 | James John Howard Gregory - Fertilizers - 1885 - 144 pages
...quantity of sulphuric acid as before, with the same brisk shovelling of the mass, and leave the substances to act for another twenty-four hours upon each other....they are all uniformly mixed together." It will be noted, that the two last processes use half or less than half the usual quantity of acid allowed for... | |
 | California. State Board of Horticulture - Fruit-culture - 1890
...of vitriol of 60 degrees strength, the agitation of the shovel being continued. A brisk effervesence of the mass will ensue, which will not, however, rise...that the last two processes use half or less than half the usual quantity of acid allowed for a hundred pounds of bone. The phosphoric acid in finely... | |
 | California. Department of Agriculture - Agriculture - 1890 - 566 pages
...of vitriol of 60 degrees strength, the agitation of the shovel being continued. A brisk effervesence of the mass will ensue, which will not, however, rise...that the last two processes use half or less than half the usual quantity of acid allowed for a hundred pounds of bone. The phosphoric acid in finely,... | |
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... set it aside; throw the coarser part into the cavity and sprinkle it, during continued stirring, with three quarts of water, until the whole is uniformly moistened; add gradually eleven pounds of oil of vitriol of 60 degrees strength, the agitation... 