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Anelastic spectroscopy in potassium aluminum metaphosphate glasses
(2006-09-15)
Anelastic spectroscopy (internal friction and the dynamic modulus) was measured by means of a torsion pendulum at 3-12 Hz, in the range of 100-300 K, for a KAP metaphosphate glass. Two thermally activated internal friction ...
Cloreto de potássio revestido em efeito residual no feijoeiro de inverno irrigado na região de cerrado
(2013-05-01)
In order to maintain the nutrients available to plants have been studied controlled release fertilizers. In this context, the objective was to evaluate the residual effect of doses of potassium chloride, coated or not, ...
Further studies on the relationship between potassium and sodium levels and adrenocortical activity
(1978)
Steroid production in vitro by dog adrenal cortical slices was measured in the presence of varying concentrations of sodium and potassium ions. Increasing concentrations of potassium produced a signincant increase in the ...
Potassium chloride production by microcline chlorination
(Elsevier Science, 2015-06)
The potassium chloride is one of the most important fertilizers used in agriculture. The current demand of this salt makes interesting the study of potassium chloride production from unconventional potassium resources. In ...
Effect of potassium on nutritional status and productivity of peanuts in succession with sugarcane
(2015-01-01)
Potassium contained in sugarcane straw quickly returns to the soil in a form readily available to crops. Thus, the objective of this study was to evaluate the effect of potassium on the nutritional status and grain yield ...
Fontes de potássio não trocável e potássio total em quatro solos do Estado do Ceará
(2007-12-01)
The mineralogical composition of the soil plow layer (0-20 cm) was analyzed for the following soil suborders (according to the Brazilian soil taxonomy): Neossolo Quartzarênico. Argissolo Vermelho-Amarelo, Cambissolo Háplico ...
Fontes de potássio não trocável e potássio total em quatro solos do Estado do Ceará
(2007-12-01)
The mineralogical composition of the soil plow layer (0-20 cm) was analyzed for the following soil suborders (according to the Brazilian soil taxonomy): Neossolo Quartzarênico. Argissolo Vermelho-Amarelo, Cambissolo Háplico ...
Alternatives for the production of Potassium Fertilizers in Argentina
(Longdom, 2019-12)
The use of potassium fertilizers on crops brings with good yields of crops and maximum profitability for farmers. Currently in Argentina, the level of production of potash fertilizers does not cover the needs of the sector ...