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  1. Kerala Agricultural University Digital Library
  2. 1. KAUTIR (Kerala Agricultural University Theses Information and Retrieval)
  3. PhD Thesis
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/7737
Title: Studies on the interactive effects of water regimes, weed control treatments and nitrogen levels in direct-seeded rice
Authors: Singh, K N
Mohan Kumar, B
Keywords: Direct seeding of rice
Water management in rice
Nitrogen metabolism
Proline accumulation
Rice
Issue Date: 1984
Publisher: Faculty of the Post-Graduate School, Indian Agricultural Research Institute, New Delhi
Abstract: Field and green house experiments were conducted in the Division of Agronomy, Indian Agricultural Research Institute, New Delhi, during 1982 and 1983 to study the interaction of nitrogen x weed control x water regimes, on the growth, productivity and nutrient use pattern of direct seeded rice. The treatments in the field trails consisted of 4 levels of nitrogen (0, 50, 100 and 150 kg N ha-1). 3 weed control treatments (weedy check, butachlor, bentazone in 1982 and bentazone plus propanil in 1983) and 2 water regimes (continuously and intermittently flooded). The experiment was laid out in a split plot design, replicated thrice. The variables in the green house experiment were 2 rice cultivars (Pusa 33, drought susceptible and Pusa 312, drought tolerant), 3 nitrogen levels (0,100 and 200 mg N kg soil-1) and 5 soil moisture regimes (submergence to saturation, 0-0.025 MPa, 0-0.05 MPa, 0-0.075 MPa 0-0.10 MPa soil moisture tension).
URI: http://hdl.handle.net/123456789/7737
Appears in Collections:PhD Thesis

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