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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 7 (5) : September-October 2016 issue
Green Farming Vol. 7 (5) : 1116-1120 ; September-October, 2016
Nutrient uptake and available soil nutrients in transplanted rice as influenced by land preparation & planting geometry
R.B. NEGALUR1*, A.S. HALEPYATI2, B.G.M. REDDY3 and K. NARAYANARAO4
Agricultural Research Station, Gangavathi, University of Agricultural Sciences, Raichur - 583 227 (Karnataka)
Designation :  
1Sr. Agronomist *(tushberkipilli@rediffmail.com), 2Professor & Head, 3Principle Scientist, 4Professor & Head
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. : P-5454
Total Pages : 5
Received : 02 July 2016
Revised accepted : 22 September 2016
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Citation :

R.B. NEGALUR, A.S. HALEPYATI, B.G.M. REDDY and K. NARAYANARAO. 2016. Nutrient uptake and available soil nutrients in transplanted rice as influenced by land preparation & planting geometry. Green Farming Vol. 7 (5) : 1116-1120 ; September-October, 2016

ABSTRACT
Field experiment on effect of land preparation methods and planting geometry on growth and yield of machine transplanted rice (Oryza sativa L.) was conducted at Agricultural Research Station, Gangavathi, University of Agricultural Sciences, Raichur, Karnataka during kharif, 2012 and 2013 in clay soil under irrigated condition. Pooled mean indicated that, among the different land preparation methods and planting geometry puddling with rotovator fb levelling with spike tooth harrow and planting geometry of 30 x 21 cm recorded significantly higher uptake of nitrogen by grain (62.68 and 71.25 kg ha-1, respectively), by straw (43.81 and 50.73 kg ha-1, respectively) and total nitrogen uptake (106.49 and 121.16 kg ha-1 , respectively), uptake of phosphorous by grain ( 23.33 and 25.49 kg ha-1, respectively), by straw (13.09 and 14.09 kg ha-1, respectively) and total phosphorous uptake (36.42 and 39.58 kg ha-1, respectively), uptake of potassium by grain (19.87 and 22.03 kg ha-1 , respectively), by straw (55.03 and 59.46 kg ha-1, respectively) and total potassium uptake (74.90 and 81.49 kg ha-1, respectively). Whereas, significantly lower available soil nitrogen (233.7 and 225.8 kg ha-1, respectively), phosphorous (47.04 and 43.62 kg ha-1, respectively) and potassium (333.12 and 331.48 kg ha-1, respectively).
Key words :
Available nutrients, Land preparation methods, Machine transplanting, Manual planting, Nutrient uptake, Planting geometry.