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http://krishi.icar.gov.in/jspui/handle/123456789/76437| Title: | EFFECT OF COMBINED VARiATION IN LIGHT IRRADIANCE AND POTASSIUM ON RICE (ORYZA SATIVA L) |
| Other Titles: | Not Available |
| Authors: | V.P. SINGH. S.R. VOLETl AND NAY ARORA |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | Division of PLant Physiology Indian Agricultural Research Institute |
| Published/ Complete Date: | 1998-10-01 |
| Project Code: | Not Available |
| Keywords: | Ught irrad&ance. potassium. rice. |
| Publisher: | Ann. agric. Res |
| Citation: | Not Available |
| Series/Report no.: | Not Available; |
| Abstract/Description: | The influence of varied potassium nutrition (20 and 40 ppm) at two levels of light irradiance on rice t.Orvza StJl;VQ (L) indicated that low light irradiance operative from 40 days after planting (DAP) to harvest reduced all physiological parameters studied. at-flowering and harvest stage though leaf area. specific leaf weight (SLW). chloro- phyll and sterility increased at both potassium levels. During the transition from veg- etative to the reproductive phase the 40 ppm potassium supply could panially compen- sate. the photosynthetic me (Pn). stomatal conductance (~~), soluble protein and chlo- rophyll. At harvest. ho~. the positi ve effect of K became weaker and there was no increase in dry maIler and yield but under normal light irradiance elevated K increased the total dry. mauer and yield. Thus, potassium raised the photosynthetic rate and veg- etative growth under low ifT3diance but this was not capable of promoting the filling of grains in inadequate illumination. . |
| Description: | Not Available |
| ISSN: | Not Available |
| Type(s) of content: | Journal |
| Sponsors: | Not Available |
| Language: | English |
| Name of Journal: | Ann. agric. Res |
| Volume No.: | 19 |
| Page Number: | 475-480 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | Not Available |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/76437 |
| Appears in Collections: | CS-IIRR-Publication |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 1998 Annals of agric Res . in light irradiance and potassium...pdf | 2.79 MB | Adobe PDF | View/Open |
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