[PDF] Top 20 Esterilización y Preparación de Medios de Cultivo

... [23] Soil samples from the different age series mine spoil samples were collected, air dried and crushed to pass through ...with soil, with constant tapping, to ensure uniform packing. The ... See full document

... The overburden soil contain high percentage of heavy metals and are poor in essential ...poor soil texture. Chromite overburden contains high levels of chromium, iron, nickel, aluminium ... See full document

... Usar soils are unproductive, impermeable and hard due to the presence of undesirable salts on the surface. These soils are grouped into two broad categories- the saline (solenchak) and the alkaline (solonetz or Sodic). ... See full document

... coalmine overburden spoils were both physically and chemically ...in overburden spoil in all the mining ...in physico chemical ...density, soil porosity, organic carbon, available ... See full document

... of overburden dumps through excavation and depositing removed soil and rock ...different soil amendments such as chemical fertilizer, bio- compost, vermicompost, bio-fertilizer and fly-ash in ... See full document

... The raw water of the pool water of Kongou Gorou has a hardness of 17,9mg / l. This hardness is relatively weak compared in Mediterranean zone and particularly in Algeria. Indeed, in this country, water from the Seybousse ... See full document

... several physico-chemical complementary methods for the characteriza- tion of soil (diffraction of x-rays, chemical analysis, density, cationic exchange capacity, specific sur- faces, ... See full document

... into soil quality or those that evaluate soil recovery capacity are ...on soil properties, particularly in Mediterranean ecosys- tems (Wic-Baena et ...that soil organic matter and microbial ... See full document

... The presence of heavy metals in the environment represents one of the most important environmental hazards. The results show that the soils of the studied areas are contaminated with these metals, especially given the ... See full document

... Suplhates are soluble in water and can directly be determined in the soil solution. Sulpahte like chlorides corrode steel and affect the solidity and strength of concrete, sodium sulfate causes foaming, sulphate ... See full document

... and soil because of its importance in maintaining the human health and health of the ...locked soil in any ecosystem provides valuable information about the available resources for supporting life in that ... See full document

... field mine №4 processed north-western reserves of Lipovtsy field in Primorski Krai ...the mine was declared unprofitable and was abandoned by natural flooding with no arrangement of mine water ... See full document

... Reclamation or rehabilitation from the mining industry perspective aims to achieve the return of a disturbed site to a degree of its former state or to a sustainable usable condition, it emphasises the reparation of ... See full document

... Saturation indices of minerals are very useful for evaluating the extent to which water chemistry is controlled by equilibrium with solid phases (Appelo and Postma, 1993). The saturation indice (SI) was evaluated using ... See full document

... Coal spoil (CS) is a coal mining waste generated during mining and beneficia- tion of coal in coal mine. It is composed of various types of minerals, rocks and carbonaceous materials depending on the quality of ... See full document

... the soil solution was lower than ...rising soil pH values and reached on average ...alkaline soil pH (pH > 6.6) (Table 2, Figure 2a). In the soil solution of soils with pH value higher than ... See full document

... In Sadli reservoir, the water temperature increased during warmer months and decreased during colder months. Similar seasonal variations were also observed by Survey. Water level plays an important role in governing the ... See full document

... In the present study Cu content in the soil varied from 0.102 (Sample No.-11) to 5.418 mg/kg. (Sample No.-1). The values of Cu were above the critical limit for the black soil region. It suggest that the ... See full document

... Boron is held in organic combinations for which it may be released for crop use. The contents of this nutrient in the top soil is generally higher than the noticeable greater boron deficiency in period of dry ... See full document

... diverse soil and other land resources. The few existing soil resource inventories are characterized by their small scale nature with high level of generalization, being based on rather few observations ... See full document