scholarly journals Comparative Effect of Different Modes of Nitrogen Application on Mineral Nutrients in Grains of Rice (Oryza Sativa L.) Grown At Two Different Locations in Bareilly

2019 ◽  
Vol 06 (04) ◽  
pp. 18-20
Author(s):  
Vikas Jain
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Mineral Nutrients ◽  
Nitrogen Application ◽  
Comparative Effect

Impact of Seedling Age and Nitrogen Application on Submergence Tolerance of Sub1 and Non-Sub1 Cultivars of Rice (Oryza sativa L.)

2017 ◽  
Vol 36 (3) ◽  
pp. 629-642 ◽  
Author(s):  
Priyanka Gautam ◽  
B. Lal ◽  
R. Tripathi ◽  
M. J. Baig ◽  
M. Shahid ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Submergence Tolerance ◽  
Nitrogen Application ◽  
Seedling Age

scholarly journals NaCl and Na2SO4 Salinities Have Different Impact on Photosynthesis and Yield-Related Parameters in Rice (Oryza sativa L.)

Agronomy ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 864
Author(s):  
Willy Irakoze ◽  
Hermann Prodjinoto ◽  
Séverin Nijimbere ◽  
Gervais Rufyikiri ◽  
Stanley Lutts
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Net Photosynthesis ◽  
Maturity Stage ◽  
Comparative Effect ◽  
The Mean ◽  
Chloride Salinity ◽  
Nutrient Solutions ◽  
1000 Grain Weight ◽  
Intercellular Co2

To elucidate the comparative effect of chloride and sulfate salinities on photosynthesis and yield components in rice, plants of Oryza sativa (cv. I Kong Pao (salt-sensitive)) were exposed in nutrient solutions to 20 mM Na2SO4 or 40 mM NaCl (electrical conductivity of c.a. 4.30 dS m−1 for both solutions) from seedlings to maturity stage. Both types of salt induced a strong decrease in net photosynthesis (AN) at the seedling and tillering stages, while the intercellular CO2 concentrations (Ci) remained unaffected. Instantaneous transpiration (E) and stomatal conductance (gs) decreased at the tillering and seedling stages, respectively, only in plants exposed to NaCl. Chloride salinity also strongly decreased photosynthetic pigments, while no impact was detected in response to Na2SO4. All yield-related parameters were affected by salinities, but NaCl was significantly more deleterious than Na2SO4 for the mean number of tillers produced per plant, spikelets sterility and non-viable pollen percentage. In contrast, both types of salinity similarly impacted the percentage of fertile tillers and 1000-grain weight. At the grain level, more than 90% of toxic ions (Na+, excess of Cl− and S6+) accumulated in the hulls, thus preserving the internal part of the caryopses from toxic ion injuries.

Effect of LCC-based nitrogen application on growth and yieldof rice (Oryza sativa L.) varieties during dry season

2016 ◽  
Vol 51 (1) ◽  
Author(s):  
Shrabani Moharana ◽  
J.M. L. Gulati ◽  
S. N. Jena
Keyword(s):  
Oryza Sativa ◽  
Field Experiment ◽  
Grain Yield ◽  
Real Time ◽  
Oryza Sativa L ◽  
Threshold Value ◽  
Nitrogen Management ◽  
Nitrogen Application ◽  
Panicle Length ◽  
Straw Yield

Data from a field experiment on Real Time Nitrogen Management (RTNM) in rice revealed that variety Gobinda produced significantly the highest grain yield of 49.6 q ha-1 associated with long panicle (26.75 cm) bearing significantly the maximum number of filled grains panicle-1 (156.78) producing highest net return (Rs.33214.71), B-C ratio (1.83) and return per rupee invested (0.83). Application of nitrogen based on LCC threshold value 4 produced significantly the highest grain (52.6 q ha-1), straw yield (64.4 q ha-1), number of EBT m-2 (403.71), panicle length (25.43 cm) and 148.94 filled grain panicle-1. Variety x RTNM interaction was significant and variety Naveen and Gobinda produced significantly the highest yield of 55.4 and 58.2 q ha-1 at recommended of nitrogen whereas, Lalat and Hiranmayee responded to LCC threshold value 4 (N4) with grain yield of 50.4 and 52.1 q ha-1, respectively.

scholarly journals Late nitrogen application enhances spikelet number in indica hybrid rice (Oryza sativa L.)

2017 ◽  
Vol 74 (2) ◽  
pp. 127-133 ◽  
Author(s):  
Wei Zhou ◽  
Tengfei Lv ◽  
Yong Chen ◽  
Jianfeng Hu ◽  
Qiang Zhang ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Hybrid Rice ◽  
Oryza Sativa L ◽  
Nitrogen Application ◽  
Spikelet Number ◽  
Indica Hybrid Rice

scholarly journals Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates

Rice ◽  
2016 ◽  
Vol 9 (1) ◽  
Author(s):  
Wujun Zhang ◽  
Longmei Wu ◽  
Xiaoran Wu ◽  
Yanfeng Ding ◽  
Ganghua Li ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Oryza Sativa L ◽  
Japonica Rice ◽  
Nitrogen Application ◽  
Lodging Resistance ◽  
Application Rates
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