Laboratory Manual of Agricultural Chemistry
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In our eReader you can find the full English version of the book. Read Laboratory Manual of Agricultural Chemistry Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Laboratory Manual of Agricultural Chemistry
What reading level is Laboratory Manual of Agricultural Chemistry book?
To quickly assess the difficulty of the text, read a short excerpt:
Calculate and report the percentage of humus in sample.
Questions 1. What is humus ? 2. What are humates ? 3. What is humic acid? 4. Give reasons for each step in the determination.
5. Of what value is the humus determination ? 6. Discuss the relation of organic matter in soils to fertility.
Experiment No. 28 DETERMINATION OF NITROGEN IN SOIL (NITRATES ABSENT) Place 7 g. of soil in an 800 cc. Kjeldahl digestion flask with 30 cc. concentrated C. P. sulphuric acid, and continue as in Experiment N...o. 19. Make duplicate determina- tions. Calculate and report the percentage of nitrogen.
[37] Experiment No. 29 TEST rOR ACIDITY OR ALKALINITY OF SOIL AND DETERMINATION OF LIME REQUIREMENTS Place about 10 o". of soil in a beaker and add 75 cc. dis- tilled water. After evaporating the filtrate to an approxi- mate volume of 20 cc., stir for about five minutes and filter.
Test the filtrate with phenolphthalein indicator to see if the solution is alkaline or acid. If the solution is alkaline, then determine whether it is due to Na„COg, Na.^SO^, or CaCO^ in solution.
What to read after Laboratory Manual of Agricultural Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Charles Cleveland Hedges to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Calculate and report the percentage of humus in sample.
Questions 1. What is humus ? 2. What are humates ? 3. What is humic acid? 4. Give reasons for each step in the determination.
5. Of what value is the humus determination ? 6. Discuss the relation of organic matter in soils to fertility.
Experiment No. 28 DETERMINATION OF NITROGEN IN SOIL (NITRATES ABSENT) Place 7 g. of soil in an 800 cc. Kjeldahl digestion flask with 30 cc. concentrated C. P. sulphuric acid, and continue as in Experiment N...o. 19. Make duplicate determina- tions. Calculate and report the percentage of nitrogen.
[37] Experiment No. 29 TEST rOR ACIDITY OR ALKALINITY OF SOIL AND DETERMINATION OF LIME REQUIREMENTS Place about 10 o". of soil in a beaker and add 75 cc. dis- tilled water. After evaporating the filtrate to an approxi- mate volume of 20 cc., stir for about five minutes and filter.
Test the filtrate with phenolphthalein indicator to see if the solution is alkaline or acid. If the solution is alkaline, then determine whether it is due to Na„COg, Na.^SO^, or CaCO^ in solution.
What to read after Laboratory Manual of Agricultural Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Charles Cleveland Hedges to read onlineMoreLess
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