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http://krishi.icar.gov.in/jspui/handle/123456789/37279| Title: | Novel slow-releasing micronutrient fertilizers. I. Zinc Compounds |
| Other Titles: | Not Available |
| Authors: | Ray, S.K., Varadachari, Chandrika and Ghosh, Kunal |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::National Bureau of Soil Survey and Land Use Planning |
| Published/ Complete Date: | 1993-06-01 |
| Project Code: | Not Available |
| Keywords: | Slow-releasing zinc fertilizer, polyphosphates, paddy yield |
| Publisher: | American Chemical Society |
| Citation: | Ray, S.K., Varadachari, Chandrika and Ghosh, Kunal (1993). Novel slow-releasing micronutrient fertilizers. I. Zinc Compounds. Industrial & Engg. Chemistry Research (American Chemical Society), 32(6): 1218-1227. |
| Series/Report no.: | Not Available; |
| Abstract/Description: | A new concept for slow-releasing micronutrient compounds is proposed, based on the short chain polyphosphate framework. The development of a zinc fertilizer, the first of such compounds are described. Kinetic studies indicate that zinc phosphate polymerize in several linear stages. The polyphosphates are in general, extremely water soluble and hygroscopic; moreover, those with solubility contain a high proportion of unavailable Zn2+. Initially, it was not possible to obtain zinc polyphosphate having low water solubility and high nutrient availability. Solubility hygroscopicity were attributed to free acid groups on the polyphosphate chain; neutralization of these groups indeed removed these undesirable characteristics. The fertilizers formulated have average chain length of 2.35, contain some crystalline phases, have low water solubility, and almost completely soluble in dilute HCl, citrate, diethylenetriaminepentaacetate. P1 experiments indicate that the zinc polyphosphate is either equivalent to or better than ZnSC |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Research Paper |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Industrial & Engineering Chemistry Research |
| NAAS Rating: | 9.57 |
| Volume No.: | 32(6) |
| Page Number: | 1218-1227 |
| Name of the Division/Regional Station: | Regional Centre, Nagpur |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/37279 |
| Appears in Collections: | NRM-NBSSLUP-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| HRC paper-1.pdf | 12.13 MB | Adobe PDF | View/Open |
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