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http://krishi.icar.gov.in/jspui/handle/123456789/12769| Title: | Role of Nutrient Imbalance on Yellow Leaf Disease in Smallholder Arecanut Systems on a Laterite Soil in India |
| Other Titles: | Not Available |
| Authors: | Bhat Ravi Sujatha, S Jose, C. T. |
| ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
| Author's Affiliated institute: | ICAR::Central Plantation Crops Research Institute |
| Published/ Complete Date: | 2016-05-01 |
| Project Code: | Not Available |
| Keywords: | Arecanut; CND indices; nutrient imbalance; soil fertility; yellowing |
| Publisher: | Taylor & Francis |
| Citation: | Ravi Bhat, S. Sujatha & C. T. Jose (2016) Role of Nutrient Imbalance on Yellow Leaf Disease in Smallholder Arecanut Systems on a Laterite Soil in India, Communications in Soil Science and Plant Analysis, 47:15, 1738-1750, DOI: 10.1080/00103624.2016.1206915 |
| Series/Report no.: | Not Available; |
| Abstract/Description: | On-farm trials in India investigated the role of nutrient imbalance on yellow leaf disease (YLD) in arecanut on a laterite soil using compositional nutrient diagnosis (CND) approach. Soil fertility status was imbalanced with high organic carbon status and low phosphorus (P) and potassium (K). The CND norms indicated that the order of nutrient demand was changed with nutrient application. Interventions increased yield by 50% during 2007– 2010. The correlations indicated positive effect of nitrogen (N) and K and negative effect of manganese (Mn) on yield. The CND indices for NPK were important discriminators between yellowed and apparently healthy populations both in 2007 and 2010. Linear regressions between leaf nutrient concentrations and CND indices were significant for P, K, iron (Fe), Mn, and copper (Cu) (R2 = 0.44–0.53). Results suggest that the predisposing factor for YLD might be nutrient imbalance in the soil leading to deficit of major nutrients in plant. |
| Description: | Not Available |
| ISSN: | 0010-3624 |
| 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.: | 47(15) |
| Page Number: | 1738-1750 |
| Name of the Division/Regional Station: | Not Available |
| Source, DOI or any other URL: | http://dx.doi.org/10.1080/00103624.2016.1206915 |
| URI: | http://krishi.icar.gov.in/jspui/handle/123456789/12769 |
| Appears in Collections: | HS-CPCRI-Publication |
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