Growth Efficiency, Productivity and Economics of Direct Seeded Rice as Influenced by Nitrogen Level and Weed Management | Zendy

R.K.Tiwari | Zendy; Gaurav Mahajan | Zendy; Amit Jha | Zendy; SK Singh | Zendy; S.K. Tripathi | Zendy

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Growth Efficiency, Productivity and Economics of Direct Seeded Rice as Influenced by Nitrogen Level and Weed Management

Author(s) -

R.K.Tiwari,

Gaurav Mahajan,

Amit Jha,

SK Singh,

S.K. Tripathi

Publication year - 2017

Publication title -

journal of pure and applied microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.149

H-Index - 16

eISSN - 2581-690X

pISSN - 0973-7510

DOI - 10.22207/jpam.11.2.41

Subject(s) - productivity , weed control , agronomy , seeding , nitrogen , weed , agroforestry , environmental science , agricultural economics , economics , biology , chemistry , macroeconomics , organic chemistry

Field experiment conducted at College of Agriculture, Rewa, Madhya Pradesh revealed that plant height, number of tillers/m2, leaf area index (LAI), dry matter accumulation (DMA) in plants, Crop growth rate (CGR) and net assimilatory rate (NAR) were higher in plots getting hand weeding twice and with application of 125 kg N/ ha (N3) as compared to lower levels of nitrogen application and other weed management practices, whereas, application of butachlor + dhaincha (1:1) + 1hand weeding had comparatively surpassed other weed management practices. Similarly, yield attributes were significantly higher in hand weeding twice with application of butachlor + dhaincha (1:1) + 1 hand weeding . Highest (1.77) net B:C ratio was captured with application of butachlor + dhaincha (1:1) + 1hand weeding and lowest (0.87) under weedy check.

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