Applied and Natural Science Foundation
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Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Abstract
Journal of Applied and Natural Science 7 (1): 279–285 (2015)
Efficacy of new herbicide (bispyribac sodium 10% sc) against different weed flora, nutrient uptake in rice and their residual effects on succeeding crop of green gram under zero tillage
S .T. Kumaran*1, G. Kathiresan2, P. Murali Arthanari3, C. Chinnusamy4 and V. Sanjivkumar5
1234Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore -641003, (Tamil Nadu), INDIA.
5Department of Soil Science, Tamil Nadu Agricultural University, Coimbatore -641003, (Tamil Nadu), INDIA.
*Corresponding author. E-mail: kumaran.agri@gmail.com
Abstract : Field experiment was conducted in the wetland farms of Tamil Nadu Agricultural University, Coimbatore during rabi season (August to February) of 2011-12 to evaluate the herbicide (Bispyribac sodium 10% SC) on weed control and their nutrient management in direct seeded lowland rice. The experiment was laid out in a Randomized Block Design (RBD) with three replications. The results revealed that Early Post Emergence (EPOE) application of bispyribac sodium 10% SC 40 g ha-1 recorded higher weed control efficiency and lesser weed density, nutrient uptake at reproductive stage of the crop. Different weed management practices imposed on rice crop did not affect the germination of succeeding green gram.

Keywords : Early post emergence, Rice, Soluble concentration, Weed management
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