The Fixation of Atmospheric Nitrogen By Sweet Clover
The book The Fixation of Atmospheric Nitrogen By Sweet Clover was written by author Maynard, Leonard Amby, 1887- [from Old Catalog] Here you can read free online of The Fixation of Atmospheric Nitrogen By Sweet Clover book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Fixation of Atmospheric Nitrogen By Sweet Clover a good or bad book?
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During this period all possible care was taken to keep conditions similar in the different pots. In sampling the soil at the end of the four-months period, no tops still showing their original form were found; however, several imdecomi^osed root crowns were found in each of the pots in which the plants had been turned under. The samples of soil taken at this period were also examined for nitrates immediately after sampling. The results of these determinations are given in table 7 : TABLE 7. FoR...M.\TiON of Nitr.\tes (Crop turned under after 116 days growth) Pot Treatment Treatment of crop at harvest Nitrates at harvest (parts per million ) Nitrates after four months (parts per million) 40 41 42 43 44 45 46 47 48 49 50 51 Unlimed Unlimed Unlimed Unlimed Slaked hme Slaked lime Slaked lime . . Removed Removed Turned under Turned under Removed Removed Turned under Turned under Removed 5 7 5 4 17 II 9 17 8 14 8 9 20 24 47 25 60 41 283 230 52 60 240 228 Slaked lime Ground limestone Ground limestone Ground limestone Removed Turned under Turned under The soil used in 19 16 contained 3 parts of nitrates per million.
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