Nutrient uptake and nitrogen use efficiency of rice genotypes under LCC- based N application during summer
 

DOI: 10.18805/ag.D-4839    | Article Id: D-4839 | Page : 59-62
Citation :- Nutrient uptake and nitrogen use efficiency of rice genotypes under LCC- based N application during summer.Agricultural Science Digest.2019.(39):59-62
Shrabani Moharana, J.M.L. Gulati, Saswat Pradhan shrabani.nitu@gmail.com
Address : Agronomy Research Farm, Department of Agronomy, Orrisa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India.
Submitted Date : 29-10-2018
Accepted Date : 6-03-2019

Abstract

A field experiment was undertaken at Research Farm, Department of Agronomy, OUAT Bhubaneswar to study the response of rice (Oryza sativa L.) varieties to LCC based nitrogen application under Real Time Nitrogen Management (RTNM) during summer 2015 in split plot design with three replications. Four varieties (V1- Lalat, V2- Naveen, V3- Hiranmayee and V4- Gobinda) were in main plot and sub plots were assigned with six N- management practices (N1- Control, N2- RDN@ 80 kg N ha-1 while in treatment N3 to N6, 20 kg N was applied in each split at LCC level 3 ( N3), LCC level 4( N4), LCC level 5(N5) and  LCC level 6 (N6). A uniform dose of phosphorous and potassium @ 40 kg ha-1 each along with well decomposed FYM @ 5t ha-1 were applied to all the plots as basal. Nitrogen uptake was maximum (88.59 kg ha-1) in variety Naveen, whereas, the variety Gobinda had maximum agronomic efficiency (24.12 kg kg-1), recovery efficiency (37.23 kg kg-1), physiological efficiency (53.33 kg kg-1) and partial factor productivity (44.58 kg kg-1).Application of RDF resulted in maximum uptake of nitrogen (94.20 kg ha-1) and registered the highest agronomic efficiency (32.86 kg kg-1), recovery efficiency (55.40 kg ka-1)and partial factor productivity (65.61 kg ka-1). The highest physiological efficiency of 63.93 kg ha-1 and minimum N loss of 29.35 kg ha-1 was recorded forLCC 4 (N4) threshold value.

Keywords

Nitrogen application Rice Nitrogen uptake.

References

  1. Bartholomew, W.V. (1972). Soil nitrogen supply; process and crop requirement. Technical Bulletin 6:68.
  2. Bhatt, N. T.A. (2014). Real time nitrogen management in rice genotypes (Oryza sativa L.) based on LCC. Ph.D Thesis submitted to Sher-e Kashmir University of Agriculture &Technology, Kashmir.
  3. Cassman, K.G., Peng, S.O.K., Ladha, D.C., Reichardt, J.K., Dobermann,W., Singh,A U. (1998). Opportunities for increased nitrogen-    use efficiency from improved resource management in irrigated rice systems, Field Crops Research, 56: 7–39.
  4. Chaiwanakupt ,P., Frency, J.R., Keerthisinghe, D.G.,Phongpan, S.and Blakely, R.L. (1996).Use of urease, algal inhibitors and nitrification inhibitors to reduce nitrogen loss and increase the grain yield of flooded rice. Biology,Fertilizer,Soils.22:89-95.doi:101007/    BF00384438.
  5. De Datta, S.K. (1986). Improving nitrogenous fertilizer efficiency in lowland rice in tropical Asia, Fertilizer Research, 9: 1-2, 171-186.
  6. Dobermann, A., Witt, C., Dawe, D., Gines, H.C., Nagarajan. R, Satawathananont, S., Son, T.T, et al. (2002). Site-specific nutrient management For intensive rice cropping systems in Asia, Field Crops Research, 74: 37–66.
  7. Fageria, N.K and Santos A.B.Dos. (2014). Lowland rice genotypes evaluation for nitrogen use efficiency. Journal of Plant Nutrition, 37:1410-1423.
  8. Hussain, F., Broson, K.F., Singh, Y., Singh, B. and Peng, S. (2000). Using chlorophyll meter sufficiency indices for N management of irrigated rice in Asia. Agronomy Journal,92: 875-879.
  9. Jackson, M.L. (1973). Soil Chemical Analysis. Prentice Hall India Pvt. Ltd. New Delhi, India. 46.
  10. Kumar, Sanjeev and Malarvizhi, P.(2014). Differential response of P utilization efficiency in rice by tracer technique using P-32 under phosphorus stress environment. Journal of Applied and Natural Science, 6: 362-365.
  11. Ortiz-Monasterio., Gunthe., M and Marteen, V.G. (2001). Nitrogen and Phosphorus use efficiency, Chapter 1 7. Research Gate, 200-207.
  12. Piper, C.S.(1966). Soil and Plant Analysis. Hans Publication, Bombay, India.
  13. Schnier, H.F., Dingkuhn, M., De Datta, S. K, Mengel, K and Faronilo, J. E. (1990), Nitrogen fertilization ondirect seeded flooded vs. transplanted rice: I. nitrogen uptake, photosynthesis, growth and yield. Alliance of Crop, Soil and Environment Science Societies Digital Library
  14. Sen, A., Srivastava, V.K., Singh, M.K., Singh, R.K, Kumar, S. (2011). Leaf colour chart vis-a-vis nitrogen management in different rice genotypes, American Journal of Plant Science, 2: 223-236.
  15. Singh, B., Singh, Y., Singh, V., Gupta, R.K. (2006). Using leaf color chart for need based nitrogen application to rice, Extension Bulletin, 9: 1-10.
  16. Witt, C., Pasuquin, J.M.C.A., Mutters, R., Buresh, R.J., (2005). New leaf color chart for effective nitrogen management in rice. Better Crops, 89, 36–39.

Global Footprints