 | Chemical Society (Great Britain) - Chemistry - 1907 - 1398 pages
...exercise a similar protective action, without, however, taking the place of calcium as a nutrient. NHJM Phosphoric Acid Removed by Crops, by Dilute Nitric Acid and by Ammonium Hydroxide, from a Limed and Unlimed Soil Receiving Various Phosphates. BURT L. HARTWELL and JAMES W.... | |
 | United States. Office of Experiment Stations - Agricultural experiment stations - 1906 - 1478 pages
...was expre.ssod for the I normal nitric acid. BL Hartwell and JW Kellogg reported determinations of the phosphoric acid removed by crops, by dilute nitric acid, and by ammonium hydroxid from a limed and unlimcd soil receiving1 various phosphates. The result** with flat turnips indicated that this crop... | |
 | Rhode Island Agricultural Experiment Station - 1904 - 752 pages
...increased by liming, the amount of iron in the ferrous condition would be found to have been decreased. THE PHOSPHORIC ACID REMOVED BY CROPS, BY DILUTE NITRIC...LIMED AND UNLIMED SOIL RECEIVING VARIOUS PHOSPHATES.* BL HARTWELL AND JW KELLOGG. f GENERAL PLAN OF THE FIELD EXPERIMENT. The experiment which rendered advisable... | |
 | United States. Office of Experiment Stations - Agricultural experiment stations - 1906 - 1362 pages
...was expressed for the I normal nitric acid. BL Hart well and JW Kellogg reported determinations of the phosphoric acid removed by crops, by dilute nitric...limed and unlimed soil receiving various phosphates. The results with flat turnips indicated that this crop may serve a useful purpose in testing the relative... | |
 | Michigan State University. Agricultural Experiment Station - Agriculture - 1916 - 956 pages
...and crop growth. In Jour. Agr. Res. v. 12, No. 6, p. 369. (15) Hartwell, BL and Kellogg, JW, 1905. The phosphoric acid removed by crops, by dilute nitric acid and by ammonium hydroxid from a lime and unlimed soil receiving various phosphates. In 18th Am. Rep. RI Agr. Expt. Sta., p. 253. (16)... | |
 | National Agricultural Library (U.S.) - Agriculture - 1927 - 658 pages
...Some data on humus-phosphoric acid. Soil Sci. 3:99-111. tabs. 1917. Kartweil, BL , and Kellogg, J. 77. The phosphoric acid removed by crops, by dilute nitric acid, and by acmoniun hydroxid from a limsd and an unlimed soil receiving various phosphates. US Dept. Agr. Bur.... | |
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Kellogg reported determinations of the phosphoric acid removed by crops, by dilute nitric acid, and by ammonium hydroxid from a limed and unlimed soil receiving various phosphates. 