Experiment II: Upland rice cultivation in aluminic soil
However, they were cultivated in pots containing aluminic soil (m% > 50%) and evaluated for the number of panicles per plant, grain production, shoot dry matter and harvest index of the cultivars under stress by [Al.
The soil used in the experiment was of low natural fertility and aluminic, classified as Dark Red Latosol, with medium sandy texture, which showed the following chemical characteristics: 7 mg [dm.
To reinforce the results of the Experiment I (nutrient solution), a second experiment was conducted with the same cultivars; however, they were grown in pots with aluminic soil (Table 3).
In this study, the peloids were prepared using as solid phase two bentonites, aluminic and magnesium respectively, and as liquid phase, distilled water.
There are small differences in the degree of aggregation between the fabric of the aluminic phase and the magnesium.
This article is the result of the research project ACTICLAY: A High-Performance Aluminic
Pozzolan, registration number 1106-06-10941, developed by the research group on Composite Materials of the Universidad del Valle, Cali, Colombia and financed by Colciencias.
It was first reported by Brown (1884) as "hydrous manganous aluminic sulphate.
1884) A new hydrous manganous aluminic sulphate from Sevier County, Tennessee.
laterite consists of gibbsite (Al(OH)3) and boehmite (AlOOH) and is the main ore of aluminium.
The soil of the experimental area was a cambic aluminic
Brown Latosol, with prominent A horizon, gently undulating relief and basalt substrate (EMBRAPA, 1999), with textural class varying from clayey to very clayey.
The region's soil has a basaltic rock origin, classified as brown latosol aluminic
cambic (Oxisol-class A) with clay texture (EMBRAPA, 1999).