The Physical Properties of Soils : a Laboratory Guide
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To quickly assess the difficulty of the text, read a short excerpt:
T^final temperature of water in the calorimeter.
C=specific heat.
References : King, "Physics of Agriculture," p. 29 and pp.
215, 216.
Wiley, "Agricultural Analysis," Vol. I., pp.
lOO-IIO.
THE PHYSICAL PROPERTIES OF SOILS 79 STUDENT'S NOTES AND REPORT So THE PHYSICAL PROPERTIES OF SOILS SIXTEENTH EXERCISE MECHANICAL ANALYSIS OF SOILS- BOTTLE METHOD By this method an approximate analysis can be ■ made without the use of a centrifugal machine. The silt and clay groups are estimated together.
Dupl...icate analyses should be made upon prepared stock samples, in order to give the stu- dent practice. As soon as he is familiar with the details of the sepa- ration, field samples should be used. For the method of preparing field samples see the instruc- tions given on page 96.
METHOD OF MAKING THE SEPARATIONS Take twenty or thirty grams of dry, pulver- ized, sifted soil; mix thoroughly, and dry in the oven and cool in a desiccator. Weigh out two 5-gram portions.
Ignite one of these samples and calculate the loss on ignition.
What to read after The Physical Properties of Soils : a Laboratory Guide?
You can find similar books in the "Read Also" column, or choose other free books by Mccall, Arthur Gillett, 1874- to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
T^final temperature of water in the calorimeter.
C=specific heat.
References : King, "Physics of Agriculture," p. 29 and pp.
215, 216.
Wiley, "Agricultural Analysis," Vol. I., pp.
lOO-IIO.
THE PHYSICAL PROPERTIES OF SOILS 79 STUDENT'S NOTES AND REPORT So THE PHYSICAL PROPERTIES OF SOILS SIXTEENTH EXERCISE MECHANICAL ANALYSIS OF SOILS- BOTTLE METHOD By this method an approximate analysis can be ■ made without the use of a centrifugal machine. The silt and clay groups are estimated together.
Dupl...icate analyses should be made upon prepared stock samples, in order to give the stu- dent practice. As soon as he is familiar with the details of the sepa- ration, field samples should be used. For the method of preparing field samples see the instruc- tions given on page 96.
METHOD OF MAKING THE SEPARATIONS Take twenty or thirty grams of dry, pulver- ized, sifted soil; mix thoroughly, and dry in the oven and cool in a desiccator. Weigh out two 5-gram portions.
Ignite one of these samples and calculate the loss on ignition.
What to read after The Physical Properties of Soils : a Laboratory Guide?
You can find similar books in the "Read Also" column, or choose other free books by Mccall, Arthur Gillett, 1874- to read onlineMoreLess
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