Growth, bulb yield and quality of onion (Allium cepa L.) as influenced by nitrogen and phosphorus fertilization on vertisol
The slight decrease in K concentration in oxalic acid for the Vertisol
, Aridisol and Entisol may be due to the trapping of K ions or K-bearing minerals by Ca oxalate precipitation (McBride et al.
The soil is Vertisol
type having clay textural class.
They are on a crystalline geological structure where the most present types are: Chromic vertic luvisol--tc (Noncalcic brown vertic), Chromic orthic vertisol--vc (Vertisol
) and Lithic entisol--rl (Litholic soil).
Locally, it is the tropical black clay called Akuse series  which is categorized as a vertisol
Tambien, esta comunidad vegetal puede reconocerse por su desarrollo en suelos grises arcillosos tipo vertisol
, con drenaje deficiente, localmente conocidos como Ak'alches (Duch-Gary, 1989; Palacio-Aponte, Noriega-Trejo, & Zamora-Crescencio, 2002).
R., "Long-term Influence of Organic and Inorganic Fertilization on Soil Fertility and Productivity of Soybean-Wheat System in a Vertisol
, " J.
The experiment was carried out from January 2013 to January 2016, in a commercial plantation, in the Sector 7 of the 'Varzeas de Sousa' Irrigation District, PB, in saline-sodic typic Ebanic Vertisol
(Santos et al., 2013), at the geographic coordinates 06[degrees] 57' 40'' S and 37[degrees] 48' 22" W.
Isma F1) cultivated in North-Eastern Algeria was evaluated under greenhouse and field conditions in a vertisol
soil intended for the cultivation of industrial tomato.