A Fotovat… - European Journal of …, 2019 - Wiley Online Library
The role of potassium (K) in clay dispersion in agricultural soils containing large
concentrations of K could be similar to Na. This research was carried out to assess the effect …
concentrations of K could be similar to Na. This research was carried out to assess the effect …
Influence of soil solution Ca concentration on short‐term K release and fixation of a loamy soil
A Schneider - European journal of soil science, 1997 - Wiley Online Library
The Ca concentration of the soil solution influences K plant nutrition by its influence on K
concentration of the soil solution and on soil buffer power through ion exchange and K …
concentration of the soil solution and on soil buffer power through ion exchange and K …
Short‐term release and fixation of K in calcareous clay soils. Consequence for K buffer power prediction
A Schneider - European journal of soil science, 1997 - Wiley Online Library
Non‐exchangeable K always contributes to some degree to plant nutrition. To understand
this contribution and to deduce a predictive buffer power model the release and fixation of K …
this contribution and to deduce a predictive buffer power model the release and fixation of K …
Selective sorption of potassium in a weathering sequence of volcanic ash soils from Guadeloupe, French West Indies
S Ndayiragije, B Delvaux - Catena, 2004 - Elsevier
Volcanic ash soils are usually associated within the weathering sequence glass→
allophane→ halloysite. On the eastern slopes of the volcano La Soufrière, Guadeloupe, this …
allophane→ halloysite. On the eastern slopes of the volcano La Soufrière, Guadeloupe, this …
[PDF][PDF] Potassium adsorption characteristics of soils under long term maize-legume cropping sequence
Potassium adsorption isotherms of rainfed maize growing soils of North Kashmir were
studied to visualize the adsorption behavior and factors affecting adsorption. The soils vary …
studied to visualize the adsorption behavior and factors affecting adsorption. The soils vary …
[PDF][PDF] Potasio en suelos de Yucatán
L Borges-Gómez, A Escamilla-Bencomo… - Terra …, 2005 - redalyc.org
Los suelos de Yucatán, México, muestran una amplia gama de expresiones morfológicas,
debido a la diversidad de los materiales de origen ya las condiciones climáticas y …
debido a la diversidad de los materiales de origen ya las condiciones climáticas y …
Surface properties and clay mineralogy of hydrated halloysitic soil clays. I: Existence of interlayer K+ specific sites
Six deferrated clay (< 2 µm) samples from the major B horizons of pedons derived from
basaltic pyroclasts (Western Cameroon) were selected. These soil clays, which differ mainly …
basaltic pyroclasts (Western Cameroon) were selected. These soil clays, which differ mainly …
Modelling of K/Ca exchange in agricultural soils
A Schneider, A Mollier - Geoderma, 2016 - Elsevier
The exchange selectivity of soil toward K relative to Ca increases in the depletion profile
near roots during plant uptake. The modelling of the soil K/Ca exchange is thus necessary …
near roots during plant uptake. The modelling of the soil K/Ca exchange is thus necessary …