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http://krishi.icar.gov.in/jspui/handle/123456789/58995| Title: | Malachite green method compared to ascorbic acid for estimating small amounts of phosphorus in water, 0.01 M calcium chloride, and olsen soil extracts |
| Other Titles: | Not Available |
| Authors: | A. Subba Rao , K. Sammi Reddy & P. N. Takkar |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR-CRIDA |
| Published/ Complete Date: | 2014-06-30 |
| Project Code: | Not Available |
| Keywords: | Chemical P fractions |
| Publisher: | Not Available |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | Malachite green method has been evaluated for estimating minute quantities of phosphorus (P) in water, 0.01M calcium chloride (CaCl2), and Olsen [sodium bicarbonate (NaHCO3)] extracts often soils of varying properties. The precision and accuracy of the malachite green method was better than that of the ascorbic acid method to estimate P in these three extracts. The recovery of added P ranged from 95.3-99.3% in water, 96-100% in 0.01M CaCl2, and 96.7-100% in Olsen extracts. The ascorbic acid method underestimated the amounts of 0.01M CaCl2-P and its precision was also lower than the malachite green method. It is possible to predict the P concentration in the three extracts equal to malachite green method from the ascorbic acid P values by using regression equations. |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Communications in Soil Science and Plant Analysis |
| NAAS Rating: | 6.77 |
| Volume No.: | 28:6-8 |
| Page Number: | 589-601 |
| Name of the Division/Regional Station: | DRM |
| Source, DOI or any other URL: | DOI: 10.1080/00103629709369813 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/58995 |
| Appears in Collections: | NRM-CRIDA-Publication |
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