Report On a Soil Survey of Zone No 1 Gharbya 1921
Report On a Soil Survey of Zone No 1 Gharbya 1921
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To quickly assess the difficulty of the text, read a short excerpt:
It would probably not answer in dry or sandy soils. In such cases it would be difficult to obtain a satisfactory bore, and it is possible that the tube would not retain the sample long enough to allow of its being brought to the surface.
The actual work of taking the samples was performed by members of the State Domains staff under the direction of Mr. C. F. O'Keefe. After partial drying the samples were despatched in batches of ten to twenty to the Chemical Laboratory for examination. On reach...ing the Laboratory the samples were further dried in the sun, the lumps being gradually reduced in size during the process of drying. This was continued until the soil was dry enough to be rubbed down with a wooden pestle. A small quantity was then dried at 100 C. And from this portions were taken for examination.
For the mechanical analysis 5 grammes of the soil were treated with 100 c. C. Of a 0-1 per cent solution of sodium carbonate and boiled for fifteen minutes. This mixture was then transferred to a beaker of tall form and the level of the liquid brought to a height of ten centi- metres by the addition of water.
What to read after Report On a Soil Survey of Zone No 1 Gharbya 1921?
You can find similar books in the "Read Also" column, or choose other free books by Frank Hughes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It would probably not answer in dry or sandy soils. In such cases it would be difficult to obtain a satisfactory bore, and it is possible that the tube would not retain the sample long enough to allow of its being brought to the surface.
The actual work of taking the samples was performed by members of the State Domains staff under the direction of Mr. C. F. O'Keefe. After partial drying the samples were despatched in batches of ten to twenty to the Chemical Laboratory for examination. On reach...ing the Laboratory the samples were further dried in the sun, the lumps being gradually reduced in size during the process of drying. This was continued until the soil was dry enough to be rubbed down with a wooden pestle. A small quantity was then dried at 100 C. And from this portions were taken for examination.
For the mechanical analysis 5 grammes of the soil were treated with 100 c. C. Of a 0-1 per cent solution of sodium carbonate and boiled for fifteen minutes. This mixture was then transferred to a beaker of tall form and the level of the liquid brought to a height of ten centi- metres by the addition of water.
What to read after Report On a Soil Survey of Zone No 1 Gharbya 1921?
You can find similar books in the "Read Also" column, or choose other free books by Frank Hughes to read onlineMoreLess
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